Analysis
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max time kernel
126s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/10/2024, 07:12
Static task
static1
Behavioral task
behavioral1
Sample
16ac4e206e38321d926e90f02147358a_JaffaCakes118.dll
Resource
win7-20240704-en
General
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Target
16ac4e206e38321d926e90f02147358a_JaffaCakes118.dll
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Size
262KB
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MD5
16ac4e206e38321d926e90f02147358a
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SHA1
b86863d688c5d044105ec0cfd6540568a5a2efa4
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SHA256
a122f535a1028e17de4bddd597e26c22edd0f5db8ac41d6ea9ff9ca878f6ade3
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SHA512
1408bb59117175dbdaa3605e734458a579bf033c0616b074ca2a5cc3adf86673c0374ac3d44729b8af7a5a37c1f458ae86aa5626d87de3d7331f433c89fe00b8
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SSDEEP
3072:ICuuNCRs/Pj03pJEEC9ti9pocimFFVW6E1fZim4v5TRRJBYeBTg4vRPW9vc/Bm6a:ICIGPj038tAgFMldWNX++eJknGe
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 2640 rundll32mgr.exe 2916 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/2640-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2640-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2640-15-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2640-16-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2916-26-0x0000000000400000-0x000000000044D000-memory.dmp upx behavioral2/memory/2916-34-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2916-30-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2640-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2640-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2640-12-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2916-41-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2916-42-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px6D6B.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 4392 4328 WerFault.exe 89 4880 3408 WerFault.exe 94 -
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 WaterMark.exe 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 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4293291681" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4291103640" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4291103640" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31135477" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31135477" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "434877318" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31135477" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2B4AD0CC-82E9-11EF-A2A4-DA2E3A28CA1B} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31135477" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4293291681" IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 2916 WaterMark.exe 2916 WaterMark.exe 2916 WaterMark.exe 2916 WaterMark.exe 2916 WaterMark.exe 2916 WaterMark.exe 2916 WaterMark.exe 2916 WaterMark.exe 2916 WaterMark.exe 2916 WaterMark.exe 2916 WaterMark.exe 2916 WaterMark.exe 2916 WaterMark.exe 2916 WaterMark.exe 2916 WaterMark.exe 2916 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2916 WaterMark.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2324 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2324 iexplore.exe 2324 iexplore.exe 4104 IEXPLORE.EXE 4104 IEXPLORE.EXE 4104 IEXPLORE.EXE 4104 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2640 rundll32mgr.exe 2916 WaterMark.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 1808 wrote to memory of 4328 1808 rundll32.exe 89 PID 1808 wrote to memory of 4328 1808 rundll32.exe 89 PID 1808 wrote to memory of 4328 1808 rundll32.exe 89 PID 4328 wrote to memory of 2640 4328 rundll32.exe 90 PID 4328 wrote to memory of 2640 4328 rundll32.exe 90 PID 4328 wrote to memory of 2640 4328 rundll32.exe 90 PID 2640 wrote to memory of 2916 2640 rundll32mgr.exe 92 PID 2640 wrote to memory of 2916 2640 rundll32mgr.exe 92 PID 2640 wrote to memory of 2916 2640 rundll32mgr.exe 92 PID 2916 wrote to memory of 3408 2916 WaterMark.exe 94 PID 2916 wrote to memory of 3408 2916 WaterMark.exe 94 PID 2916 wrote to memory of 3408 2916 WaterMark.exe 94 PID 2916 wrote to memory of 3408 2916 WaterMark.exe 94 PID 2916 wrote to memory of 3408 2916 WaterMark.exe 94 PID 2916 wrote to memory of 3408 2916 WaterMark.exe 94 PID 2916 wrote to memory of 3408 2916 WaterMark.exe 94 PID 2916 wrote to memory of 3408 2916 WaterMark.exe 94 PID 2916 wrote to memory of 3408 2916 WaterMark.exe 94 PID 2916 wrote to memory of 2324 2916 WaterMark.exe 98 PID 2916 wrote to memory of 2324 2916 WaterMark.exe 98 PID 2916 wrote to memory of 840 2916 WaterMark.exe 99 PID 2916 wrote to memory of 840 2916 WaterMark.exe 99 PID 2324 wrote to memory of 4104 2324 iexplore.exe 100 PID 2324 wrote to memory of 4104 2324 iexplore.exe 100 PID 2324 wrote to memory of 4104 2324 iexplore.exe 100
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\16ac4e206e38321d926e90f02147358a_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\16ac4e206e38321d926e90f02147358a_JaffaCakes118.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4328 -
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:2640 -
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:2916 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:3408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 2046⤵
- Program crash
PID:4880
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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:2324 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2324 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4104
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
PID:840
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 6083⤵
- Program crash
PID:4392
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4328 -ip 43281⤵PID:2304
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3408 -ip 34081⤵PID:2960
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4148,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=4180 /prefetch:81⤵PID:2876
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
MD5db7c83e09ebc4317f2bf2df7f66b8513
SHA129d58ef43f72ce7cf79ce6109d038a6c9b4873f0
SHA2561ae4c8aa37bf433bc5b3b45e017c95bf843c7dbbe348c78c7ab6f3cad0fda4b8
SHA5126eb46ae0c3e091ba13b1c0e3fb6de568882940df7968d0e1297568ea5356a4691f2a869c7c9ac9e9642bcc2e4e1388d00b15c663276143e8cb5015ab89c27867
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5d3eaab36e00f9868630da309490fdcc1
SHA104a11f1073d2ea962a2c53d7a159628f36df7c0b
SHA256963c07d8777e0141e02dba867dd67346b525e6e0539d6b34d0e35db9d93d5a7e
SHA512384f256a97feced913972af844ef925e3adfa104703d1217bc1cfcd22a49171214440aa583fa076f9e5647559af1d248a4d397e87aa364f67c7842013e3d559c
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Filesize
15KB
MD51a545d0052b581fbb2ab4c52133846bc
SHA162f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA256557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
SHA512bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
95KB
MD5f9caa37eabeb36f1a220d2840767367a
SHA177a49bd0a22933e65ab3749a7177459b303cd73c
SHA2566f690538c457090d41b830c2863bff404f76057d45a7b0531cb1058fe9ea1e9f
SHA5121a3508c167d29857720fbefdc38be4c5bf3518d543139c4e103ba9b660facc3a22ca600ed54c42892b337a07ef4ad5770d2705802a4201c6e2255baf29e767b2