Analysis
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max time kernel
93s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
28-01-2025 23:44
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_507e0345352a44025f02624aa377a816.dll
Resource
win7-20241010-en
General
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Target
JaffaCakes118_507e0345352a44025f02624aa377a816.dll
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Size
284KB
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MD5
507e0345352a44025f02624aa377a816
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SHA1
be7487e48c8da3e1aba65ae7a0816e3594ba3c12
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SHA256
7ce29d90f6e47e95fed0c40fce635ebdb1b1a53ed690477f4b1749b723333e2e
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SHA512
fcdd631e95e68adebf20e84e854e9cdb4be56e1704b949b0347006368806f0585891146f4c95e1a9d6d219eb3b67f52fed58b90dcc9b5697e113c159fe67ac2e
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SSDEEP
3072:W0NbrbkYHUyP9eECVWfpIhbWoVnW6IioARoKO7JurqeBTg4vRP86TvOB5n+902bT:trkYHjIWeWcd71byneDf0aZqez6ix
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 2508 rundll32mgr.exe 1504 WaterMark.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
resource yara_rule behavioral2/memory/2508-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2508-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1504-31-0x0000000000400000-0x0000000000428000-memory.dmp upx behavioral2/memory/1504-29-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1504-28-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2508-17-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2508-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2508-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2508-7-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2508-6-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1504-40-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1504-41-0x0000000000400000-0x0000000000428000-memory.dmp upx behavioral2/memory/1504-42-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\pxCB9D.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 2 IoCs
pid pid_target Process procid_target 4924 1720 WerFault.exe 81 4380 4956 WerFault.exe 87 -
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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32mgr.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 Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\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 Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9776E15D-DE5D-11EF-8277-E65C00D8F0F4} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444932878" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{977942C9-DE5D-11EF-8277-E65C00D8F0F4} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1504 WaterMark.exe 1504 WaterMark.exe 1504 WaterMark.exe 1504 WaterMark.exe 1504 WaterMark.exe 1504 WaterMark.exe 1504 WaterMark.exe 1504 WaterMark.exe 1504 WaterMark.exe 1504 WaterMark.exe 1504 WaterMark.exe 1504 WaterMark.exe 1504 WaterMark.exe 1504 WaterMark.exe 1504 WaterMark.exe 1504 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1504 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1756 iexplore.exe 4720 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4720 iexplore.exe 4720 iexplore.exe 1756 iexplore.exe 1756 iexplore.exe 2580 IEXPLORE.EXE 2580 IEXPLORE.EXE 2868 IEXPLORE.EXE 2868 IEXPLORE.EXE 2580 IEXPLORE.EXE 2580 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2508 rundll32mgr.exe 1504 WaterMark.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2616 wrote to memory of 1720 2616 rundll32.exe 81 PID 2616 wrote to memory of 1720 2616 rundll32.exe 81 PID 2616 wrote to memory of 1720 2616 rundll32.exe 81 PID 1720 wrote to memory of 2508 1720 rundll32.exe 84 PID 1720 wrote to memory of 2508 1720 rundll32.exe 84 PID 1720 wrote to memory of 2508 1720 rundll32.exe 84 PID 2508 wrote to memory of 1504 2508 rundll32mgr.exe 86 PID 2508 wrote to memory of 1504 2508 rundll32mgr.exe 86 PID 2508 wrote to memory of 1504 2508 rundll32mgr.exe 86 PID 1504 wrote to memory of 4956 1504 WaterMark.exe 87 PID 1504 wrote to memory of 4956 1504 WaterMark.exe 87 PID 1504 wrote to memory of 4956 1504 WaterMark.exe 87 PID 1504 wrote to memory of 4956 1504 WaterMark.exe 87 PID 1504 wrote to memory of 4956 1504 WaterMark.exe 87 PID 1504 wrote to memory of 4956 1504 WaterMark.exe 87 PID 1504 wrote to memory of 4956 1504 WaterMark.exe 87 PID 1504 wrote to memory of 4956 1504 WaterMark.exe 87 PID 1504 wrote to memory of 4956 1504 WaterMark.exe 87 PID 1504 wrote to memory of 1756 1504 WaterMark.exe 93 PID 1504 wrote to memory of 1756 1504 WaterMark.exe 93 PID 1504 wrote to memory of 4720 1504 WaterMark.exe 94 PID 1504 wrote to memory of 4720 1504 WaterMark.exe 94 PID 4720 wrote to memory of 2868 4720 iexplore.exe 95 PID 4720 wrote to memory of 2868 4720 iexplore.exe 95 PID 4720 wrote to memory of 2868 4720 iexplore.exe 95 PID 1756 wrote to memory of 2580 1756 iexplore.exe 96 PID 1756 wrote to memory of 2580 1756 iexplore.exe 96 PID 1756 wrote to memory of 2580 1756 iexplore.exe 96
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_507e0345352a44025f02624aa377a816.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_507e0345352a44025f02624aa377a816.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1720 -
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:2508 -
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:1504 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:4956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 2086⤵
- Program crash
PID:4380
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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:1756 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1756 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2580
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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:4720 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4720 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 6083⤵
- Program crash
PID:4924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1720 -ip 17201⤵PID:3060
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4956 -ip 49561⤵PID:1028
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{9776E15D-DE5D-11EF-8277-E65C00D8F0F4}.dat
Filesize5KB
MD525ac1225f4371415a7a21e896b850664
SHA1959eb31189100a0cbec8943d8a59f139e92c2869
SHA256134e4ae8703264083447169230453c9fb522d21848dda754bd7ab32a320c7847
SHA512b32642b20734b107c07bc14bc10a194ceb7564837797b3e3e60047fb996f38def02f6571951130189f1f71e20f6ae6425f02651cf72a03065415bb9fd0bef631
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{977942C9-DE5D-11EF-8277-E65C00D8F0F4}.dat
Filesize3KB
MD5607aef43976a57df350268ec282e8787
SHA1dbe5a45fc7e399fa82baff2538fd5a50bd8f6fef
SHA25642bb26eb249e72da69b1e7ad2cc910371065e780ae21960472fcc7ac64a20d16
SHA51225f46e73b6766f88ef748b94ac6f12fbaf33d8833e3492e37d056c8eb9d1f3eb2753ab43b254839d5d3fbb2f9df25330fb31eb0b2c7db4d3b2d7d19855d3bc0c
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
117KB
MD58496f6a2cbd1e710149e098e047eaee2
SHA1dd0a84f13d385928e5270ef9b4b442150fd4a060
SHA256dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03
SHA512c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5