Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02-01-2025 22:53
Behavioral task
behavioral1
Sample
JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe
Resource
win10v2004-20241007-en
General
-
Target
JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe
-
Size
747KB
-
MD5
68b51f46404ef40e243df9bc6f97fbb5
-
SHA1
a0b1253f2f72ca6cfbbd45892d7a6ec708874d2b
-
SHA256
fb4385a75b5c49473057991eda06012c9774fac6578a861558139718cb5b7108
-
SHA512
6b1d72fa2302638b910906d1211f5042a908813779aa6bd7aa9d8d8046c61f7318b9b8646a80fc234dc2c5a584f95bb3ea1f527bb7ce0918cd5948383a58ef57
-
SSDEEP
12288:1ZQt4Q2+rqkgeCW47dwfzOJSiElgR5eSJcf6colYQY/MvnB7yubadHQZzaFWwV:rwK8Xge7smbO915eSJ9c/2ssz
Malware Config
Extracted
darkcomet
Guest16
bojan9090.no-ip.biz:90
DC_MUTEX-1LECKLA
-
InstallPath
system32\winupdate.exe
-
gencode
DjaJfA5nYcpv
-
install
true
-
offline_keylogger
true
-
persistence
true
-
reg_key
MicroUpdate
Signatures
-
Darkcomet family
-
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\system32\\winupdate.exe" JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe -
Modiloader family
-
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe -
ModiLoader Second Stage 4 IoCs
resource yara_rule behavioral2/memory/5072-1-0x0000000000400000-0x0000000000589000-memory.dmp modiloader_stage2 behavioral2/memory/5072-11-0x0000000000400000-0x0000000000589000-memory.dmp modiloader_stage2 behavioral2/memory/4580-77-0x0000000000400000-0x0000000000589000-memory.dmp modiloader_stage2 behavioral2/memory/4580-81-0x0000000000400000-0x0000000000589000-memory.dmp modiloader_stage2 -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 1060 attrib.exe 316 attrib.exe -
resource yara_rule behavioral2/files/0x0008000000023c60-18.dat aspack_v212_v242 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe -
Executes dropped EXE 2 IoCs
pid Process 4580 winupdate.exe 1892 winupdate.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\system32\\winupdate.exe" winupdate.exe Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\system32\\winupdate.exe" JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\system32\winupdate.exe JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe File opened for modification C:\Windows\SysWOW64\system32\winupdate.exe JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe File opened for modification C:\Windows\SysWOW64\system32\ JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5072 set thread context of 3572 5072 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 86 PID 4580 set thread context of 1892 4580 winupdate.exe 94 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 10 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1892 winupdate.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeSecurityPrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeTakeOwnershipPrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeLoadDriverPrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeSystemProfilePrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeSystemtimePrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeProfSingleProcessPrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeIncBasePriorityPrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeCreatePagefilePrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeBackupPrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeRestorePrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeShutdownPrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeDebugPrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeSystemEnvironmentPrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeChangeNotifyPrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeRemoteShutdownPrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeUndockPrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeManageVolumePrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeImpersonatePrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeCreateGlobalPrivilege 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: 33 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: 34 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: 35 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: 36 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeIncreaseQuotaPrivilege 1892 winupdate.exe Token: SeSecurityPrivilege 1892 winupdate.exe Token: SeTakeOwnershipPrivilege 1892 winupdate.exe Token: SeLoadDriverPrivilege 1892 winupdate.exe Token: SeSystemProfilePrivilege 1892 winupdate.exe Token: SeSystemtimePrivilege 1892 winupdate.exe Token: SeProfSingleProcessPrivilege 1892 winupdate.exe Token: SeIncBasePriorityPrivilege 1892 winupdate.exe Token: SeCreatePagefilePrivilege 1892 winupdate.exe Token: SeBackupPrivilege 1892 winupdate.exe Token: SeRestorePrivilege 1892 winupdate.exe Token: SeShutdownPrivilege 1892 winupdate.exe Token: SeDebugPrivilege 1892 winupdate.exe Token: SeSystemEnvironmentPrivilege 1892 winupdate.exe Token: SeChangeNotifyPrivilege 1892 winupdate.exe Token: SeRemoteShutdownPrivilege 1892 winupdate.exe Token: SeUndockPrivilege 1892 winupdate.exe Token: SeManageVolumePrivilege 1892 winupdate.exe Token: SeImpersonatePrivilege 1892 winupdate.exe Token: SeCreateGlobalPrivilege 1892 winupdate.exe Token: 33 1892 winupdate.exe Token: 34 1892 winupdate.exe Token: 35 1892 winupdate.exe Token: 36 1892 winupdate.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1892 winupdate.exe -
Suspicious use of WriteProcessMemory 50 IoCs
description pid Process procid_target PID 5072 wrote to memory of 4984 5072 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 84 PID 5072 wrote to memory of 4984 5072 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 84 PID 5072 wrote to memory of 4984 5072 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 84 PID 5072 wrote to memory of 3572 5072 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 86 PID 5072 wrote to memory of 3572 5072 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 86 PID 5072 wrote to memory of 3572 5072 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 86 PID 5072 wrote to memory of 3572 5072 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 86 PID 5072 wrote to memory of 3572 5072 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 86 PID 3572 wrote to memory of 1100 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 87 PID 3572 wrote to memory of 1100 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 87 PID 3572 wrote to memory of 1100 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 87 PID 3572 wrote to memory of 3616 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 89 PID 3572 wrote to memory of 3616 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 89 PID 3572 wrote to memory of 3616 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 89 PID 1100 wrote to memory of 1060 1100 cmd.exe 91 PID 1100 wrote to memory of 1060 1100 cmd.exe 91 PID 1100 wrote to memory of 1060 1100 cmd.exe 91 PID 3616 wrote to memory of 316 3616 cmd.exe 92 PID 3616 wrote to memory of 316 3616 cmd.exe 92 PID 3616 wrote to memory of 316 3616 cmd.exe 92 PID 3572 wrote to memory of 4580 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 93 PID 3572 wrote to memory of 4580 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 93 PID 3572 wrote to memory of 4580 3572 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 93 PID 4580 wrote to memory of 1892 4580 winupdate.exe 94 PID 4580 wrote to memory of 1892 4580 winupdate.exe 94 PID 4580 wrote to memory of 1892 4580 winupdate.exe 94 PID 4580 wrote to memory of 1892 4580 winupdate.exe 94 PID 4580 wrote to memory of 1892 4580 winupdate.exe 94 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 PID 1892 wrote to memory of 3432 1892 winupdate.exe 95 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 1060 attrib.exe 316 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5072 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\N4YqUG.vbs"2⤵
- System Location Discovery: System Language Discovery
PID:4984
-
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe"2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3572 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe" +s +h3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe" +s +h4⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:1060
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3616 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h4⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:316
-
-
-
C:\Windows\SysWOW64\system32\winupdate.exe"C:\Windows\system32\system32\winupdate.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4580 -
C:\Windows\SysWOW64\system32\winupdate.exe"C:\Windows\SysWOW64\system32\winupdate.exe"4⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Windows\SysWOW64\notepad.exenotepad5⤵
- System Location Discovery: System Language Discovery
PID:3432
-
-
-
-
Network
MITRE ATT&CK Enterprise v15
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
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
2Disable or Modify Tools
2Modify Registry
4Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
357B
MD5da4866994089f28da3fb9536c45d6570
SHA1c476d4eba7c8b74f314dd80dfc881c48664ad86c
SHA2562d79479423c303f2c6a0735113c0c359df8749ef1c32a695701c2a5a0f081b8d
SHA512e0faefdb3540b43b4e68a9b60ad5247601db27389bbe2e81fe88ecd546eee3ad7fc93624423e147cf517c48642af2133381f54db7200cfffcba497dd53aa7748
-
Filesize
747KB
MD568b51f46404ef40e243df9bc6f97fbb5
SHA1a0b1253f2f72ca6cfbbd45892d7a6ec708874d2b
SHA256fb4385a75b5c49473057991eda06012c9774fac6578a861558139718cb5b7108
SHA5126b1d72fa2302638b910906d1211f5042a908813779aa6bd7aa9d8d8046c61f7318b9b8646a80fc234dc2c5a584f95bb3ea1f527bb7ce0918cd5948383a58ef57