Analysis
-
max time kernel
92s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
29-01-2025 02:20
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_51b11002829c4274ca5798865731fb87.dll
Resource
win7-20240729-en
General
-
Target
JaffaCakes118_51b11002829c4274ca5798865731fb87.dll
-
Size
212KB
-
MD5
51b11002829c4274ca5798865731fb87
-
SHA1
7be17159c9d4b93bf02c30896bfbd60588ff2331
-
SHA256
4ff47586e3f8485e96c22b910531726ab6b88591e89e046ec62af4ee35ee5324
-
SHA512
a51cd3c66766c3cacc54cf794506ae4af82367cb51afb5b3dd8c9ec747146258cd4010ab3749801728b497da0b67ef9394c14a195299d066dc5208fab33dd091
-
SSDEEP
3072:mdcQ2ZNMSQvbajUTUItjT68+xQXPV9pcskdSoR+szFJmrGFyS:AATSOjUQK5PrRkcw+6JXFz
Malware Config
Signatures
-
Ramnit family
-
Executes dropped EXE 2 IoCs
pid Process 1524 rundll32mgr.exe 4244 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/1524-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1524-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1524-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1524-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1524-7-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1524-12-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1524-6-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4244-27-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4244-29-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4244-30-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4244-38-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4244-39-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4244-42-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px91EF.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 3156 4628 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 IEXPLORE.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WaterMark.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31159020" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31159020" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1223281032" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1227031058" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\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-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{7490EE7C-DEDF-11EF-B9C0-4AD58E01712C} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31159020" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1227031058" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31159020" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444988653" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{749350E9-DEDF-11EF-B9C0-4AD58E01712C} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1223281032" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 4244 WaterMark.exe 4244 WaterMark.exe 4244 WaterMark.exe 4244 WaterMark.exe 4244 WaterMark.exe 4244 WaterMark.exe 4244 WaterMark.exe 4244 WaterMark.exe 4244 WaterMark.exe 4244 WaterMark.exe 4244 WaterMark.exe 4244 WaterMark.exe 4244 WaterMark.exe 4244 WaterMark.exe 4244 WaterMark.exe 4244 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4244 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1200 iexplore.exe 2100 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 1200 iexplore.exe 1200 iexplore.exe 2100 iexplore.exe 2100 iexplore.exe 1468 IEXPLORE.EXE 1468 IEXPLORE.EXE 4088 IEXPLORE.EXE 4088 IEXPLORE.EXE 1468 IEXPLORE.EXE 1468 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 1524 rundll32mgr.exe 4244 WaterMark.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 1952 wrote to memory of 2264 1952 rundll32.exe 83 PID 1952 wrote to memory of 2264 1952 rundll32.exe 83 PID 1952 wrote to memory of 2264 1952 rundll32.exe 83 PID 2264 wrote to memory of 1524 2264 rundll32.exe 85 PID 2264 wrote to memory of 1524 2264 rundll32.exe 85 PID 2264 wrote to memory of 1524 2264 rundll32.exe 85 PID 1524 wrote to memory of 4244 1524 rundll32mgr.exe 86 PID 1524 wrote to memory of 4244 1524 rundll32mgr.exe 86 PID 1524 wrote to memory of 4244 1524 rundll32mgr.exe 86 PID 4244 wrote to memory of 4628 4244 WaterMark.exe 87 PID 4244 wrote to memory of 4628 4244 WaterMark.exe 87 PID 4244 wrote to memory of 4628 4244 WaterMark.exe 87 PID 4244 wrote to memory of 4628 4244 WaterMark.exe 87 PID 4244 wrote to memory of 4628 4244 WaterMark.exe 87 PID 4244 wrote to memory of 4628 4244 WaterMark.exe 87 PID 4244 wrote to memory of 4628 4244 WaterMark.exe 87 PID 4244 wrote to memory of 4628 4244 WaterMark.exe 87 PID 4244 wrote to memory of 4628 4244 WaterMark.exe 87 PID 4244 wrote to memory of 2100 4244 WaterMark.exe 93 PID 4244 wrote to memory of 2100 4244 WaterMark.exe 93 PID 4244 wrote to memory of 1200 4244 WaterMark.exe 94 PID 4244 wrote to memory of 1200 4244 WaterMark.exe 94 PID 1200 wrote to memory of 1468 1200 iexplore.exe 95 PID 1200 wrote to memory of 1468 1200 iexplore.exe 95 PID 1200 wrote to memory of 1468 1200 iexplore.exe 95 PID 2100 wrote to memory of 4088 2100 iexplore.exe 96 PID 2100 wrote to memory of 4088 2100 iexplore.exe 96 PID 2100 wrote to memory of 4088 2100 iexplore.exe 96
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51b11002829c4274ca5798865731fb87.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1952 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51b11002829c4274ca5798865731fb87.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2264 -
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:1524 -
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:4244 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:4628
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 846⤵
- Program crash
PID:3156
-
-
-
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:2100 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2100 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4088
-
-
-
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:1200 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1200 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1468
-
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4628 -ip 46281⤵PID:4620
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7490EE7C-DEDF-11EF-B9C0-4AD58E01712C}.dat
Filesize3KB
MD5f72bcf3762bb9cc60842e32fbe03c7a0
SHA1f37218c5d313cae5ac812736cd42393c3857c99c
SHA256386a7f7bdc3fd35c5e768dd77837703a71997f2c17ae214abaaa6a4fb1371b88
SHA512488d1d9e18bad99a7dcdc6326180256466763283a128dd23c55f4c3396a3f77e9ec869ab324399f8381a9f435efd9d2983c14ff4a2800284e1b28fccf48b8700
-
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{749350E9-DEDF-11EF-B9C0-4AD58E01712C}.dat
Filesize5KB
MD507602f6ec36edf5d9157572c45293312
SHA10ce11213301b45fc89ec238ec0959498fe3b43da
SHA2560517bf97da583ef745b2e7dd68221ecdbe2e4b404dc39a1e9e014348fb658783
SHA512d63d4d6fa2ac8ef0866c8a5241cfd1e25c5f118ee7fa33fdd5d302ed2a273fa66af36ee740274377ef85fcb2f53bb438358f06bf0747b3af077714e770f056cb
-
Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
-
Filesize
60KB
MD5cd963c64ad0bea4ca85a4819f6eefed1
SHA1d9cd6316cf3c6ce5ceec9694c2debc7b7981775f
SHA25633c4b715dc8b183dff9aac65cc42c7f2c70658580b8e3d449878251482a5d906
SHA512f7cd12c57eff3acf7c89b0e7b55dfa81623618a65d6c49b490c199cfe63ae9e858f2681c8ef1425d1e4b25f7b0bbd6d4a9d9788956c23f52fece3d5d79b5907e