Analysis
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max time kernel
151s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
21/10/2023, 21:20
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
NEAS.5925502e181f03bed131f5731020de90.dll
Resource
win7-20231020-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
NEAS.5925502e181f03bed131f5731020de90.dll
Resource
win10v2004-20231020-en
windows10-2004-x64
4 signatures
150 seconds
General
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Target
NEAS.5925502e181f03bed131f5731020de90.dll
-
Size
620KB
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MD5
5925502e181f03bed131f5731020de90
-
SHA1
cfccd0af6004a6651d0623af5946e92e3d81e70d
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SHA256
cdb39ec31b2b9ce58fde0579d83a04bd3b4dd28656eb27ea53d47ad06477db50
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SHA512
438f7f55990c54b59461a927fcb30e309840db9772cec2e34928458d4055e587c0350282ef371c630bd9a6ec9d5979ddfdcf2f418d8b96b786352d158c3f0dd3
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SSDEEP
12288:MwKzQQ8TrVlqEXNh2R8iPw3wiz431vRbKSCFuZ+QWI1:T+o82iY3hz4lvRmuZ+Qt1
Score
7/10
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2752 40A8.tmp -
Loads dropped DLL 2 IoCs
pid Process 2324 rundll32.exe 2324 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\Browser\nppdf32.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\DESIGNER\MSADDNDR.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEEXCH.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACERCLR.DLL 40A8.tmp File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\GRPHFLT\JPEGIM32.FLT 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\EXPSRV.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Web Folders\MSOSV.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Updater.api 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.dll 40A8.tmp File created C:\Program Files (x86)\Adobe\Reader 9.0\Reader\atl.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\authplay.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Multimedia.api 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\GRPHFLT\EPSIMP32.FLT 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\RICHED20.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Setup.exe 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\FBIBLIO.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AGM.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\DW\DBGHELP.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Esl\AiodLite.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\PPKLite.api 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEES.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\PROOF\MSLID.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\MOFL.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\FREN\MSB1FREN.DLL 40A8.tmp File created C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeLinguistic.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\BIBUtils.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\Adobe AIR\Versions\1.0\Adobe AIR.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACECORE.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\IMCONTACT.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TextConv\WksConv\Wkconv.exe 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Annots.api 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Multimedia\MPP\WindowsMedia.mpp 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\GRPHFLT\GIFIMP32.FLT 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\FDATE.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEREP.DLL 40A8.tmp File created C:\Program Files (x86)\Adobe\Reader 9.0\Reader\logsession.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Spelling.api 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins3d\drvSOFT.x3d 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEOLEDB.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OfficeSoftwareProtectionPlatform\OSPPCEXT.DLL 40A8.tmp File created C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroPDF.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\EXP_PDF.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\SPPlugins\ADMPlugin.apl 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\Adobe AIR\Versions\1.0\NPSWF32.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Portal\PortalConnectCore.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VC\msdia90.dll 40A8.tmp File created C:\Program Files (x86)\Adobe\Reader 9.0\Reader\ahclient.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\DW\DWTRIG20.EXE 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\IETAG.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\FPERSON.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\FSTOCK.DLL 40A8.tmp File created C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AXE8SharedExpat.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\rt3d.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AMT\AUMProduct.aup 40A8.tmp File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Multimedia\MPP\Real.mpp 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\Adobe\Updater6\AdobeUpdaterInstallMgr.exe 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\LICLUA.EXE 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TextConv\WPFT532.CNV 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\ESEN\MSB1ESEN.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VC\msdia100.dll 40A8.tmp File created C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\MSO.DLL 40A8.tmp File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\VBA\VBA7\VBE7.DLL 40A8.tmp -
Program crash 1 IoCs
pid pid_target Process procid_target 2700 2324 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2336 wrote to memory of 2324 2336 rundll32.exe 28 PID 2336 wrote to memory of 2324 2336 rundll32.exe 28 PID 2336 wrote to memory of 2324 2336 rundll32.exe 28 PID 2336 wrote to memory of 2324 2336 rundll32.exe 28 PID 2336 wrote to memory of 2324 2336 rundll32.exe 28 PID 2336 wrote to memory of 2324 2336 rundll32.exe 28 PID 2336 wrote to memory of 2324 2336 rundll32.exe 28 PID 2324 wrote to memory of 2752 2324 rundll32.exe 29 PID 2324 wrote to memory of 2752 2324 rundll32.exe 29 PID 2324 wrote to memory of 2752 2324 rundll32.exe 29 PID 2324 wrote to memory of 2752 2324 rundll32.exe 29 PID 2324 wrote to memory of 2700 2324 rundll32.exe 30 PID 2324 wrote to memory of 2700 2324 rundll32.exe 30 PID 2324 wrote to memory of 2700 2324 rundll32.exe 30 PID 2324 wrote to memory of 2700 2324 rundll32.exe 30
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.5925502e181f03bed131f5731020de90.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.5925502e181f03bed131f5731020de90.dll,#12⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2324 -
C:\Users\Admin\AppData\Local\Temp\40A8.tmpC:\Users\Admin\AppData\Local\Temp\40A8.tmp3⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:2752
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 2363⤵
- Program crash
PID:2700
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-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
-
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