Analysis
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max time kernel
94s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-01-2025 06:35
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_149236224fb0673cd3504a98d6f4f86e.dll
Resource
win7-20241010-en
General
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Target
JaffaCakes118_149236224fb0673cd3504a98d6f4f86e.dll
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Size
228KB
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MD5
149236224fb0673cd3504a98d6f4f86e
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SHA1
6e391551330c51291e009bcedda38e40bc96c0ef
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SHA256
35f516c0ccd34fce695a3503248f4facfa1344fbb31f33c48f610d9019978984
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SHA512
45bbf66608abf70aba68dda0ab17482998c12829c9d859c32c16ec0012fca92ff5726aeb6aa1dfe4772550d7bf1c6c7038b33747ade0b6b67c94e4dfefb3dc11
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SSDEEP
3072:P0NbrbkYHUyP9eECVWfpIhbWoVnW6IioARoKO7JurqeBTg4vRP86TvOB5n+902kx:0rkYHjIWeWcd71bynXPgatfXQ+9DzYLI
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 1056 rundll32mgr.exe 840 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/1056-6-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1056-7-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1056-11-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1056-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/840-28-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1056-12-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1056-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1056-5-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/840-35-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/840-39-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/840-40-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px9E34.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 4876 2512 WerFault.exe 83 2592 4892 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 rundll32mgr.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "564308265" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{4D260ADE-D954-11EF-B319-CEB9D96D8528} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "564465188" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157601" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157601" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "566182971" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{4D286D87-D954-11EF-B319-CEB9D96D8528} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157601" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "566182971" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157601" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444379132" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 840 WaterMark.exe 840 WaterMark.exe 840 WaterMark.exe 840 WaterMark.exe 840 WaterMark.exe 840 WaterMark.exe 840 WaterMark.exe 840 WaterMark.exe 840 WaterMark.exe 840 WaterMark.exe 840 WaterMark.exe 840 WaterMark.exe 840 WaterMark.exe 840 WaterMark.exe 840 WaterMark.exe 840 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 840 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2824 iexplore.exe 1640 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 2824 iexplore.exe 2824 iexplore.exe 1640 iexplore.exe 1640 iexplore.exe 2260 IEXPLORE.EXE 2260 IEXPLORE.EXE 3084 IEXPLORE.EXE 3084 IEXPLORE.EXE 2260 IEXPLORE.EXE 2260 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 1056 rundll32mgr.exe 840 WaterMark.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 4804 wrote to memory of 2512 4804 rundll32.exe 83 PID 4804 wrote to memory of 2512 4804 rundll32.exe 83 PID 4804 wrote to memory of 2512 4804 rundll32.exe 83 PID 2512 wrote to memory of 1056 2512 rundll32.exe 84 PID 2512 wrote to memory of 1056 2512 rundll32.exe 84 PID 2512 wrote to memory of 1056 2512 rundll32.exe 84 PID 1056 wrote to memory of 840 1056 rundll32mgr.exe 86 PID 1056 wrote to memory of 840 1056 rundll32mgr.exe 86 PID 1056 wrote to memory of 840 1056 rundll32mgr.exe 86 PID 840 wrote to memory of 4892 840 WaterMark.exe 87 PID 840 wrote to memory of 4892 840 WaterMark.exe 87 PID 840 wrote to memory of 4892 840 WaterMark.exe 87 PID 840 wrote to memory of 4892 840 WaterMark.exe 87 PID 840 wrote to memory of 4892 840 WaterMark.exe 87 PID 840 wrote to memory of 4892 840 WaterMark.exe 87 PID 840 wrote to memory of 4892 840 WaterMark.exe 87 PID 840 wrote to memory of 4892 840 WaterMark.exe 87 PID 840 wrote to memory of 4892 840 WaterMark.exe 87 PID 840 wrote to memory of 2824 840 WaterMark.exe 93 PID 840 wrote to memory of 2824 840 WaterMark.exe 93 PID 840 wrote to memory of 1640 840 WaterMark.exe 94 PID 840 wrote to memory of 1640 840 WaterMark.exe 94 PID 2824 wrote to memory of 2260 2824 iexplore.exe 96 PID 2824 wrote to memory of 2260 2824 iexplore.exe 96 PID 2824 wrote to memory of 2260 2824 iexplore.exe 96 PID 1640 wrote to memory of 3084 1640 iexplore.exe 97 PID 1640 wrote to memory of 3084 1640 iexplore.exe 97 PID 1640 wrote to memory of 3084 1640 iexplore.exe 97
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_149236224fb0673cd3504a98d6f4f86e.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_149236224fb0673cd3504a98d6f4f86e.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2512 -
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:1056 -
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:840 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:4892
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 2126⤵
- Program crash
PID:2592
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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:2824 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2824 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2260
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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:1640 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1640 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 6083⤵
- Program crash
PID:4876
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2512 -ip 25121⤵PID:1568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4892 -ip 48921⤵PID:1484
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD52c48c73220d62a8faffe599e95896274
SHA1452cd4222360fe7e881055d815ec65a2bbac564b
SHA25635a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967
SHA5126547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD53a64678a5762f5542d529df4d5942f06
SHA18b8649d75e7b9618f823b261bd2be833ad892703
SHA256b320c07c06f615eb1ea68dc62bf53f122fee3653b478910fd34aeebf245757a8
SHA51286d528c5ccb7fda0fe78fbcdce5124b88a4f1ac81441c6798391a914e3eaa29afa373d7a85f0a942c3decaf454bf903580e1bfdd5b59985e17f38dcc7702beee
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{4D260ADE-D954-11EF-B319-CEB9D96D8528}.dat
Filesize5KB
MD512f6ba729ea1f54f67f5414f22c32a4d
SHA1b7eda918ce4cccfe516b675ac58fab8d3035dba7
SHA2569dfac9734d7d14397fc36ce1db09c2d23949a9f6b1622d2fe2b2ec5e53c82350
SHA512aa34f935c4f8de84378810d552099856639e2ab74364b610040ef14887d019a17f3ead65a0e59443064d954573159ebf30276fb704972da49a597c90c3837227
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{4D286D87-D954-11EF-B319-CEB9D96D8528}.dat
Filesize3KB
MD5be625f9ec8dc54b00792db1d1941ac73
SHA17f7d06f176fe9a29a65980be0fd8acfeb7f30547
SHA2569155a35473acef701a817c024d7a74d8e83f798df420f6a52ed5296f8df851a1
SHA51212c5da266bdeaa9594634530dfa9806aa553976b5c9c176c000ccbfabb98dba211be95e92fd47ee07f2d6c474577fe72c4e54d941b1e6f15e798f3404b3db8bf
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
60KB
MD594f2f6ffbba8e7644668b51b39983916
SHA163357bbdf90101969117983dbc0d4ed0e713c4d7
SHA256ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed
SHA512d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156