8f24e02e8f1006b8f6b44a3e63a45410b7befbdacb72d2629d36d23897be60b1

Analysis

max time kernel
166s
max time network
150s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 03:58

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General

Target

8f24e02e8f1006b8f6b44a3e63a45410b7befbdacb72d2629d36d23897be60b1.dll
Size

2.6MB
MD5

58d5394b1fefd99e781395a1cc869ba2
SHA1

839d2f842097eadb0755291c820e73d2eb7f5087
SHA256

8f24e02e8f1006b8f6b44a3e63a45410b7befbdacb72d2629d36d23897be60b1
SHA512

d06f85bb79cb927ff282e36555a1980edacbfeb5404345be9dde49cd38620621fb2977835d00683ddaa0c346d6c3eed6eedb34b4d758656b348ba3af428c507b
SSDEEP

49152:gySu9YDr+FzS5NJ6AbeYcNbVdr90jSjhTSGIo8Y70tc67q0O1NnmCJtBNKOrAnlh:gySF5CAbeNHV90m2tcM+bmEHzcn

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2768	EC23.tmp

Loads dropped DLL 2 IoCs

pid	Process
2140	rundll32.exe
2140	rundll32.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins3d\drvDX9.x3d	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\RICHED20.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OfficeSoftwareProtectionPlatform\OSPPCEXT.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Microsoft Analysis Services\AS OLEDB\10\msolui100.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Search5.api	EC23.tmp
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins3d\drvDX8.x3d	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\LICLUA.EXE	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\MSB1XTOR.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\System\Ole DB\xmlrw.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCDDSF.DLL	EC23.tmp
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AXSLE.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEXBE.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Setup.exe	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\FPLACE.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\VSTO\10.0\VSTOMessageProvider.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\DW\DWTRIG20.EXE	EC23.tmp
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Multimedia.api	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Csi.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\Source Engine\OSE.EXE	EC23.tmp
File opened for modification	C:\Program Files (x86)\Microsoft Analysis Services\AS OLEDB\10\msmgdsrv.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AGM.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\Adobe AIR\Versions\1.0\NPSWF32.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\DESIGNER\MSADDNDR.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\MSB1STAR.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\goopdate.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\Updater6\Adobe_Updater.exe	EC23.tmp
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Multimedia\MPP\Real.mpp	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\Updater6\AdobeUpdaterInstallMgr.exe	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEEXCL.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\EXPSRV.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\FDATE.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\ESEN\MSB1ESEN.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ContactPicker.dll	EC23.tmp
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	EC23.tmp
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\weblink.api	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\Adobe AIR\Versions\1.0\Adobe AIR.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\GRPHFLT\PNG32.FLT	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\OSETUP.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\VC\msdia90.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSAutogen.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Browser\nppdf32.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeXMP.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\BIB.dll	EC23.tmp
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\cryptocme2.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	EC23.tmp
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\sqlite.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\IMCONTACT.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\TextConv\MSCONV97.DLL	EC23.tmp
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	EC23.tmp
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EMABLT32.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\VBA\VBA7\VBE7.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\TextConv\WksConv\Wkconv.exe	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\FREN\MSB1FREN.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Acrofx32.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins3d\drvSOFT.x3d	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\EQUATION\EQNEDT32.EXE	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEODBC.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\MOFL.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\WTSP61MS.DLL	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\VSTO\10.0\VSTOLoader.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\System\Ole DB\xmlrwbin.dll	EC23.tmp
File opened for modification	C:\Program Files\7-Zip\7z.sfx	EC23.tmp
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSStr32.dll	EC23.tmp
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACETXT.DLL	EC23.tmp

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 2140	1584	rundll32.exe	29
PID 1584 wrote to memory of 2140	1584	rundll32.exe	29
PID 1584 wrote to memory of 2140	1584	rundll32.exe	29
PID 1584 wrote to memory of 2140	1584	rundll32.exe	29
PID 1584 wrote to memory of 2140	1584	rundll32.exe	29
PID 1584 wrote to memory of 2140	1584	rundll32.exe	29
PID 1584 wrote to memory of 2140	1584	rundll32.exe	29
PID 2140 wrote to memory of 2768	2140	rundll32.exe	30
PID 2140 wrote to memory of 2768	2140	rundll32.exe	30
PID 2140 wrote to memory of 2768	2140	rundll32.exe	30
PID 2140 wrote to memory of 2768	2140	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f24e02e8f1006b8f6b44a3e63a45410b7befbdacb72d2629d36d23897be60b1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1584
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f24e02e8f1006b8f6b44a3e63a45410b7befbdacb72d2629d36d23897be60b1.dll,#1
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Users\Admin\AppData\Local\Temp\EC23.tmp
    C:\Users\Admin\AppData\Local\Temp\EC23.tmp
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    PID:2768

Network

MITRE ATT&CK Matrix

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Downloads

C:\Users\Admin\AppData\Local\Temp\EC23.tmp

Filesize
145KB

MD5
c610e7ccd6859872c585b2a85d7dc992

SHA1
362b3d4b72e3add687c209c79b500b7c6a246d46

SHA256
14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

SHA512
8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

Download Submit
C:\Users\Admin\AppData\Local\Temp\EC23.tmp

Filesize
145KB

MD5
c610e7ccd6859872c585b2a85d7dc992

SHA1
362b3d4b72e3add687c209c79b500b7c6a246d46

SHA256
14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

SHA512
8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

Download Submit
C:\Users\Admin\AppData\Local\Temp\EC23.tmp

Filesize
145KB

MD5
c610e7ccd6859872c585b2a85d7dc992

SHA1
362b3d4b72e3add687c209c79b500b7c6a246d46

SHA256
14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

SHA512
8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

Download Submit
\Users\Admin\AppData\Local\Temp\EC23.tmp

Filesize
145KB

MD5
c610e7ccd6859872c585b2a85d7dc992

SHA1
362b3d4b72e3add687c209c79b500b7c6a246d46

SHA256
14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

SHA512
8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

Download Submit
\Users\Admin\AppData\Local\Temp\EC23.tmp

Filesize
145KB

MD5
c610e7ccd6859872c585b2a85d7dc992

SHA1
362b3d4b72e3add687c209c79b500b7c6a246d46

SHA256
14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

SHA512
8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

Download Submit
memory/2140-0-0x00000000008A0000-0x000000000096A000-memory.dmp

Filesize
808KB

Download
memory/2140-1-0x00000000008A0000-0x000000000096A000-memory.dmp

Filesize
808KB

Download
memory/2140-3-0x0000000018000000-0x00000000182AD000-memory.dmp

Filesize
2.7MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads