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Analysis
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max time kernel
147s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
13/03/2024, 18:33
Behavioral task
behavioral1
Sample
c695eb6b2b0f242da95bd631796b34ec.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c695eb6b2b0f242da95bd631796b34ec.exe
Resource
win10v2004-20240226-en
General
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Target
c695eb6b2b0f242da95bd631796b34ec.exe
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Size
75KB
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MD5
c695eb6b2b0f242da95bd631796b34ec
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SHA1
7ae7ddb534ea74cd94cfd7edb727208dece9b734
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SHA256
68e7177ff545694660bde9569b892e349d6eacf623ad6dd9ee7cc50794de6142
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SHA512
547d86547dfe02236dcf79ed2ed1349edcf6d95fd3c6ab6a1c92ade248b026efcfb20dd728d0978ddcee7112de1b97f4b11e3a151cfacd6699ac176f3d5cf17f
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SSDEEP
1536:16fADFRYayDo7HxFejJRNaINHYARtDT/8uCEdztVa4k:BF6ayc7PejJbao4An//dCEdG
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\b261c9e37e.dll c695eb6b2b0f242da95bd631796b34ec.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31094133" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31094133" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "348556604" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{3FE105BB-E168-11EE-BC63-D2E65CF77D40} = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "341524434" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "341524434" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31094133" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "417119812" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 416 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 416 IEXPLORE.EXE 416 IEXPLORE.EXE 4764 IEXPLORE.EXE 4764 IEXPLORE.EXE 4764 IEXPLORE.EXE 4764 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2712 wrote to memory of 416 2712 c695eb6b2b0f242da95bd631796b34ec.exe 102 PID 2712 wrote to memory of 416 2712 c695eb6b2b0f242da95bd631796b34ec.exe 102 PID 2712 wrote to memory of 416 2712 c695eb6b2b0f242da95bd631796b34ec.exe 102 PID 2712 wrote to memory of 236 2712 c695eb6b2b0f242da95bd631796b34ec.exe 103 PID 2712 wrote to memory of 236 2712 c695eb6b2b0f242da95bd631796b34ec.exe 103 PID 2712 wrote to memory of 236 2712 c695eb6b2b0f242da95bd631796b34ec.exe 103 PID 416 wrote to memory of 4764 416 IEXPLORE.EXE 105 PID 416 wrote to memory of 4764 416 IEXPLORE.EXE 105 PID 416 wrote to memory of 4764 416 IEXPLORE.EXE 105
Processes
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C:\Users\Admin\AppData\Local\Temp\c695eb6b2b0f242da95bd631796b34ec.exe"C:\Users\Admin\AppData\Local\Temp\c695eb6b2b0f242da95bd631796b34ec.exe"1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:416 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:416 CREDAT:17410 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4764
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$30689.bat2⤵PID:236
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
181B
MD514f9cab4b3456c3c1a418d71c69c9cd3
SHA1833f5af84fbcfb36b08027389c50847039e98e45
SHA256b77c5531fe1025805d6fe140f51182b7f182d0db0dcd660e5f84f41c00378c5b
SHA5128032ed0edf36cdc320abca0765f229af9129c07d3d07dd679f1da88334064404b1e4288e228846446ea686502302619b62f2cb62db72a12097f36d1151db9d72