Analysis
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max time kernel
149s -
max time network
151s -
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 15:29
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_8fbf23d29c72c820871f0a3c8a530e60.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_8fbf23d29c72c820871f0a3c8a530e60.exe
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Size
92KB
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MD5
8fbf23d29c72c820871f0a3c8a530e60
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SHA1
96d99798cad1a8655f0f37463aca1f72e9daf3f0
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SHA256
18fbcd1063ce3bf6f652b1e9115aea48236ba80c3344d1107672c8cad9b6b9aa
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SHA512
b891ad198057089e929c4c57cbd62a480b7c61999ebfa9842391daf1344dc76bc44a94e6f4978deea51e78a01c255f85279b04bb50a37774e190cec2934808a7
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SSDEEP
1536:DVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApX:bnxwgxgfR/DVG7wBpX
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 1472 WaterMark.exe -
resource yara_rule behavioral2/memory/2920-2-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2920-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2920-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2920-6-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1472-21-0x0000000000400000-0x0000000000431000-memory.dmp upx behavioral2/memory/1472-27-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2920-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2920-4-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2920-3-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1472-35-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1472-34-0x0000000000400000-0x0000000000431000-memory.dmp upx behavioral2/memory/1472-38-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\pxA6BF.tmp JaffaCakes118_8fbf23d29c72c820871f0a3c8a530e60.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_8fbf23d29c72c820871f0a3c8a530e60.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_8fbf23d29c72c820871f0a3c8a530e60.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4140 936 WerFault.exe 84 -
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_8fbf23d29c72c820871f0a3c8a530e60.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156468" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156468" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443892778" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3221235928" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3223110957" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3223110957" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{EB7C64D7-D4E7-11EF-BDBF-FA9F886F8D04} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3220767147" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156468" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156468" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{EB838B17-D4E7-11EF-BDBF-FA9F886F8D04} = "0" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1472 WaterMark.exe 1472 WaterMark.exe 1472 WaterMark.exe 1472 WaterMark.exe 1472 WaterMark.exe 1472 WaterMark.exe 1472 WaterMark.exe 1472 WaterMark.exe 1472 WaterMark.exe 1472 WaterMark.exe 1472 WaterMark.exe 1472 WaterMark.exe 1472 WaterMark.exe 1472 WaterMark.exe 1472 WaterMark.exe 1472 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1472 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 336 iexplore.exe 3520 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 3520 iexplore.exe 3520 iexplore.exe 336 iexplore.exe 336 iexplore.exe 660 IEXPLORE.EXE 660 IEXPLORE.EXE 3960 IEXPLORE.EXE 3960 IEXPLORE.EXE 660 IEXPLORE.EXE 660 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2920 JaffaCakes118_8fbf23d29c72c820871f0a3c8a530e60.exe 1472 WaterMark.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 2920 wrote to memory of 1472 2920 JaffaCakes118_8fbf23d29c72c820871f0a3c8a530e60.exe 83 PID 2920 wrote to memory of 1472 2920 JaffaCakes118_8fbf23d29c72c820871f0a3c8a530e60.exe 83 PID 2920 wrote to memory of 1472 2920 JaffaCakes118_8fbf23d29c72c820871f0a3c8a530e60.exe 83 PID 1472 wrote to memory of 936 1472 WaterMark.exe 84 PID 1472 wrote to memory of 936 1472 WaterMark.exe 84 PID 1472 wrote to memory of 936 1472 WaterMark.exe 84 PID 1472 wrote to memory of 936 1472 WaterMark.exe 84 PID 1472 wrote to memory of 936 1472 WaterMark.exe 84 PID 1472 wrote to memory of 936 1472 WaterMark.exe 84 PID 1472 wrote to memory of 936 1472 WaterMark.exe 84 PID 1472 wrote to memory of 936 1472 WaterMark.exe 84 PID 1472 wrote to memory of 936 1472 WaterMark.exe 84 PID 1472 wrote to memory of 3520 1472 WaterMark.exe 88 PID 1472 wrote to memory of 3520 1472 WaterMark.exe 88 PID 1472 wrote to memory of 336 1472 WaterMark.exe 89 PID 1472 wrote to memory of 336 1472 WaterMark.exe 89 PID 3520 wrote to memory of 3960 3520 iexplore.exe 91 PID 3520 wrote to memory of 3960 3520 iexplore.exe 91 PID 3520 wrote to memory of 3960 3520 iexplore.exe 91 PID 336 wrote to memory of 660 336 iexplore.exe 92 PID 336 wrote to memory of 660 336 iexplore.exe 92 PID 336 wrote to memory of 660 336 iexplore.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fbf23d29c72c820871f0a3c8a530e60.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fbf23d29c72c820871f0a3c8a530e60.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2920 -
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:1472 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 2044⤵
- Program crash
PID:4140
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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:3520 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3520 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3960
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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:336 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:336 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:660
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 936 -ip 9361⤵PID:3976
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
92KB
MD58fbf23d29c72c820871f0a3c8a530e60
SHA196d99798cad1a8655f0f37463aca1f72e9daf3f0
SHA25618fbcd1063ce3bf6f652b1e9115aea48236ba80c3344d1107672c8cad9b6b9aa
SHA512b891ad198057089e929c4c57cbd62a480b7c61999ebfa9842391daf1344dc76bc44a94e6f4978deea51e78a01c255f85279b04bb50a37774e190cec2934808a7
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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
MD5818e670cb846dd4048b30320216c013f
SHA181ccfb30f20385974d53b07332150d62a3e373d2
SHA2565e2aaa342127ba03be07f4869742c9e3b99fe677a3014230ce15e78da9600937
SHA5127f368b16d4379a7dd139f6c8f6efcfac1f83abc96e80528e33b41f37d3f7971bb461cd658706470bd8202947ea3dc4e849c6ca71d49c0b17cba7c4ea226d36fb
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{EB7C64D7-D4E7-11EF-BDBF-FA9F886F8D04}.dat
Filesize3KB
MD5e5bf0703f82ba36cb2c218319b350aa1
SHA1c12bc481a225a37e1da9e84799a4201c2721873f
SHA2561bb0fa5dc91b60bcbc69ba93605b730a365aa99bf248189050d677ab5086846d
SHA512109a6dc8cab1c3864f7ac0eb4fedd64e8cc355e4051191258d4cf920a5e909ffbb40bd004201df97592bd8bc7edd95ebe3f02cab51e7b646eace88903cb3046c
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{EB838B17-D4E7-11EF-BDBF-FA9F886F8D04}.dat
Filesize5KB
MD51794cedaf6246e53ca24fc2d02511413
SHA137ac20e2c6f3ccce6b6169910ea41a4eccf14535
SHA256ba0bec16ffebbe8f38f656452b44429cf2dba701fcce75bbfdc2b3d35c47311f
SHA5122e59d3e4272d8568c6cee655ece6a13532d31107d70bd055bde29703d6526f74697d27632e89ffe7d73353d94bfe98aa713bd7f1e42d07f390d02d351ff56d6a
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee