Analysis
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max time kernel
139s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
18/04/2025, 22:01
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe
Resource
win10v2004-20250314-en
General
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Target
JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe
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Size
900KB
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MD5
bff04a6789b9d9818531e5425439857a
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SHA1
9dc5aa71a2cc30d19499abffa8b8bb476490341c
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SHA256
d1d2310532bcab2d6e6e3df9c2c8fe80e6770bb9023d3ec2faa2d0cca44345d1
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SHA512
8877a96047da6505a8a4615259bca48fa0e68ff48d62cd5fe2f7df290f0ac53b4ee056feaaa2c57043ef99800826df747b549efcb2004f0b2b7391c85e222c02
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SSDEEP
12288:hX5XfC/zm7TYoBSZPEJMtg7MjX/s5hkcnDVg2cSx/cP+sl5ZAwxaNa3PnGVm54:hk/aBSBEJMG7JwgD2NiG5n3vO
Malware Config
Extracted
darkcomet
hackftw
hackingftw.no-ip.org:1324
DC_MUTEX-A4S0HZ5
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InstallPath
system32\winlogon.exe
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gencode
MrTTiB2tmghE
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install
true
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offline_keylogger
true
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password
Marmir1212!
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persistence
false
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reg_key
winlogon
Signatures
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\system32\\winlogon.exe" winhost32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\system32\\winlogon.exe,C:\\system32\\winlogon.exe" winhost32.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winhost32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winhost32.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation winhost32.exe Key value queried \REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe Key value queried \REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation winhost32.exe -
Executes dropped EXE 7 IoCs
pid Process 5892 winhost32.exe 6044 rundll32.exe 4600 winhost32.exe 4520 winlogon.exe 4688 winlogon.exe 4808 winlogon.exe 556 winlogon.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\system32\\winlogon.exe" winhost32.exe Set value (str) \REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\system32\\winlogon.exe" winhost32.exe Set value (str) \REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GAnZPmGNII = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\rundll32.exe\"" JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 5128 set thread context of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5892 set thread context of 2012 5892 winhost32.exe 92 PID 6044 set thread context of 4600 6044 rundll32.exe 96 PID 4600 set thread context of 4856 4600 winhost32.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 11 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 NOTEPAD.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winhost32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlogon.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlogon.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlogon.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlogon.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winhost32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 winhost32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier winhost32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 winhost32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString winhost32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier winhost32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier winhost32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString winhost32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier winhost32.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winhost32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winhost32.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000_Classes\Local Settings JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ winhost32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ winhost32.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe Token: SeIncreaseQuotaPrivilege 5892 winhost32.exe Token: SeSecurityPrivilege 5892 winhost32.exe Token: SeTakeOwnershipPrivilege 5892 winhost32.exe Token: SeLoadDriverPrivilege 5892 winhost32.exe Token: SeSystemProfilePrivilege 5892 winhost32.exe Token: SeSystemtimePrivilege 5892 winhost32.exe Token: SeProfSingleProcessPrivilege 5892 winhost32.exe Token: SeIncBasePriorityPrivilege 5892 winhost32.exe Token: SeCreatePagefilePrivilege 5892 winhost32.exe Token: SeBackupPrivilege 5892 winhost32.exe Token: SeRestorePrivilege 5892 winhost32.exe Token: SeShutdownPrivilege 5892 winhost32.exe Token: SeDebugPrivilege 5892 winhost32.exe Token: SeSystemEnvironmentPrivilege 5892 winhost32.exe Token: SeChangeNotifyPrivilege 5892 winhost32.exe Token: SeRemoteShutdownPrivilege 5892 winhost32.exe Token: SeUndockPrivilege 5892 winhost32.exe Token: SeManageVolumePrivilege 5892 winhost32.exe Token: SeImpersonatePrivilege 5892 winhost32.exe Token: SeCreateGlobalPrivilege 5892 winhost32.exe Token: 33 5892 winhost32.exe Token: 34 5892 winhost32.exe Token: 35 5892 winhost32.exe Token: 36 5892 winhost32.exe Token: SeDebugPrivilege 6044 rundll32.exe Token: SeIncreaseQuotaPrivilege 4600 winhost32.exe Token: SeSecurityPrivilege 4600 winhost32.exe Token: SeTakeOwnershipPrivilege 4600 winhost32.exe Token: SeLoadDriverPrivilege 4600 winhost32.exe Token: SeSystemProfilePrivilege 4600 winhost32.exe Token: SeSystemtimePrivilege 4600 winhost32.exe Token: SeProfSingleProcessPrivilege 4600 winhost32.exe Token: SeIncBasePriorityPrivilege 4600 winhost32.exe Token: SeCreatePagefilePrivilege 4600 winhost32.exe Token: SeBackupPrivilege 4600 winhost32.exe Token: SeRestorePrivilege 4600 winhost32.exe Token: SeShutdownPrivilege 4600 winhost32.exe Token: SeDebugPrivilege 4600 winhost32.exe Token: SeSystemEnvironmentPrivilege 4600 winhost32.exe Token: SeChangeNotifyPrivilege 4600 winhost32.exe Token: SeRemoteShutdownPrivilege 4600 winhost32.exe Token: SeUndockPrivilege 4600 winhost32.exe Token: SeManageVolumePrivilege 4600 winhost32.exe Token: SeImpersonatePrivilege 4600 winhost32.exe Token: SeCreateGlobalPrivilege 4600 winhost32.exe Token: 33 4600 winhost32.exe Token: 34 4600 winhost32.exe Token: 35 4600 winhost32.exe Token: 36 4600 winhost32.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 5128 wrote to memory of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5128 wrote to memory of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5128 wrote to memory of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5128 wrote to memory of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5128 wrote to memory of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5128 wrote to memory of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5128 wrote to memory of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5128 wrote to memory of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5128 wrote to memory of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5128 wrote to memory of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5128 wrote to memory of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5128 wrote to memory of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5128 wrote to memory of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5128 wrote to memory of 5892 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 88 PID 5892 wrote to memory of 2012 5892 winhost32.exe 92 PID 5892 wrote to memory of 2012 5892 winhost32.exe 92 PID 5892 wrote to memory of 2012 5892 winhost32.exe 92 PID 5892 wrote to memory of 2012 5892 winhost32.exe 92 PID 5892 wrote to memory of 2012 5892 winhost32.exe 92 PID 3712 wrote to memory of 6044 3712 cmd.exe 94 PID 3712 wrote to memory of 6044 3712 cmd.exe 94 PID 3712 wrote to memory of 6044 3712 cmd.exe 94 PID 5128 wrote to memory of 4556 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 95 PID 5128 wrote to memory of 4556 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 95 PID 5128 wrote to memory of 4556 5128 JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe 95 PID 6044 wrote to memory of 4600 6044 rundll32.exe 96 PID 6044 wrote to memory of 4600 6044 rundll32.exe 96 PID 6044 wrote to memory of 4600 6044 rundll32.exe 96 PID 6044 wrote to memory of 4600 6044 rundll32.exe 96 PID 6044 wrote to memory of 4600 6044 rundll32.exe 96 PID 6044 wrote to memory of 4600 6044 rundll32.exe 96 PID 6044 wrote to memory of 4600 6044 rundll32.exe 96 PID 6044 wrote to memory of 4600 6044 rundll32.exe 96 PID 6044 wrote to memory of 4600 6044 rundll32.exe 96 PID 6044 wrote to memory of 4600 6044 rundll32.exe 96 PID 6044 wrote to memory of 4600 6044 rundll32.exe 96 PID 6044 wrote to memory of 4600 6044 rundll32.exe 96 PID 6044 wrote to memory of 4600 6044 rundll32.exe 96 PID 6044 wrote to memory of 4600 6044 rundll32.exe 96 PID 4600 wrote to memory of 4856 4600 winhost32.exe 97 PID 4600 wrote to memory of 4856 4600 winhost32.exe 97 PID 4600 wrote to memory of 4856 4600 winhost32.exe 97 PID 4600 wrote to memory of 4856 4600 winhost32.exe 97 PID 4600 wrote to memory of 4856 4600 winhost32.exe 97 PID 4004 wrote to memory of 4520 4004 cmd.exe 100 PID 4004 wrote to memory of 4520 4004 cmd.exe 100 PID 4004 wrote to memory of 4520 4004 cmd.exe 100 PID 2248 wrote to memory of 4688 2248 cmd.exe 101 PID 2248 wrote to memory of 4688 2248 cmd.exe 101 PID 2248 wrote to memory of 4688 2248 cmd.exe 101 PID 5892 wrote to memory of 4808 5892 winhost32.exe 102 PID 5892 wrote to memory of 4808 5892 winhost32.exe 102 PID 5892 wrote to memory of 4808 5892 winhost32.exe 102 PID 4600 wrote to memory of 556 4600 winhost32.exe 103 PID 4600 wrote to memory of 556 4600 winhost32.exe 103 PID 4600 wrote to memory of 556 4600 winhost32.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bff04a6789b9d9818531e5425439857a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5128 -
C:\Users\Admin\AppData\Local\Temp\winhost32.exeC:\Users\Admin\AppData\Local\Temp\\winhost32.exe2⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5892 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵
- System Location Discovery: System Language Discovery
PID:2012
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C:\system32\winlogon.exe"C:\system32\winlogon.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4808
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\שיר על זיו.txt2⤵
- System Location Discovery: System Language Discovery
PID:4556
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\rundll32.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3712 -
C:\Users\Admin\AppData\Local\Temp\rundll32.exeC:\Users\Admin\AppData\Local\Temp\rundll32.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:6044 -
C:\Users\Admin\AppData\Local\Temp\winhost32.exeC:\Users\Admin\AppData\Local\Temp\\winhost32.exe3⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"4⤵
- System Location Discovery: System Language Discovery
PID:4856
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C:\system32\winlogon.exe"C:\system32\winlogon.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:556
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\system32\winlogon.exe1⤵
- Suspicious use of WriteProcessMemory
PID:4004 -
C:\system32\winlogon.exeC:\system32\winlogon.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4520
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\system32\winlogon.exe1⤵
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\system32\winlogon.exeC:\system32\winlogon.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4688
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
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Downloads
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Filesize
900KB
MD5bff04a6789b9d9818531e5425439857a
SHA19dc5aa71a2cc30d19499abffa8b8bb476490341c
SHA256d1d2310532bcab2d6e6e3df9c2c8fe80e6770bb9023d3ec2faa2d0cca44345d1
SHA5128877a96047da6505a8a4615259bca48fa0e68ff48d62cd5fe2f7df290f0ac53b4ee056feaaa2c57043ef99800826df747b549efcb2004f0b2b7391c85e222c02
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Filesize
5KB
MD5d2ed8fa3208e702b7d61728af768eed1
SHA154094aa272cb866a46c2ca5b56f4a094e0f48ffb
SHA2569236208e312b2f47a0ef40e59fc0f364fc8e401717e1e46555c26bec8ab3de1f
SHA51242442dc0b98f2abaea0c6516602d80df8a2a680278ecdc2b96fe5ce44685f7442347fd4ad13d9d99e0330cf0be7c0e9bbf22bd78c0173066221e430203c76313
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Filesize
349B
MD58b621829181a4252027ca5fd952e5269
SHA10b8c6ba5662351ac6fd998733d16957e042a6320
SHA25676fbeee294003b8acf9c6b8b3fde6d747bd86bc6e43a524ae7579eb9a66be6ec
SHA512e206e9dea9b4e1315eaf9121ba4dd227ab17648b94c66c43c005e59ba60d27e6ec3408a73c994fa8757fb8db26604798d406baa7eb2948db6692da7e6153fe91