Analysis
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max time kernel
134s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
26-06-2024 01:29
Static task
static1
Behavioral task
behavioral1
Sample
104249669c100b40e4284728da56a8df_JaffaCakes118.dll
Resource
win7-20240611-en
General
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Target
104249669c100b40e4284728da56a8df_JaffaCakes118.dll
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Size
166KB
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MD5
104249669c100b40e4284728da56a8df
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SHA1
9ffb3a8eb4b5a02e68611bbda478a8740fdeeaeb
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SHA256
9b297bbad3cc758a360030ed4896a90fbd552a038e36efe8e7cf706aeb383bb3
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SHA512
f974fbb6803dc25eb992e27a4d7e181358409e8f571f4e351ebfb4989a4471c1ac308524fc32e75ff191ab734c3763070631b61613d3a59d71d042999033d6da
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SSDEEP
1536:i5lTUKCYmCgV5bT/2d1QYePvaLj30b9KVv6q7pbhD3fdaAsU3wNBz0KB:sTU56gVxj27NePy330wN6qb3MAxwgKB
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 3976 regsvr32mgr.exe 3964 WaterMark.exe -
resource yara_rule behavioral2/memory/3976-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3976-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3964-30-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3964-28-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3964-25-0x0000000000400000-0x0000000000435000-memory.dmp upx behavioral2/memory/3976-24-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3976-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3976-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3976-7-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3976-6-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3964-37-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\regsvr32mgr.exe regsvr32.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe regsvr32mgr.exe File opened for modification C:\Program Files (x86)\Microsoft\px8973.tmp regsvr32mgr.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe regsvr32mgr.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1356 1800 WerFault.exe 90 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1877417101" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115112" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115112" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9B82553D-335B-11EF-B1BA-424A43B6706F} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\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-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1890229379" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426130376" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115112" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1877417101" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 3964 WaterMark.exe 3964 WaterMark.exe 3964 WaterMark.exe 3964 WaterMark.exe 3964 WaterMark.exe 3964 WaterMark.exe 3964 WaterMark.exe 3964 WaterMark.exe 3964 WaterMark.exe 3964 WaterMark.exe 3964 WaterMark.exe 3964 WaterMark.exe 3964 WaterMark.exe 3964 WaterMark.exe 3964 WaterMark.exe 3964 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3964 WaterMark.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3212 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3212 iexplore.exe 3212 iexplore.exe 4792 IEXPLORE.EXE 4792 IEXPLORE.EXE 4792 IEXPLORE.EXE 4792 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 3976 regsvr32mgr.exe 3964 WaterMark.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 4992 wrote to memory of 4472 4992 regsvr32.exe 87 PID 4992 wrote to memory of 4472 4992 regsvr32.exe 87 PID 4992 wrote to memory of 4472 4992 regsvr32.exe 87 PID 4472 wrote to memory of 3976 4472 regsvr32.exe 88 PID 4472 wrote to memory of 3976 4472 regsvr32.exe 88 PID 4472 wrote to memory of 3976 4472 regsvr32.exe 88 PID 3976 wrote to memory of 3964 3976 regsvr32mgr.exe 89 PID 3976 wrote to memory of 3964 3976 regsvr32mgr.exe 89 PID 3976 wrote to memory of 3964 3976 regsvr32mgr.exe 89 PID 3964 wrote to memory of 1800 3964 WaterMark.exe 90 PID 3964 wrote to memory of 1800 3964 WaterMark.exe 90 PID 3964 wrote to memory of 1800 3964 WaterMark.exe 90 PID 3964 wrote to memory of 1800 3964 WaterMark.exe 90 PID 3964 wrote to memory of 1800 3964 WaterMark.exe 90 PID 3964 wrote to memory of 1800 3964 WaterMark.exe 90 PID 3964 wrote to memory of 1800 3964 WaterMark.exe 90 PID 3964 wrote to memory of 1800 3964 WaterMark.exe 90 PID 3964 wrote to memory of 1800 3964 WaterMark.exe 90 PID 3964 wrote to memory of 3212 3964 WaterMark.exe 96 PID 3964 wrote to memory of 3212 3964 WaterMark.exe 96 PID 3964 wrote to memory of 4796 3964 WaterMark.exe 97 PID 3964 wrote to memory of 4796 3964 WaterMark.exe 97 PID 3212 wrote to memory of 4792 3212 iexplore.exe 98 PID 3212 wrote to memory of 4792 3212 iexplore.exe 98 PID 3212 wrote to memory of 4792 3212 iexplore.exe 98
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\104249669c100b40e4284728da56a8df_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\104249669c100b40e4284728da56a8df_JaffaCakes118.dll2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\SysWOW64\regsvr32mgr.exeC:\Windows\SysWOW64\regsvr32mgr.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3976 -
C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:1800
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 2046⤵
- Program crash
PID:1356
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3212 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3212 CREDAT:17410 /prefetch:26⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4792
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
PID:4796
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1800 -ip 18001⤵PID:3804
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
96KB
MD58c51fd9d6daa7b6137634de19a49452c
SHA1db2a11cca434bacad2bf42adeecae38e99cf64f8
SHA256528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3
SHA512b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837