Analysis
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max time kernel
120s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-01-2025 05:07
Behavioral task
behavioral1
Sample
23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Resource
win7-20240903-en
General
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Target
23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
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Size
658KB
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MD5
6ec5d4fc88ead2a9a651e35606197000
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SHA1
b792ecbef1aaf60634935d82f80902505efa9fc5
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SHA256
23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7
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SHA512
6750c5247f50d50b5def1b94efab6392d94aa25eaecc78b135d6ecc28bf1f20c2bdefa82b285fe22271e5d459395461acc43d7cecaaebf036c8cb3e537b4f039
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SSDEEP
12288:e9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hze:qZ1xuVVjfFoynPaVBUR8f+kN10EB9e
Malware Config
Extracted
darkcomet
Colt
dcnigga.ddns.net:420
DC_MUTEX-CN26RWY
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InstallPath
START\101system.exe
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gencode
6k0zU9mKsLnB
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install
true
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offline_keylogger
true
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password
imagod420
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persistence
true
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reg_key
systemstartupkey10123
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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\START\\101system.exe" 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile 101system.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" 101system.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" 101system.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 101system.exe -
Disables Task Manager via registry modification
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Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 3276 attrib.exe 2672 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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe -
Deletes itself 1 IoCs
pid Process 5040 notepad.exe -
Executes dropped EXE 1 IoCs
pid Process 3360 101system.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\systemstartupkey10123 = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\START\\101system.exe" 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\systemstartupkey10123 = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\START\\101system.exe" 101system.exe -
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 8 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 attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 101system.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3360 101system.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeSecurityPrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeTakeOwnershipPrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeLoadDriverPrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeSystemProfilePrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeSystemtimePrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeProfSingleProcessPrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeIncBasePriorityPrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeCreatePagefilePrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeBackupPrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeRestorePrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeShutdownPrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeDebugPrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeSystemEnvironmentPrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeChangeNotifyPrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeRemoteShutdownPrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeUndockPrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeManageVolumePrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeImpersonatePrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeCreateGlobalPrivilege 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: 33 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: 34 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: 35 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: 36 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe Token: SeIncreaseQuotaPrivilege 3360 101system.exe Token: SeSecurityPrivilege 3360 101system.exe Token: SeTakeOwnershipPrivilege 3360 101system.exe Token: SeLoadDriverPrivilege 3360 101system.exe Token: SeSystemProfilePrivilege 3360 101system.exe Token: SeSystemtimePrivilege 3360 101system.exe Token: SeProfSingleProcessPrivilege 3360 101system.exe Token: SeIncBasePriorityPrivilege 3360 101system.exe Token: SeCreatePagefilePrivilege 3360 101system.exe Token: SeBackupPrivilege 3360 101system.exe Token: SeRestorePrivilege 3360 101system.exe Token: SeShutdownPrivilege 3360 101system.exe Token: SeDebugPrivilege 3360 101system.exe Token: SeSystemEnvironmentPrivilege 3360 101system.exe Token: SeChangeNotifyPrivilege 3360 101system.exe Token: SeRemoteShutdownPrivilege 3360 101system.exe Token: SeUndockPrivilege 3360 101system.exe Token: SeManageVolumePrivilege 3360 101system.exe Token: SeImpersonatePrivilege 3360 101system.exe Token: SeCreateGlobalPrivilege 3360 101system.exe Token: 33 3360 101system.exe Token: 34 3360 101system.exe Token: 35 3360 101system.exe Token: 36 3360 101system.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3360 101system.exe -
Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 2848 wrote to memory of 1004 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 82 PID 2848 wrote to memory of 1004 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 82 PID 2848 wrote to memory of 1004 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 82 PID 2848 wrote to memory of 5028 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 83 PID 2848 wrote to memory of 5028 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 83 PID 2848 wrote to memory of 5028 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 83 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 2848 wrote to memory of 5040 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 85 PID 1004 wrote to memory of 3276 1004 cmd.exe 87 PID 1004 wrote to memory of 3276 1004 cmd.exe 87 PID 1004 wrote to memory of 3276 1004 cmd.exe 87 PID 5028 wrote to memory of 2672 5028 cmd.exe 88 PID 5028 wrote to memory of 2672 5028 cmd.exe 88 PID 5028 wrote to memory of 2672 5028 cmd.exe 88 PID 2848 wrote to memory of 3360 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 89 PID 2848 wrote to memory of 3360 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 89 PID 2848 wrote to memory of 3360 2848 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe 89 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 PID 3360 wrote to memory of 3732 3360 101system.exe 90 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 3276 attrib.exe 2672 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe"C:\Users\Admin\AppData\Local\Temp\23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe"1⤵
- 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:2848 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1004 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:3276
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2672
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C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:5040
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C:\ProgramData\Microsoft\Windows\Start Menu\START\101system.exe"C:\ProgramData\Microsoft\Windows\Start Menu\START\101system.exe"2⤵
- Modifies firewall policy service
- Disables RegEdit via registry modification
- Executes dropped EXE
- 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:3360 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵
- System Location Discovery: System Language Discovery
PID:3732
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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
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
1Disable or Modify System Firewall
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
658KB
MD56ec5d4fc88ead2a9a651e35606197000
SHA1b792ecbef1aaf60634935d82f80902505efa9fc5
SHA25623fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7
SHA5126750c5247f50d50b5def1b94efab6392d94aa25eaecc78b135d6ecc28bf1f20c2bdefa82b285fe22271e5d459395461acc43d7cecaaebf036c8cb3e537b4f039