Analysis
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max time kernel
93s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-01-2025 13:01
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_8c67a4ee7c94c942047d50da6fa8a9c5.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_8c67a4ee7c94c942047d50da6fa8a9c5.exe
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Size
92KB
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MD5
8c67a4ee7c94c942047d50da6fa8a9c5
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SHA1
a0635d4df1bd3af9cffd0ed6efe0554218fa1dfa
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SHA256
2e291023498a8358d52757e3d532ed5f116db740e91d5d597589173925127791
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SHA512
8cf489ad782886ec606be0c499294693b4adfe32b501761b68b104a80ce300a9ddb2e67d3c7225cc5840d3a2708f271c210d44e55b60f357282865a039e731f6
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SSDEEP
1536:yVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:inxwgxgfR/DVG7wBpE
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 4880 WaterMark.exe -
resource yara_rule behavioral2/memory/4456-3-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4456-4-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4456-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4456-7-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4456-2-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4456-12-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4456-11-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4456-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4880-26-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4880-25-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4880-34-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4880-33-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4880-37-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4880-40-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_8c67a4ee7c94c942047d50da6fa8a9c5.exe File opened for modification C:\Program Files (x86)\Microsoft\px9347.tmp JaffaCakes118_8c67a4ee7c94c942047d50da6fa8a9c5.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_8c67a4ee7c94c942047d50da6fa8a9c5.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2216 4348 WerFault.exe 83 -
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 JaffaCakes118_8c67a4ee7c94c942047d50da6fa8a9c5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WaterMark.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "198988032" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443883887" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "201487990" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156448" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156448" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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 (data) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "199144340" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156448" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{3779EC71-D4D3-11EF-9361-7E3D785E6C2E} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "201487990" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156448" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{37778A70-D4D3-11EF-9361-7E3D785E6C2E} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 4880 WaterMark.exe 4880 WaterMark.exe 4880 WaterMark.exe 4880 WaterMark.exe 4880 WaterMark.exe 4880 WaterMark.exe 4880 WaterMark.exe 4880 WaterMark.exe 4880 WaterMark.exe 4880 WaterMark.exe 4880 WaterMark.exe 4880 WaterMark.exe 4880 WaterMark.exe 4880 WaterMark.exe 4880 WaterMark.exe 4880 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4880 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3304 iexplore.exe 4952 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4952 iexplore.exe 4952 iexplore.exe 3304 iexplore.exe 3304 iexplore.exe 4756 IEXPLORE.EXE 4756 IEXPLORE.EXE 2904 IEXPLORE.EXE 2904 IEXPLORE.EXE 4756 IEXPLORE.EXE 4756 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 4456 JaffaCakes118_8c67a4ee7c94c942047d50da6fa8a9c5.exe 4880 WaterMark.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 4456 wrote to memory of 4880 4456 JaffaCakes118_8c67a4ee7c94c942047d50da6fa8a9c5.exe 82 PID 4456 wrote to memory of 4880 4456 JaffaCakes118_8c67a4ee7c94c942047d50da6fa8a9c5.exe 82 PID 4456 wrote to memory of 4880 4456 JaffaCakes118_8c67a4ee7c94c942047d50da6fa8a9c5.exe 82 PID 4880 wrote to memory of 4348 4880 WaterMark.exe 83 PID 4880 wrote to memory of 4348 4880 WaterMark.exe 83 PID 4880 wrote to memory of 4348 4880 WaterMark.exe 83 PID 4880 wrote to memory of 4348 4880 WaterMark.exe 83 PID 4880 wrote to memory of 4348 4880 WaterMark.exe 83 PID 4880 wrote to memory of 4348 4880 WaterMark.exe 83 PID 4880 wrote to memory of 4348 4880 WaterMark.exe 83 PID 4880 wrote to memory of 4348 4880 WaterMark.exe 83 PID 4880 wrote to memory of 4348 4880 WaterMark.exe 83 PID 4880 wrote to memory of 4952 4880 WaterMark.exe 87 PID 4880 wrote to memory of 4952 4880 WaterMark.exe 87 PID 4880 wrote to memory of 3304 4880 WaterMark.exe 88 PID 4880 wrote to memory of 3304 4880 WaterMark.exe 88 PID 3304 wrote to memory of 4756 3304 iexplore.exe 89 PID 3304 wrote to memory of 4756 3304 iexplore.exe 89 PID 3304 wrote to memory of 4756 3304 iexplore.exe 89 PID 4952 wrote to memory of 2904 4952 iexplore.exe 90 PID 4952 wrote to memory of 2904 4952 iexplore.exe 90 PID 4952 wrote to memory of 2904 4952 iexplore.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c67a4ee7c94c942047d50da6fa8a9c5.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c67a4ee7c94c942047d50da6fa8a9c5.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4456 -
C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"2⤵
- 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:4880 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:4348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 2044⤵
- Program crash
PID:2216
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4952 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4952 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2904
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3304 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3304 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4756
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4348 -ip 43481⤵PID:4560
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
92KB
MD58c67a4ee7c94c942047d50da6fa8a9c5
SHA1a0635d4df1bd3af9cffd0ed6efe0554218fa1dfa
SHA2562e291023498a8358d52757e3d532ed5f116db740e91d5d597589173925127791
SHA5128cf489ad782886ec606be0c499294693b4adfe32b501761b68b104a80ce300a9ddb2e67d3c7225cc5840d3a2708f271c210d44e55b60f357282865a039e731f6
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD537827a5b375c40c1d7c482099e06c5bb
SHA148a43de39625e410113ec4d2d3e355535c7163a9
SHA256ffbd974e64098b8a4b5abe5633fe019780fb5eb4fb52418810fbbdc50084ef51
SHA512e14bdded02c844462222ce326d91cfc2403f2fb164911a7b1401cb5dcb29c804383cf554304a5ea8465d743ef2f0fa78e6cba3f064dad02cd00076c1ac5f843e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5d139ba0740c8c7bb3c14875a08fb10a2
SHA17eb69b459eb3f0fa50b4cc309800a2c8f6774906
SHA2568394f0b4aef88e5bed1d10a79b86071cf4520acb18504f653636fe5a1e7b1726
SHA512c6af0b83d1807c41fdef90095010c04d42cf7d671809817979f9ad5228860d1092bd02b186a9b184dfbdbbc53c0f80f3e5676fc410eddea5d9221d58d780c431
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{37778A70-D4D3-11EF-9361-7E3D785E6C2E}.dat
Filesize3KB
MD5ebd0adfec5685e14024b26f9913bbe4f
SHA14f80d41c8bdfebcec699cd49f59064b90c3aeb98
SHA256652e19add268a468b70130046736a2b45a992c3f7741a2d630026e289165a0cc
SHA51245ecb800c7dcc85a49f8328989c324d42811bb4aac016932b948a256891c82f898e4e1a01fd5f08dbb9600570da1802db0c7b81a3ac3504169254040935a2917
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{3779EC71-D4D3-11EF-9361-7E3D785E6C2E}.dat
Filesize5KB
MD556d7c31bf5bc2f215d8648c6187c319c
SHA1dfbfec4176606358a549f00a1fe4a9696a072b95
SHA256abc61ef67de82f4b1dd9fb8319c8c1383233f22241901b4d04b5913f2edb692e
SHA51294a489794bce2a44949e2ec840ff8e680a4ad110df61620a5bf3ef8a8d03694b7a9d8f0bd0890f1b77de56b282ca357c9ce9850250fd2fca805113335a57ce4b
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee