Analysis
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max time kernel
92s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
05/07/2024, 23:50
Static task
static1
Behavioral task
behavioral1
Sample
27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe
Resource
win10v2004-20240704-en
General
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Target
27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe
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Size
42KB
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MD5
27368a062dfb5115722356e9c178f40c
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SHA1
7abfd2b0ef2ec15197d0c2bd466bcc8bdd07ac94
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SHA256
4d368f0772bcb89e211c92c70d29f3540afbefb0cb7567b69bde99d190f67a10
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SHA512
26b287117a2852be39936552ef540704530451455e2ed097e1a752fd0d6e16243645ed19c2ad209a2ac5f182cec6777ac28f2e2ee935e3d2a437bd02e9541680
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SSDEEP
768:kjGwQhoBl3KGryrtHR+SafO68PjCf7QM+NKgwjkwkwhT:kjG4KUgxbqe6QJwjksZ
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\Control Panel\International\Geo\Nation cmd.exe -
Loads dropped DLL 1 IoCs
pid Process 2428 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSSMSGS = "rundll32.exe winlkj32.rom,SaKRun" 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\winlkj32.rom 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\winlkj32.rom 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\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-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31117110" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31117110" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426988428" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1055169235" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1055169235" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31117110" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1058452916" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6A78AE7E-3B29-11EF-A0CA-5A1F3CBF1B84} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3012 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3012 iexplore.exe 3012 iexplore.exe 4728 IEXPLORE.EXE 4728 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2428 wrote to memory of 4556 2428 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe 85 PID 2428 wrote to memory of 4556 2428 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe 85 PID 2428 wrote to memory of 4556 2428 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe 85 PID 4556 wrote to memory of 3012 4556 cmd.exe 87 PID 4556 wrote to memory of 3012 4556 cmd.exe 87 PID 3012 wrote to memory of 4728 3012 iexplore.exe 89 PID 3012 wrote to memory of 4728 3012 iexplore.exe 89 PID 3012 wrote to memory of 4728 3012 iexplore.exe 89 PID 2428 wrote to memory of 3012 2428 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe 87 PID 2428 wrote to memory of 3012 2428 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe 87 PID 2428 wrote to memory of 3012 2428 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe 87 PID 2428 wrote to memory of 3012 2428 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe 87 PID 2428 wrote to memory of 1624 2428 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe 90 PID 2428 wrote to memory of 1624 2428 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe 90 PID 2428 wrote to memory of 1624 2428 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe 90 PID 2428 wrote to memory of 1424 2428 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe 91 PID 2428 wrote to memory of 1424 2428 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe 91 PID 2428 wrote to memory of 1424 2428 27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\27368a062dfb5115722356e9c178f40c_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Windows\SysWOW64\cmd.execmd /c start iexplore -embedding2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4556 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -embedding3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3012 CREDAT:17410 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4728
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\gos8F01.bat"2⤵PID:1624
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\27368a062dfb5115722356e9c178f40c_JaffaCakes118.bat"2⤵PID:1424
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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
305B
MD5020e8ad5bd43b59661f41ab99a3ed5f2
SHA1601fdd2d5ae8305a88f6372277ebc3fd6e036c54
SHA256d44e84ac565adc63409994e48244d75f391a6bbf8aeef9792134aecc3f03a18a
SHA512ea8c3a97fb43de89b5f1bba29a8c8ea4d902be99a6a3c3ab052e21b2e9c9459f1f27c2da19d7d632bdd9cee8709cae9f2cd1d2a7166edfc0d6e1e699882786e9
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Filesize
188B
MD533469305086ff4101626d05cd18e1b78
SHA17801520b290bd086e5557162297cd5886c683743
SHA256367624962f6bcea2a900ddfaa3e89562efec89c8ba2b6633758590b50bc6dbdd
SHA512b490e53af510d9772e837b23ff935ebc708cc43d25c706e4159b47a62d719f16f98af3910f423fcb58b43b37d4e6f01b7380089febbb8fe843ef29281bbd56a4
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Filesize
31KB
MD52ba0013117ca8ec104c937ae2b7e8c26
SHA133a4858f7bb1b40e15f65fd4e385ad9e732d999c
SHA2566b865694f1886052641f35155b03ba6757ba63b420731133e2013a527d7e00f8
SHA512c26adf09d4ef5705b4a9d1d8f4e18f4abbac83a2d5667cf4ab9f5ba43b903d5bfa074f732e45f0d8d811385e86180c274d9a36450f71907e05f58d4e2ecf05d0