Analysis
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max time kernel
148s -
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
01-01-2025 02:22
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_43bf7dd7ae653cc429a476f4812c44f2.dll
Resource
win7-20241010-en
General
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Target
JaffaCakes118_43bf7dd7ae653cc429a476f4812c44f2.dll
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Size
168KB
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MD5
43bf7dd7ae653cc429a476f4812c44f2
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SHA1
e30793ba85d988546b9db073abfbb8bf15617a2a
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SHA256
2d549f2949ac1525fca397baf8ec6b932e4734380c8ae9614e845af4ba7f660b
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SHA512
64656c338637377207c1e8df7cbc3dfa66a695940dd0927ed816d5c30afa4873a0786b9b1d3b0751ea2626677ac6253aa8b71b04012fcc2a48421776e4a3c78d
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SSDEEP
3072:w7nmEOsOmajrUSjh1U7SfmS7UZZF3n4DtJQETeJ6MjtxeTU6dsLBqBMlSd/EXUKV:w7mEOs1ajrUSjh1U7SfvUZZFvT9eTLdu
Malware Config
Signatures
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Ramnit family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation rundll32mgr.exe -
Executes dropped EXE 2 IoCs
pid Process 1300 rundll32mgr.exe 2104 sfecatydhggxbbay.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 1968 372 WerFault.exe 85 2180 3196 WerFault.exe 107 -
System Location Discovery: System Language Discovery 1 TTPs 7 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 iexplore.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 IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sfecatydhggxbbay.exe -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153140" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153140" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "281784830" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "280066406" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442463118" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "280066406" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "479753040" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{3C5174C3-C7E7-11EF-91C3-CE95CE932DF6} = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153140" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153140" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 660 Process not Found -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 1300 rundll32mgr.exe Token: SeDebugPrivilege 1300 rundll32mgr.exe Token: SeSecurityPrivilege 2104 sfecatydhggxbbay.exe Token: SeLoadDriverPrivilege 2104 sfecatydhggxbbay.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4528 IEXPLORE.EXE 4528 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4528 IEXPLORE.EXE 4528 IEXPLORE.EXE 3044 IEXPLORE.EXE 3044 IEXPLORE.EXE 3044 IEXPLORE.EXE 3044 IEXPLORE.EXE 4528 IEXPLORE.EXE 4528 IEXPLORE.EXE 2752 IEXPLORE.EXE 2752 IEXPLORE.EXE 2752 IEXPLORE.EXE 2752 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 2376 wrote to memory of 4324 2376 rundll32.exe 83 PID 2376 wrote to memory of 4324 2376 rundll32.exe 83 PID 2376 wrote to memory of 4324 2376 rundll32.exe 83 PID 4324 wrote to memory of 1300 4324 rundll32.exe 84 PID 4324 wrote to memory of 1300 4324 rundll32.exe 84 PID 4324 wrote to memory of 1300 4324 rundll32.exe 84 PID 1300 wrote to memory of 372 1300 rundll32mgr.exe 85 PID 1300 wrote to memory of 372 1300 rundll32mgr.exe 85 PID 1300 wrote to memory of 372 1300 rundll32mgr.exe 85 PID 1300 wrote to memory of 372 1300 rundll32mgr.exe 85 PID 1300 wrote to memory of 372 1300 rundll32mgr.exe 85 PID 1300 wrote to memory of 372 1300 rundll32mgr.exe 85 PID 1300 wrote to memory of 372 1300 rundll32mgr.exe 85 PID 1300 wrote to memory of 372 1300 rundll32mgr.exe 85 PID 1300 wrote to memory of 372 1300 rundll32mgr.exe 85 PID 1300 wrote to memory of 1976 1300 rundll32mgr.exe 90 PID 1300 wrote to memory of 1976 1300 rundll32mgr.exe 90 PID 1300 wrote to memory of 1976 1300 rundll32mgr.exe 90 PID 1976 wrote to memory of 4528 1976 iexplore.exe 91 PID 1976 wrote to memory of 4528 1976 iexplore.exe 91 PID 4528 wrote to memory of 3044 4528 IEXPLORE.EXE 93 PID 4528 wrote to memory of 3044 4528 IEXPLORE.EXE 93 PID 4528 wrote to memory of 3044 4528 IEXPLORE.EXE 93 PID 1300 wrote to memory of 3196 1300 rundll32mgr.exe 107 PID 1300 wrote to memory of 3196 1300 rundll32mgr.exe 107 PID 1300 wrote to memory of 3196 1300 rundll32mgr.exe 107 PID 1300 wrote to memory of 3196 1300 rundll32mgr.exe 107 PID 1300 wrote to memory of 3196 1300 rundll32mgr.exe 107 PID 1300 wrote to memory of 3196 1300 rundll32mgr.exe 107 PID 1300 wrote to memory of 3196 1300 rundll32mgr.exe 107 PID 1300 wrote to memory of 3196 1300 rundll32mgr.exe 107 PID 1300 wrote to memory of 3196 1300 rundll32mgr.exe 107 PID 1300 wrote to memory of 2884 1300 rundll32mgr.exe 112 PID 1300 wrote to memory of 2884 1300 rundll32mgr.exe 112 PID 1300 wrote to memory of 2884 1300 rundll32mgr.exe 112 PID 2884 wrote to memory of 2524 2884 iexplore.exe 113 PID 2884 wrote to memory of 2524 2884 iexplore.exe 113 PID 4528 wrote to memory of 2752 4528 IEXPLORE.EXE 114 PID 4528 wrote to memory of 2752 4528 IEXPLORE.EXE 114 PID 4528 wrote to memory of 2752 4528 IEXPLORE.EXE 114 PID 1300 wrote to memory of 2104 1300 rundll32mgr.exe 117 PID 1300 wrote to memory of 2104 1300 rundll32mgr.exe 117 PID 1300 wrote to memory of 2104 1300 rundll32mgr.exe 117
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43bf7dd7ae653cc429a476f4812c44f2.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43bf7dd7ae653cc429a476f4812c44f2.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4324 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1300 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵PID:372
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 372 -s 2045⤵
- Program crash
PID:1968
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976 -
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:4528 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4528 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3044
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4528 CREDAT:17416 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2752
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵PID:3196
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 2045⤵
- Program crash
PID:2180
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"5⤵
- Modifies Internet Explorer settings
PID:2524
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C:\Users\Admin\AppData\Local\Temp\sfecatydhggxbbay.exe"C:\Users\Admin\AppData\Local\Temp\sfecatydhggxbbay.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2104
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 372 -ip 3721⤵PID:2888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3196 -ip 31961⤵PID:2036
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
MD5febff5e5b64433316ee5f116c5c14309
SHA155a533777edeed0d18304f073d59d5ca1e5c7737
SHA256888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4
SHA512cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5dda7cf37c15a6c06405e356efdcc53a1
SHA146f3ecef164142753ca4ff2ff512cb4567e5180f
SHA2560b385ed6b084b575bb85aa46119c8b7fe8d9f01e2b7eecc2d9c75914af0c6528
SHA512aa9527b794b071cfce9fea5662d28b1d50499cb3a280b0379c95d161a507075b5efe753a24d1cb34934c58535604e549e7235b540acadf938bb365af2335f918
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
88KB
MD5e34d08915eba534585b74b885b587811
SHA1aa7dbe6413697bccc12e10984d34b18b29b82392
SHA2565f52464b6c257b2065441998b0d3e71dac1e5453d18d4c86c24b43fd0d298a37
SHA51299d00fc033aef4cf0921c59494348ae1aec931771e2b514937de282cc1c2b5487d508aeffcdc285c5d82bdea9c369aeb29979fd21df589f59f04ec1712eb931b