Analysis
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max time kernel
106s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20250410-en -
resource tags
arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system -
submitted
13/04/2025, 16:14
Static task
static1
General
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Target
JaffaCakes118_b5220a30fad4185b6b4969e838c790cf.dll
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Size
157KB
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MD5
b5220a30fad4185b6b4969e838c790cf
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SHA1
ae2f370f929c3089e0d440b9fefcee6e2c555f3d
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SHA256
d84b4301a469dbd0f9d0851d1998e6e76ce1f871bbaf720f741951dfc5fafa21
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SHA512
843259e6d2be72ee6909ea7d76f403944741954f4110eec1b5a70f328753977079a796e87b1ea8f4b7a8e96dde4f1b64cd767e2bc3fe4819f448fe0d241fdfcd
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SSDEEP
3072:/n1Xz8Wch7IY4JHsVngTWghW29yqlO4qNnji9YdZ4t3DS2c:/d4UBqngTnWglGNjIYdytTSv
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 2260 rundll32mgr.exe 1188 WaterMark.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
resource yara_rule behavioral1/memory/2260-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/2260-18-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/1188-34-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/1188-32-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/2260-17-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/2260-15-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/2260-12-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/2260-11-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/2260-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/1188-41-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/1188-40-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/1188-42-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/1188-45-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/1188-47-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px71B5.tmp rundll32mgr.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe rundll32mgr.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe rundll32mgr.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 5380 5216 WerFault.exe 88 -
System Location Discovery: System Language Discovery 1 TTPs 5 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 IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32mgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WaterMark.exe -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{73C1F68B-1882-11F0-A5C7-7EAC2336B9D3} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "451325876" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{73C6BB36-1882-11F0-A5C7-7EAC2336B9D3} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\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 -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1188 WaterMark.exe 1188 WaterMark.exe 1188 WaterMark.exe 1188 WaterMark.exe 1188 WaterMark.exe 1188 WaterMark.exe 1188 WaterMark.exe 1188 WaterMark.exe 1188 WaterMark.exe 1188 WaterMark.exe 1188 WaterMark.exe 1188 WaterMark.exe 1188 WaterMark.exe 1188 WaterMark.exe 1188 WaterMark.exe 1188 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1188 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4408 iexplore.exe 4832 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4832 iexplore.exe 4408 iexplore.exe 4832 iexplore.exe 4408 iexplore.exe 5260 IEXPLORE.EXE 5260 IEXPLORE.EXE 4244 IEXPLORE.EXE 4244 IEXPLORE.EXE 5260 IEXPLORE.EXE 5260 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2260 rundll32mgr.exe 1188 WaterMark.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 3340 wrote to memory of 4516 3340 rundll32.exe 84 PID 3340 wrote to memory of 4516 3340 rundll32.exe 84 PID 3340 wrote to memory of 4516 3340 rundll32.exe 84 PID 4516 wrote to memory of 2260 4516 rundll32.exe 86 PID 4516 wrote to memory of 2260 4516 rundll32.exe 86 PID 4516 wrote to memory of 2260 4516 rundll32.exe 86 PID 2260 wrote to memory of 1188 2260 rundll32mgr.exe 87 PID 2260 wrote to memory of 1188 2260 rundll32mgr.exe 87 PID 2260 wrote to memory of 1188 2260 rundll32mgr.exe 87 PID 1188 wrote to memory of 5216 1188 WaterMark.exe 88 PID 1188 wrote to memory of 5216 1188 WaterMark.exe 88 PID 1188 wrote to memory of 5216 1188 WaterMark.exe 88 PID 1188 wrote to memory of 5216 1188 WaterMark.exe 88 PID 1188 wrote to memory of 5216 1188 WaterMark.exe 88 PID 1188 wrote to memory of 5216 1188 WaterMark.exe 88 PID 1188 wrote to memory of 5216 1188 WaterMark.exe 88 PID 1188 wrote to memory of 5216 1188 WaterMark.exe 88 PID 1188 wrote to memory of 5216 1188 WaterMark.exe 88 PID 1188 wrote to memory of 4832 1188 WaterMark.exe 101 PID 1188 wrote to memory of 4832 1188 WaterMark.exe 101 PID 1188 wrote to memory of 4408 1188 WaterMark.exe 102 PID 1188 wrote to memory of 4408 1188 WaterMark.exe 102 PID 4408 wrote to memory of 5260 4408 iexplore.exe 104 PID 4408 wrote to memory of 5260 4408 iexplore.exe 104 PID 4408 wrote to memory of 5260 4408 iexplore.exe 104 PID 4832 wrote to memory of 4244 4832 iexplore.exe 103 PID 4832 wrote to memory of 4244 4832 iexplore.exe 103 PID 4832 wrote to memory of 4244 4832 iexplore.exe 103
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5220a30fad4185b6b4969e838c790cf.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5220a30fad4185b6b4969e838c790cf.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4516 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.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:2260 -
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:1188 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:5216
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5216 -s 2046⤵
- Program crash
PID:5380
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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:4832 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4832 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4244
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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:4408 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4408 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:5260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5216 -ip 52161⤵PID:6000
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{73C1F68B-1882-11F0-A5C7-7EAC2336B9D3}.dat
Filesize5KB
MD516abb7dc89a030a0318a46b8a8642aae
SHA1a3404ebde7a568d6b60c7e31b49208f6dca729a9
SHA256a2842c647bf7533ef0a746a2fc74dead7f89fd2c8a05a232281b4743699f4d78
SHA5125e8c237412bfe1916c2d6f2c34644057b3fa03e0df29906719cba1e793ddeb1f7d99e4f469b08bef14924abcd4d6a8c7f1de5ce4d406f8ed449e9a634def852e
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{73C6BB36-1882-11F0-A5C7-7EAC2336B9D3}.dat
Filesize3KB
MD55b51fce681acadde23ef46af3ddeddfd
SHA1a93bd715a94f17959a20219e926774fdd9ea525d
SHA256d0c0e4266dfa6631b5e79b6008ae96eab4482c77500232647dfdb63fca0ffa4f
SHA51288c12141464928cd60d138cfd2d00b1e4b407f50082bf074e87a595850a1c80323865958898a71a9910a83196b06ec65401c79d990a0d5bb4b1a6eb67dca05b6
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
119KB
MD5bf6b75f2723ef04053f8b3127872f0e7
SHA1d0fd357b2b417fc68310868cd927906b616dd82b
SHA25602ed28770b771e0057294b618efec1c03c8e75c26a6d881966f56c67bc698bb0
SHA5122a8d41ad9fe50908d8b9b571db09271bd810651003bc8c27a7ffd0b6631bb07e9b9a7704c2f1469541b9fed0589f21ed42b618b2ff52ed6aba6cd9d80cda64a4