Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24/01/2025, 17:00
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_238dbbe1599cf0eff8dcd7753296a5e6.dll
Resource
win7-20241010-en
General
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Target
JaffaCakes118_238dbbe1599cf0eff8dcd7753296a5e6.dll
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Size
211KB
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MD5
238dbbe1599cf0eff8dcd7753296a5e6
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SHA1
485f2fffb6063b8784824835b1cb8c148c00ad2d
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SHA256
9a129bccb57cdc384061c4ef7bc1e488a3b763b88413c6d12f894e46868bd46a
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SHA512
586823579216476ba1738e97383106797084a646c9529903ec72ba11aa100bb5226507e737758a67e5bd5f27969d7d105c7e19cd6037fbbf016b14469fe41885
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SSDEEP
3072:TnMoFkOKCg3CXmSSZlzgeBTg4vRPo5NNFs+XNtUU/chmcFTulOVq5pNOKVtqYarv:TMJOWK4l0wqOVq1zV4jrA7n08O4I
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 4836 rundll32mgr.exe 996 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/4836-6-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4836-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4836-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4836-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4836-7-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4836-12-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4836-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/996-30-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/996-36-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/996-40-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/996-41-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\pxA74C.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 2632 3440 WerFault.exe 86 -
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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157889" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2525088202" 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 (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" 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\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 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 = "31157889" 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 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\Recovery\PendingRecovery\AdminActive = "0" 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 (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2526650770" 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\WindowsSearch 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\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C1FE057B-DA74-11EF-BDBF-FA9F886F8D04} = "0" 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\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2526650770" 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 (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" 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\VersionManager\LastCheckForUpdateHighDateTime = "31157889" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C20067B0-DA74-11EF-BDBF-FA9F886F8D04} = "0" 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 Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157889" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444503023" 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\VersionManager\LastCheckForUpdateLowDateTime = "2524931894" 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\DomainSuggestion 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 Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 996 WaterMark.exe 996 WaterMark.exe 996 WaterMark.exe 996 WaterMark.exe 996 WaterMark.exe 996 WaterMark.exe 996 WaterMark.exe 996 WaterMark.exe 996 WaterMark.exe 996 WaterMark.exe 996 WaterMark.exe 996 WaterMark.exe 996 WaterMark.exe 996 WaterMark.exe 996 WaterMark.exe 996 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 996 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2188 iexplore.exe 212 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 212 iexplore.exe 212 iexplore.exe 2188 iexplore.exe 2188 iexplore.exe 3956 IEXPLORE.EXE 3956 IEXPLORE.EXE 4416 IEXPLORE.EXE 4416 IEXPLORE.EXE 3956 IEXPLORE.EXE 3956 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 4836 rundll32mgr.exe 996 WaterMark.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2620 wrote to memory of 3584 2620 rundll32.exe 83 PID 2620 wrote to memory of 3584 2620 rundll32.exe 83 PID 2620 wrote to memory of 3584 2620 rundll32.exe 83 PID 3584 wrote to memory of 4836 3584 rundll32.exe 84 PID 3584 wrote to memory of 4836 3584 rundll32.exe 84 PID 3584 wrote to memory of 4836 3584 rundll32.exe 84 PID 4836 wrote to memory of 996 4836 rundll32mgr.exe 85 PID 4836 wrote to memory of 996 4836 rundll32mgr.exe 85 PID 4836 wrote to memory of 996 4836 rundll32mgr.exe 85 PID 996 wrote to memory of 3440 996 WaterMark.exe 86 PID 996 wrote to memory of 3440 996 WaterMark.exe 86 PID 996 wrote to memory of 3440 996 WaterMark.exe 86 PID 996 wrote to memory of 3440 996 WaterMark.exe 86 PID 996 wrote to memory of 3440 996 WaterMark.exe 86 PID 996 wrote to memory of 3440 996 WaterMark.exe 86 PID 996 wrote to memory of 3440 996 WaterMark.exe 86 PID 996 wrote to memory of 3440 996 WaterMark.exe 86 PID 996 wrote to memory of 3440 996 WaterMark.exe 86 PID 996 wrote to memory of 212 996 WaterMark.exe 91 PID 996 wrote to memory of 212 996 WaterMark.exe 91 PID 996 wrote to memory of 2188 996 WaterMark.exe 92 PID 996 wrote to memory of 2188 996 WaterMark.exe 92 PID 212 wrote to memory of 4416 212 iexplore.exe 94 PID 212 wrote to memory of 4416 212 iexplore.exe 94 PID 212 wrote to memory of 4416 212 iexplore.exe 94 PID 2188 wrote to memory of 3956 2188 iexplore.exe 95 PID 2188 wrote to memory of 3956 2188 iexplore.exe 95 PID 2188 wrote to memory of 3956 2188 iexplore.exe 95
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_238dbbe1599cf0eff8dcd7753296a5e6.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_238dbbe1599cf0eff8dcd7753296a5e6.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3584 -
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:4836 -
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:996 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:3440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 2046⤵
- Program crash
PID:2632
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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:212 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:212 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4416
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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:2188 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2188 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3440 -ip 34401⤵PID:3532
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD5ce36378334f2edb4e728e0632afebb70
SHA189d54efcb8c7bbe532e5ad91b38468279d3f5c93
SHA2566be47a3ecfbf81a123c297ee65d70177b4010bfbe728b94b4337453683b9a6e1
SHA5123e09cc9ece1907c072f02f768ec749ceef3b8913f394bb075b1948d0409b7910670b91da7d35160c211d0bf8df05e83409a1ad7493ea53864c41f37305f75aa2
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD53426907209714806fc944eca3616c3b4
SHA1b60c215c6f5f7f1323637cb53bac4ed1d18cadfd
SHA256b27eefd2e1db8d9cfeecab24c5d5f61527d3cf6e77fa557aeaf008b287e2dd73
SHA512096b0f2c74145cfe8c35631067a941414f2726a780e04671d4e100ce9ba2c3e291901c59fd81c2d3d54bda24b823c3a9e21af1d11c526999cbd1be25b5f06e9a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD53e54eed22f5b62446d495f3569f461c0
SHA136571de8c3c7075975d0d9f346f18b1a02a5844b
SHA256cf2d999badbad900488327590781248dc45bbe616dbc3d5016ddccfe074a4193
SHA512501bedebdfddb4bb304f17c724e7255e5f3741453fa480002386487850bc2e6c6778309ddcbb984f28c58276853db178a7901974c153ce8b5383d92977375321
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{C1FE057B-DA74-11EF-BDBF-FA9F886F8D04}.dat
Filesize3KB
MD56d919fb59b73af5599cec37d025e3633
SHA157e392efe76cd7c5f7f487db0559aabfd982859c
SHA256b33ae3682d2938eeebfbb5405f2a42a875ecd6fbccb2c5f16ff55cf44dfb376f
SHA51284abc8f905fc0682e1ce1a8ef896914e97084f055b987c7a162a3aaad52b1bfd4224c615e69c4776c2e19413529856b43367caff9c55020d73499fd73431500e
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{C20067B0-DA74-11EF-BDBF-FA9F886F8D04}.dat
Filesize5KB
MD57679a09daf0838401520df4cefb010c5
SHA14abddaea63a69026b9a3aab39baf5c03356f0d30
SHA2568e831749b79babd2c08f08164e92630565d44dd17e548074fec0e7e75f7532c6
SHA51259ba2038f2127fc3d38987c3a9c8eff902ae1366bfa49bbdf87bf4cae6e78672787b2cfa7ceae63a15c844aa01ba308561033509143384b80cc4482a79503fba
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
60KB
MD594f2f6ffbba8e7644668b51b39983916
SHA163357bbdf90101969117983dbc0d4ed0e713c4d7
SHA256ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed
SHA512d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156