Analysis
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max time kernel
133s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
25-06-2024 22:30
Static task
static1
Behavioral task
behavioral1
Sample
0fc3d9b499cf712693034613d8072265_JaffaCakes118.dll
Resource
win7-20231129-en
General
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Target
0fc3d9b499cf712693034613d8072265_JaffaCakes118.dll
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Size
132KB
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MD5
0fc3d9b499cf712693034613d8072265
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SHA1
a068a50955e4cdd5758546ea1b0d421eca8e001f
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SHA256
d23999f3a408ce1055a388577fc92c5ac55f2b87061985327ec833f03b0cf66a
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SHA512
f10eeebfb1d1e150675d775c7c67786769f952260d6ec151df0e40d93bad0f68fa0988b87883ea6173281291a2fe205b84a8936a0bc3687c9cdd77f3cee7fdbc
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SSDEEP
3072:lo6nwLqrSa4I+VCUgVr9kYaQBqaFM2oVhyAn1+C:K6ungVrwwM2uf1/
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 4768 regsvr32mgr.exe 2968 WaterMark.exe -
resource yara_rule behavioral2/memory/4768-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4768-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4768-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4768-7-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4768-15-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4768-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2968-33-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2968-29-0x0000000000400000-0x0000000000435000-memory.dmp upx behavioral2/memory/4768-22-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2968-41-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2968-42-0x0000000000400000-0x0000000000421000-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\px4277.tmp regsvr32mgr.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe regsvr32mgr.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe regsvr32mgr.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 652 4472 WerFault.exe 86 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115087" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1651117031" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426119616" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1653304427" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\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-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1651117031" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115087" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115087" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8E0A081A-3342-11EF-8383-52C7543D668B} = "0" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 2968 WaterMark.exe 2968 WaterMark.exe 2968 WaterMark.exe 2968 WaterMark.exe 2968 WaterMark.exe 2968 WaterMark.exe 2968 WaterMark.exe 2968 WaterMark.exe 2968 WaterMark.exe 2968 WaterMark.exe 2968 WaterMark.exe 2968 WaterMark.exe 2968 WaterMark.exe 2968 WaterMark.exe 2968 WaterMark.exe 2968 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2968 WaterMark.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4372 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4372 iexplore.exe 4372 iexplore.exe 3644 IEXPLORE.EXE 3644 IEXPLORE.EXE 3644 IEXPLORE.EXE 3644 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 4768 regsvr32mgr.exe 2968 WaterMark.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 1208 wrote to memory of 1808 1208 regsvr32.exe 83 PID 1208 wrote to memory of 1808 1208 regsvr32.exe 83 PID 1208 wrote to memory of 1808 1208 regsvr32.exe 83 PID 1808 wrote to memory of 4768 1808 regsvr32.exe 84 PID 1808 wrote to memory of 4768 1808 regsvr32.exe 84 PID 1808 wrote to memory of 4768 1808 regsvr32.exe 84 PID 4768 wrote to memory of 2968 4768 regsvr32mgr.exe 85 PID 4768 wrote to memory of 2968 4768 regsvr32mgr.exe 85 PID 4768 wrote to memory of 2968 4768 regsvr32mgr.exe 85 PID 2968 wrote to memory of 4472 2968 WaterMark.exe 86 PID 2968 wrote to memory of 4472 2968 WaterMark.exe 86 PID 2968 wrote to memory of 4472 2968 WaterMark.exe 86 PID 2968 wrote to memory of 4472 2968 WaterMark.exe 86 PID 2968 wrote to memory of 4472 2968 WaterMark.exe 86 PID 2968 wrote to memory of 4472 2968 WaterMark.exe 86 PID 2968 wrote to memory of 4472 2968 WaterMark.exe 86 PID 2968 wrote to memory of 4472 2968 WaterMark.exe 86 PID 2968 wrote to memory of 4472 2968 WaterMark.exe 86 PID 2968 wrote to memory of 4372 2968 WaterMark.exe 95 PID 2968 wrote to memory of 4372 2968 WaterMark.exe 95 PID 2968 wrote to memory of 32 2968 WaterMark.exe 96 PID 2968 wrote to memory of 32 2968 WaterMark.exe 96 PID 4372 wrote to memory of 3644 4372 iexplore.exe 97 PID 4372 wrote to memory of 3644 4372 iexplore.exe 97 PID 4372 wrote to memory of 3644 4372 iexplore.exe 97
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\0fc3d9b499cf712693034613d8072265_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1208 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\0fc3d9b499cf712693034613d8072265_JaffaCakes118.dll2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1808 -
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:4768 -
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:2968 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:4472
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4472 -s 2046⤵
- Program crash
PID:652
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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:4372 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4372 CREDAT:17410 /prefetch:26⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3644
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
PID:32
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4472 -ip 44721⤵PID:1956
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