Analysis
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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
25-11-2024 02:21
Static task
static1
Behavioral task
behavioral1
Sample
98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe
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Size
804KB
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MD5
98a05811eb6b0faeaba9937bb089af44
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SHA1
508c223b6147744d85d821b9f01caa1c1abb39e9
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SHA256
bce53cc6169641be9c7ffa7c5a4fc542066fa82e7cdfa832af71e8b27ad60d70
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SHA512
153e7494595f3a49cb2fb95bfb1f0a3214de740d64982e199801c188c38bedc21f0835b6b18668cc4122c42c58de25cbb6d2f2f1827b169d2e6ac5b92600df96
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SSDEEP
12288:eSTnw+tBhvxFDsE4cx/DbnD7Yj19/8LDt9aQFonL7XT8Y1+AYnvJmES:vnBpFYE4ctDikB9af/XZI9vsT
Malware Config
Signatures
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Darkcomet family
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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:\\Realtek\\audio.exe" 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" audio.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" audio.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile audio.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" audio.exe -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 112 attrib.exe 1148 attrib.exe -
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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe -
Executes dropped EXE 3 IoCs
pid Process 552 audio.exe 1664 audio.exe 3568 audio.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" audio.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\audio = "C:\\Realtek\\audio.exe" 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\audio = "C:\\Realtek\\audio.exe" audio.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe File opened for modification \??\PhysicalDrive0 audio.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 4028 set thread context of 4128 4028 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 88 PID 4128 set thread context of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 552 set thread context of 1664 552 audio.exe 106 PID 1664 set thread context of 3568 1664 audio.exe 107 -
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 12 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 attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language audio.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language audio.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language audio.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.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 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1292 cmd.exe 2908 PING.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2908 PING.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3568 audio.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeSecurityPrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeSystemtimePrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeBackupPrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeRestorePrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeShutdownPrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeDebugPrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeUndockPrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeManageVolumePrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeImpersonatePrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: 33 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: 34 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: 35 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: 36 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 3568 audio.exe Token: SeSecurityPrivilege 3568 audio.exe Token: SeTakeOwnershipPrivilege 3568 audio.exe Token: SeLoadDriverPrivilege 3568 audio.exe Token: SeSystemProfilePrivilege 3568 audio.exe Token: SeSystemtimePrivilege 3568 audio.exe Token: SeProfSingleProcessPrivilege 3568 audio.exe Token: SeIncBasePriorityPrivilege 3568 audio.exe Token: SeCreatePagefilePrivilege 3568 audio.exe Token: SeBackupPrivilege 3568 audio.exe Token: SeRestorePrivilege 3568 audio.exe Token: SeShutdownPrivilege 3568 audio.exe Token: SeDebugPrivilege 3568 audio.exe Token: SeSystemEnvironmentPrivilege 3568 audio.exe Token: SeChangeNotifyPrivilege 3568 audio.exe Token: SeRemoteShutdownPrivilege 3568 audio.exe Token: SeUndockPrivilege 3568 audio.exe Token: SeManageVolumePrivilege 3568 audio.exe Token: SeImpersonatePrivilege 3568 audio.exe Token: SeCreateGlobalPrivilege 3568 audio.exe Token: 33 3568 audio.exe Token: 34 3568 audio.exe Token: 35 3568 audio.exe Token: 36 3568 audio.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4028 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 552 audio.exe 1664 audio.exe 3568 audio.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4028 wrote to memory of 4128 4028 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 88 PID 4028 wrote to memory of 4128 4028 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 88 PID 4028 wrote to memory of 4128 4028 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 88 PID 4028 wrote to memory of 4128 4028 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 88 PID 4028 wrote to memory of 4128 4028 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 88 PID 4028 wrote to memory of 4128 4028 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 88 PID 4028 wrote to memory of 4128 4028 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 88 PID 4028 wrote to memory of 4128 4028 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 88 PID 4128 wrote to memory of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 4128 wrote to memory of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 4128 wrote to memory of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 4128 wrote to memory of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 4128 wrote to memory of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 4128 wrote to memory of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 4128 wrote to memory of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 4128 wrote to memory of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 4128 wrote to memory of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 4128 wrote to memory of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 4128 wrote to memory of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 4128 wrote to memory of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 4128 wrote to memory of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 4128 wrote to memory of 2236 4128 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 89 PID 2236 wrote to memory of 2628 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 90 PID 2236 wrote to memory of 2628 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 90 PID 2236 wrote to memory of 2628 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 90 PID 2236 wrote to memory of 5008 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 91 PID 2236 wrote to memory of 5008 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 91 PID 2236 wrote to memory of 5008 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 91 PID 2628 wrote to memory of 112 2628 cmd.exe 94 PID 2628 wrote to memory of 112 2628 cmd.exe 94 PID 2628 wrote to memory of 112 2628 cmd.exe 94 PID 5008 wrote to memory of 1148 5008 cmd.exe 95 PID 5008 wrote to memory of 1148 5008 cmd.exe 95 PID 5008 wrote to memory of 1148 5008 cmd.exe 95 PID 2236 wrote to memory of 552 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 96 PID 2236 wrote to memory of 552 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 96 PID 2236 wrote to memory of 552 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 96 PID 2236 wrote to memory of 1292 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 97 PID 2236 wrote to memory of 1292 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 97 PID 2236 wrote to memory of 1292 2236 98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe 97 PID 1292 wrote to memory of 2908 1292 cmd.exe 101 PID 1292 wrote to memory of 2908 1292 cmd.exe 101 PID 1292 wrote to memory of 2908 1292 cmd.exe 101 PID 552 wrote to memory of 1664 552 audio.exe 106 PID 552 wrote to memory of 1664 552 audio.exe 106 PID 552 wrote to memory of 1664 552 audio.exe 106 PID 552 wrote to memory of 1664 552 audio.exe 106 PID 552 wrote to memory of 1664 552 audio.exe 106 PID 552 wrote to memory of 1664 552 audio.exe 106 PID 552 wrote to memory of 1664 552 audio.exe 106 PID 552 wrote to memory of 1664 552 audio.exe 106 PID 1664 wrote to memory of 3568 1664 audio.exe 107 PID 1664 wrote to memory of 3568 1664 audio.exe 107 PID 1664 wrote to memory of 3568 1664 audio.exe 107 PID 1664 wrote to memory of 3568 1664 audio.exe 107 PID 1664 wrote to memory of 3568 1664 audio.exe 107 PID 1664 wrote to memory of 3568 1664 audio.exe 107 PID 1664 wrote to memory of 3568 1664 audio.exe 107 PID 1664 wrote to memory of 3568 1664 audio.exe 107 PID 1664 wrote to memory of 3568 1664 audio.exe 107 PID 1664 wrote to memory of 3568 1664 audio.exe 107 PID 1664 wrote to memory of 3568 1664 audio.exe 107 PID 1664 wrote to memory of 3568 1664 audio.exe 107 PID 1664 wrote to memory of 3568 1664 audio.exe 107 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 112 attrib.exe 1148 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4028 -
C:\Users\Admin\AppData\Local\Temp\98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe"2⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4128 -
C:\Users\Admin\AppData\Local\Temp\98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe"3⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2236 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe" +s +h4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe" +s +h5⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:112
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5008 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h5⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:1148
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C:\Realtek\audio.exe"C:\Realtek\audio.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:552 -
C:\Realtek\audio.exe"C:\Realtek\audio.exe"5⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Realtek\audio.exe"C:\Realtek\audio.exe"6⤵
- Modifies firewall policy service
- 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
PID:3568
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\98a05811eb6b0faeaba9937bb089af44_JaffaCakes118.exe"4⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 55⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2908
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
5Pre-OS Boot
1Bootkit
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
804KB
MD598a05811eb6b0faeaba9937bb089af44
SHA1508c223b6147744d85d821b9f01caa1c1abb39e9
SHA256bce53cc6169641be9c7ffa7c5a4fc542066fa82e7cdfa832af71e8b27ad60d70
SHA512153e7494595f3a49cb2fb95bfb1f0a3214de740d64982e199801c188c38bedc21f0835b6b18668cc4122c42c58de25cbb6d2f2f1827b169d2e6ac5b92600df96