Analysis
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max time kernel
150s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
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Target
JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe
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Size
747KB
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MD5
68b51f46404ef40e243df9bc6f97fbb5
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SHA1
a0b1253f2f72ca6cfbbd45892d7a6ec708874d2b
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SHA256
fb4385a75b5c49473057991eda06012c9774fac6578a861558139718cb5b7108
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SHA512
6b1d72fa2302638b910906d1211f5042a908813779aa6bd7aa9d8d8046c61f7318b9b8646a80fc234dc2c5a584f95bb3ea1f527bb7ce0918cd5948383a58ef57
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SSDEEP
12288:1ZQt4Q2+rqkgeCW47dwfzOJSiElgR5eSJcf6colYQY/MvnB7yubadHQZzaFWwV:rwK8Xge7smbO915eSJ9c/2ssz
Malware Config
Extracted
darkcomet
Guest16
bojan9090.no-ip.biz:90
DC_MUTEX-1LECKLA
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InstallPath
system32\winupdate.exe
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gencode
DjaJfA5nYcpv
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
MicroUpdate
Signatures
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Darkcomet family
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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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
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description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe -
ModiLoader Second Stage 6 IoCs
resource yara_rule behavioral1/memory/2648-0-0x0000000000400000-0x0000000000589000-memory.dmp modiloader_stage2 behavioral1/memory/2648-3-0x0000000000400000-0x0000000000589000-memory.dmp modiloader_stage2 behavioral1/memory/2648-15-0x0000000000400000-0x0000000000589000-memory.dmp modiloader_stage2 behavioral1/memory/792-34-0x0000000000400000-0x0000000000589000-memory.dmp modiloader_stage2 behavioral1/memory/792-43-0x0000000000400000-0x0000000000589000-memory.dmp modiloader_stage2 behavioral1/memory/1772-96-0x00000000004C0000-0x0000000000649000-memory.dmp modiloader_stage2 -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 2392 attrib.exe 2328 attrib.exe -
resource yara_rule behavioral1/files/0x0007000000018f53-23.dat aspack_v212_v242 -
Executes dropped EXE 2 IoCs
pid Process 792 winupdate.exe 1772 winupdate.exe -
Loads dropped DLL 8 IoCs
pid Process 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 792 winupdate.exe 792 winupdate.exe 792 winupdate.exe 792 winupdate.exe 1772 winupdate.exe 1772 winupdate.exe 1772 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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\system32\\winupdate.exe" JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\system32\\winupdate.exe" winupdate.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\system32\ JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe File created C:\Windows\SysWOW64\system32\winupdate.exe JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe File opened for modification C:\Windows\SysWOW64\system32\winupdate.exe JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2648 set thread context of 2736 2648 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 31 PID 792 set thread context of 1772 792 winupdate.exe 40 -
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 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 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 WScript.exe 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 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1772 winupdate.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeSecurityPrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeTakeOwnershipPrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeLoadDriverPrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeSystemProfilePrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeSystemtimePrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeProfSingleProcessPrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeIncBasePriorityPrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeCreatePagefilePrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeBackupPrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeRestorePrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeShutdownPrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeDebugPrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeSystemEnvironmentPrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeChangeNotifyPrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeRemoteShutdownPrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeUndockPrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeManageVolumePrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeImpersonatePrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeCreateGlobalPrivilege 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: 33 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: 34 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: 35 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe Token: SeIncreaseQuotaPrivilege 1772 winupdate.exe Token: SeSecurityPrivilege 1772 winupdate.exe Token: SeTakeOwnershipPrivilege 1772 winupdate.exe Token: SeLoadDriverPrivilege 1772 winupdate.exe Token: SeSystemProfilePrivilege 1772 winupdate.exe Token: SeSystemtimePrivilege 1772 winupdate.exe Token: SeProfSingleProcessPrivilege 1772 winupdate.exe Token: SeIncBasePriorityPrivilege 1772 winupdate.exe Token: SeCreatePagefilePrivilege 1772 winupdate.exe Token: SeBackupPrivilege 1772 winupdate.exe Token: SeRestorePrivilege 1772 winupdate.exe Token: SeShutdownPrivilege 1772 winupdate.exe Token: SeDebugPrivilege 1772 winupdate.exe Token: SeSystemEnvironmentPrivilege 1772 winupdate.exe Token: SeChangeNotifyPrivilege 1772 winupdate.exe Token: SeRemoteShutdownPrivilege 1772 winupdate.exe Token: SeUndockPrivilege 1772 winupdate.exe Token: SeManageVolumePrivilege 1772 winupdate.exe Token: SeImpersonatePrivilege 1772 winupdate.exe Token: SeCreateGlobalPrivilege 1772 winupdate.exe Token: 33 1772 winupdate.exe Token: 34 1772 winupdate.exe Token: 35 1772 winupdate.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1772 winupdate.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2648 wrote to memory of 2748 2648 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 30 PID 2648 wrote to memory of 2748 2648 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 30 PID 2648 wrote to memory of 2748 2648 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 30 PID 2648 wrote to memory of 2748 2648 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 30 PID 2648 wrote to memory of 2736 2648 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 31 PID 2648 wrote to memory of 2736 2648 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 31 PID 2648 wrote to memory of 2736 2648 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 31 PID 2648 wrote to memory of 2736 2648 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 31 PID 2648 wrote to memory of 2736 2648 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 31 PID 2648 wrote to memory of 2736 2648 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 31 PID 2736 wrote to memory of 2836 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 33 PID 2736 wrote to memory of 2836 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 33 PID 2736 wrote to memory of 2836 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 33 PID 2736 wrote to memory of 2836 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 33 PID 2736 wrote to memory of 2544 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 34 PID 2736 wrote to memory of 2544 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 34 PID 2736 wrote to memory of 2544 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 34 PID 2736 wrote to memory of 2544 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 34 PID 2544 wrote to memory of 2392 2544 cmd.exe 38 PID 2544 wrote to memory of 2392 2544 cmd.exe 38 PID 2544 wrote to memory of 2392 2544 cmd.exe 38 PID 2544 wrote to memory of 2392 2544 cmd.exe 38 PID 2836 wrote to memory of 2328 2836 cmd.exe 37 PID 2836 wrote to memory of 2328 2836 cmd.exe 37 PID 2836 wrote to memory of 2328 2836 cmd.exe 37 PID 2836 wrote to memory of 2328 2836 cmd.exe 37 PID 2736 wrote to memory of 792 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 39 PID 2736 wrote to memory of 792 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 39 PID 2736 wrote to memory of 792 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 39 PID 2736 wrote to memory of 792 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 39 PID 2736 wrote to memory of 792 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 39 PID 2736 wrote to memory of 792 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 39 PID 2736 wrote to memory of 792 2736 JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe 39 PID 792 wrote to memory of 1772 792 winupdate.exe 40 PID 792 wrote to memory of 1772 792 winupdate.exe 40 PID 792 wrote to memory of 1772 792 winupdate.exe 40 PID 792 wrote to memory of 1772 792 winupdate.exe 40 PID 792 wrote to memory of 1772 792 winupdate.exe 40 PID 792 wrote to memory of 1772 792 winupdate.exe 40 PID 792 wrote to memory of 1772 792 winupdate.exe 40 PID 792 wrote to memory of 1772 792 winupdate.exe 40 PID 792 wrote to memory of 1772 792 winupdate.exe 40 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 PID 1772 wrote to memory of 2340 1772 winupdate.exe 41 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 2328 attrib.exe 2392 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648 -
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:2748
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68b51f46404ef40e243df9bc6f97fbb5.exe"2⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736 -
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:2836 -
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:2328
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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:2544 -
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:2392
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C:\Windows\SysWOW64\system32\winupdate.exe"C:\Windows\system32\system32\winupdate.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:792 -
C:\Windows\SysWOW64\system32\winupdate.exe"C:\Windows\SysWOW64\system32\winupdate.exe"4⤵
- Windows security bypass
- Executes dropped EXE
- Loads dropped DLL
- 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:1772 -
C:\Windows\SysWOW64\notepad.exenotepad5⤵
- System Location Discovery: System Language Discovery
PID:2340
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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
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Filesize
357B
MD5da4866994089f28da3fb9536c45d6570
SHA1c476d4eba7c8b74f314dd80dfc881c48664ad86c
SHA2562d79479423c303f2c6a0735113c0c359df8749ef1c32a695701c2a5a0f081b8d
SHA512e0faefdb3540b43b4e68a9b60ad5247601db27389bbe2e81fe88ecd546eee3ad7fc93624423e147cf517c48642af2133381f54db7200cfffcba497dd53aa7748
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Filesize
747KB
MD568b51f46404ef40e243df9bc6f97fbb5
SHA1a0b1253f2f72ca6cfbbd45892d7a6ec708874d2b
SHA256fb4385a75b5c49473057991eda06012c9774fac6578a861558139718cb5b7108
SHA5126b1d72fa2302638b910906d1211f5042a908813779aa6bd7aa9d8d8046c61f7318b9b8646a80fc234dc2c5a584f95bb3ea1f527bb7ce0918cd5948383a58ef57