Analysis
- max time kernel
87s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
07/01/2024, 19:18
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
493afb5bcdc52cac3e0bac5dc8ad2807.exe
Resource
win7-20231215-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
493afb5bcdc52cac3e0bac5dc8ad2807.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 493afb5bcdc52cac3e0bac5dc8ad2807.exe
- Size 51KB
- Sample240107-x1a1tsccbp
- SHA256 2e74466422b62efd288d90d48feb26dca3dfe0fbe61405f1f7ecb4afe2554f55
- MD5 493afb5bcdc52cac3e0bac5dc8ad2807
- SHA1 31e2e5c08d2147b08d6ec85e0741ca03796bfa92
- SHA512 1d272005b165705829840b4c9aa19d9db972dbec422da6ff43c05f82196aa0d0ced999a2155fbf83286df2d540291d6132a4033a42827f07d3c4207c92c7701c
- SSDEEP 1536:jlmtQ8zG6NWh3MN8fBfEXAh9uK2dfc0AeQU+:jI1ZWIqBq6AriRj
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\WINDOWS\\system32\\userinit.exe,c:\\WINDOWS\\493afb5bcdc52cac3e0bac5dc8ad2807.exe" 493afb5bcdc52cac3e0bac5dc8ad2807.exe - Enumerates connected drives 3 TTPs 7 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\k: 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened (read-only) \??\l: 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened (read-only) \??\m: 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened (read-only) \??\e: 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened (read-only) \??\g: 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened (read-only) \??\h: 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened (read-only) \??\i: 493afb5bcdc52cac3e0bac5dc8ad2807.exe - Drops autorun.inf file 1 TTPs 16 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created \??\f:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File created \??\g:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File created \??\h:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened for modification \??\k:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened for modification \??\l:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened for modification \??\e:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened for modification \??\f:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened for modification \??\g:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File created \??\i:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened for modification \??\i:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File created \??\l:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File created \??\m:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened for modification \??\m:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File created \??\e:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File created \??\k:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened for modification \??\h:\Autorun.inf 493afb5bcdc52cac3e0bac5dc8ad2807.exe - Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification \??\c:\WINDOWS\concmd.dll 493afb5bcdc52cac3e0bac5dc8ad2807.exe File created \??\c:\WINDOWS\493afb5bcdc52cac3e0bac5dc8ad2807.exe 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened for modification \??\c:\WINDOWS\493afb5bcdc52cac3e0bac5dc8ad2807.exe 493afb5bcdc52cac3e0bac5dc8ad2807.exe File opened for modification \??\c:\WINDOWS\netcom.dll 493afb5bcdc52cac3e0bac5dc8ad2807.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50a5b66f9e41da01 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1945186411" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1945186411" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31080862" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31080862" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1850499402" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{993E50D2-AD91-11EE-BB4F-D2066D8F1295} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c4e92002c4a416439bca1d31c27b8405000000000200000000001066000000010000200000001af0eb897c3f77385b690d436dd4fe92698d0a37db702b31b8bd4769bbe7d4a8000000000e80000000020000200000006f71b9469d5c772cc92441913905ac3a6f0ad4374f7b6ab8d616b55c55e29c6e20000000069ad6bec689652ceed1f04e4772ee6c81f9830f6fad639b87ca4a51be0bc16d40000000147dec52677fdd1837efecc3703a3b9c3b484bd844ce31f4c8261c37013f3f0fc517d831686587fe4ef752376d771ae870584da60fef8dd2c1a3b434ce6aaf30 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c4e92002c4a416439bca1d31c27b8405000000000200000000001066000000010000200000008abdf06f88c58294182ff053b6803589b36264fd99ba28e1a2821b06fadcde10000000000e8000000002000020000000d1d8d2604a40a70e9970aeaf62dbba6340f8e3eee073497ded3fb25b79cb4c29200000009ed7ee95c025f7058de2de192407124b1590d6caa82db61967f6e1368f6610574000000025d0b042880b18e6ffcdef99d99e1267ae10ea72903ec7700670a062cfd0d1e23e8bcfaf1e15865535324840defc918723a9d62ae89ff4f927e40927d00d2d61 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31080862" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31080862" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "411420115" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1850499402" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a07b93719e41da01 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2636 IEXPLORE.EXE - Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2636 IEXPLORE.EXE 2636 IEXPLORE.EXE 4964 IEXPLORE.EXE 4964 IEXPLORE.EXE 4964 IEXPLORE.EXE 4964 IEXPLORE.EXE - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4596 wrote to memory of 2636 4596 493afb5bcdc52cac3e0bac5dc8ad2807.exe 87 PID 4596 wrote to memory of 2636 4596 493afb5bcdc52cac3e0bac5dc8ad2807.exe 87 PID 2636 wrote to memory of 4964 2636 IEXPLORE.EXE 88 PID 2636 wrote to memory of 4964 2636 IEXPLORE.EXE 88 PID 2636 wrote to memory of 4964 2636 IEXPLORE.EXE 88 - System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoDriveTypeAutoRun = 95000000 493afb5bcdc52cac3e0bac5dc8ad2807.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\493afb5bcdc52cac3e0bac5dc8ad2807.exe"C:\Users\Admin\AppData\Local\Temp\493afb5bcdc52cac3e0bac5dc8ad2807.exe"1⤵
- Modifies WinLogon for persistence
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4596 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://mimi.48du.com/power.asp?myid=32727263918022⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2636 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2636 CREDAT:17410 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4964
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-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verE34.tmp
- Size 15KB
- SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
- MD5 1a545d0052b581fbb2ab4c52133846bc
- SHA1 62f3266a9b9925cd6d98658b92adec673cbe3dd3
- SHA512 bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
- SSDEEP 384:79Jv9DF9/C9qc9/J9V791T9TK9Xf9Nm9xQ95a9BR9fV:79Jv9DF9/C9qc9/J9V791T9TK9Xf9NmT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GUTCV3OF\suggestions[1].en-US
- Size 17KB
- SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
- MD5 5a34cb996293fde2cb7a4ac89587393a
- SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
- SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
- SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
- MD5 SHA1 SHA512 SSDEEP