Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
03-11-2023 03:12
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
NEAS.5e72d33b80162ebe4bfd3ec4d75a4dc0_JC.dll
Resource
win7-20231023-en
windows7-x64
6 signatures
150 seconds
General
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Target
NEAS.5e72d33b80162ebe4bfd3ec4d75a4dc0_JC.dll
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Size
386KB
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MD5
5e72d33b80162ebe4bfd3ec4d75a4dc0
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SHA1
d95089e565aa5207fffa5f87e64ee1dc7daca2ee
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SHA256
20ea7a8f922be18d0d17a70046a0412d5b209d37cafa612c485cb6659a9195e4
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SHA512
49e8f2234815c0f6a1b413e4188312549b07384b17d08ec36fd388a4263b6f92906c9650bc8f16c2aae4849c80892919913d85cec0c8bfbc581f86ea1d3225f0
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SSDEEP
12288:7oK3bnT8CzwAxafWXTstYrly4uhZtLPuNcxQXH:8K3bnTieXTsNuNx
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1752 3BF7.tmp -
Loads dropped DLL 2 IoCs
pid Process 2252 rundll32.exe 2252 rundll32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PTXT9.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SEQCHK10.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PROOF\MSTH7ES.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\ODeploy.exe 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\IPEDITOR.DLL 3BF7.tmp File created C:\Program Files (x86)\Adobe\Reader 9.0\Reader\ahclient.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins3d\drvSOFT.x3d 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\Adobe\Updater6\AdobeUpdaterInstallMgr.exe 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\Adobe AIR\Versions\1.0\WebKit.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\EMSMDB32.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeXMP.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OFFOWC.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONBttnWD.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OLMAPI32.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OWSSUPP.DLL 3BF7.tmp File created C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AXE8SharedExpat.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEODBC.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Csi.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\VBAJET32.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTO\10.0\VSTOLoader.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\DBGHELP.DLL 3BF7.tmp File created C:\Program Files (x86)\Adobe\Reader 9.0\Reader\JP2KLib.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Spelling.api 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\MSOXMLMF.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\MSB1XTOR.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Analysis Services\AS OLEDB\10\msolap100.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BCSAutogen.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSTORES.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Updater.api 3BF7.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Multimedia\MPP\MCIMPP.mpp 3BF7.tmp File created C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroPDF.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\GRPHFLT\JPEGIM32.FLT 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACERCLR.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\AUTHZAX.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OISGRAPH.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\IA32.api 3BF7.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Multimedia.api 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\FBIBLIO.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ACCDDSF.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\XPAGE3C.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VSTO\10.0\VSTOMessageProvider.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSAEXP30.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OART.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONWordAddin.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PROOF\MSHY7EN.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\ReadOutLoud.api 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\EXP_PDF.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\FDATE.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\FREN\MSB1FREN.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\oisctrl.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CONVERT\RM.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\EQUATION\EQNEDT32.EXE 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\FSTOCK.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\STSCOPY.DLL 3BF7.tmp File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\RICHED20.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CONVERT\OLTASK.FAE 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\WTSP61MS.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\xmlrw.dll 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOCFUIUTILITIESDLL.DLL 3BF7.tmp File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Library\SOLVER\SOLVER32.DLL 3BF7.tmp -
Program crash 1 IoCs
pid pid_target Process procid_target 2696 2252 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2472 wrote to memory of 2252 2472 rundll32.exe 28 PID 2472 wrote to memory of 2252 2472 rundll32.exe 28 PID 2472 wrote to memory of 2252 2472 rundll32.exe 28 PID 2472 wrote to memory of 2252 2472 rundll32.exe 28 PID 2472 wrote to memory of 2252 2472 rundll32.exe 28 PID 2472 wrote to memory of 2252 2472 rundll32.exe 28 PID 2472 wrote to memory of 2252 2472 rundll32.exe 28 PID 2252 wrote to memory of 1752 2252 rundll32.exe 29 PID 2252 wrote to memory of 1752 2252 rundll32.exe 29 PID 2252 wrote to memory of 1752 2252 rundll32.exe 29 PID 2252 wrote to memory of 1752 2252 rundll32.exe 29 PID 2252 wrote to memory of 2696 2252 rundll32.exe 30 PID 2252 wrote to memory of 2696 2252 rundll32.exe 30 PID 2252 wrote to memory of 2696 2252 rundll32.exe 30 PID 2252 wrote to memory of 2696 2252 rundll32.exe 30
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.5e72d33b80162ebe4bfd3ec4d75a4dc0_JC.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.5e72d33b80162ebe4bfd3ec4d75a4dc0_JC.dll,#12⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Users\Admin\AppData\Local\Temp\3BF7.tmpC:\Users\Admin\AppData\Local\Temp\3BF7.tmp3⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:1752
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 2363⤵
- Program crash
PID:2696
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
145KB
MD5c610e7ccd6859872c585b2a85d7dc992
SHA1362b3d4b72e3add687c209c79b500b7c6a246d46
SHA25614063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041
SHA5128570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666
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Filesize
145KB
MD5c610e7ccd6859872c585b2a85d7dc992
SHA1362b3d4b72e3add687c209c79b500b7c6a246d46
SHA25614063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041
SHA5128570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666
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Filesize
145KB
MD5c610e7ccd6859872c585b2a85d7dc992
SHA1362b3d4b72e3add687c209c79b500b7c6a246d46
SHA25614063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041
SHA5128570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666
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Filesize
145KB
MD5c610e7ccd6859872c585b2a85d7dc992
SHA1362b3d4b72e3add687c209c79b500b7c6a246d46
SHA25614063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041
SHA5128570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666
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Filesize
145KB
MD5c610e7ccd6859872c585b2a85d7dc992
SHA1362b3d4b72e3add687c209c79b500b7c6a246d46
SHA25614063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041
SHA5128570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666