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Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25/08/2024, 21:45
Static task
static1
Behavioral task
behavioral1
Sample
c1a74a2919175c26b1ecd5006df8e0c2_JaffaCakes118.dll
Resource
win7-20240704-en
General
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Target
c1a74a2919175c26b1ecd5006df8e0c2_JaffaCakes118.dll
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Size
166KB
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MD5
c1a74a2919175c26b1ecd5006df8e0c2
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SHA1
306c8553e9fee8fc9787bfecf12b561a0f2074b7
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SHA256
8b0d6914fc983b82277a091fa9e306842fd85c48c514e8222a4c0f85ae9e55b6
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SHA512
ce9b225b59385c38b09147265f5c1b1e8e01a78ea11fe03b88628f3ae1800d9ebf4e0b72b0e156549fc7a13a176294f635f2220edb7ecc2e5b248d915787738b
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SSDEEP
3072:PTU56gVxj27Ne4L99ZgyXf9MWebpjMGlDCdrn:A4L7vBsGdn
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 3216 regsvr32mgr.exe 1620 WaterMark.exe -
resource yara_rule behavioral2/memory/3216-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3216-15-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3216-18-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3216-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3216-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3216-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3216-7-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1620-28-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1620-32-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1620-31-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1620-38-0x0000000000400000-0x0000000000435000-memory.dmp upx behavioral2/memory/1620-39-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1620-41-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1620-43-0x0000000000400000-0x0000000000421000-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\px7A70.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 2112 1828 WerFault.exe 87 -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32mgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WaterMark.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "431387323" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "950618744" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{641E5C46-632B-11EF-8D5B-CA89CBF88D4A} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "947649576" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31127352" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "947649576" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31127352" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31127352" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1620 WaterMark.exe 1620 WaterMark.exe 1620 WaterMark.exe 1620 WaterMark.exe 1620 WaterMark.exe 1620 WaterMark.exe 1620 WaterMark.exe 1620 WaterMark.exe 1620 WaterMark.exe 1620 WaterMark.exe 1620 WaterMark.exe 1620 WaterMark.exe 1620 WaterMark.exe 1620 WaterMark.exe 1620 WaterMark.exe 1620 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1620 WaterMark.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3560 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3560 iexplore.exe 3560 iexplore.exe 2488 IEXPLORE.EXE 2488 IEXPLORE.EXE 2488 IEXPLORE.EXE 2488 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 3216 regsvr32mgr.exe 1620 WaterMark.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 2044 wrote to memory of 4484 2044 regsvr32.exe 84 PID 2044 wrote to memory of 4484 2044 regsvr32.exe 84 PID 2044 wrote to memory of 4484 2044 regsvr32.exe 84 PID 4484 wrote to memory of 3216 4484 regsvr32.exe 85 PID 4484 wrote to memory of 3216 4484 regsvr32.exe 85 PID 4484 wrote to memory of 3216 4484 regsvr32.exe 85 PID 3216 wrote to memory of 1620 3216 regsvr32mgr.exe 86 PID 3216 wrote to memory of 1620 3216 regsvr32mgr.exe 86 PID 3216 wrote to memory of 1620 3216 regsvr32mgr.exe 86 PID 1620 wrote to memory of 1828 1620 WaterMark.exe 87 PID 1620 wrote to memory of 1828 1620 WaterMark.exe 87 PID 1620 wrote to memory of 1828 1620 WaterMark.exe 87 PID 1620 wrote to memory of 1828 1620 WaterMark.exe 87 PID 1620 wrote to memory of 1828 1620 WaterMark.exe 87 PID 1620 wrote to memory of 1828 1620 WaterMark.exe 87 PID 1620 wrote to memory of 1828 1620 WaterMark.exe 87 PID 1620 wrote to memory of 1828 1620 WaterMark.exe 87 PID 1620 wrote to memory of 1828 1620 WaterMark.exe 87 PID 1620 wrote to memory of 3560 1620 WaterMark.exe 95 PID 1620 wrote to memory of 3560 1620 WaterMark.exe 95 PID 1620 wrote to memory of 3204 1620 WaterMark.exe 96 PID 1620 wrote to memory of 3204 1620 WaterMark.exe 96 PID 3560 wrote to memory of 2488 3560 iexplore.exe 97 PID 3560 wrote to memory of 2488 3560 iexplore.exe 97 PID 3560 wrote to memory of 2488 3560 iexplore.exe 97
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\c1a74a2919175c26b1ecd5006df8e0c2_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\c1a74a2919175c26b1ecd5006df8e0c2_JaffaCakes118.dll2⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4484 -
C:\Windows\SysWOW64\regsvr32mgr.exeC:\Windows\SysWOW64\regsvr32mgr.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3216 -
C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:1828
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 2046⤵
- Program crash
PID:2112
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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:3560 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3560 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2488
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
PID:3204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1828 -ip 18281⤵PID:1960
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