Analysis
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max time kernel
60s -
max time network
53s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02/03/2025, 01:05
Behavioral task
behavioral1
Sample
501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe
Resource
win7-20240903-en
General
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Target
501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe
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Size
1.1MB
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MD5
a77502350cda394c2d5545f3e0978d6c
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SHA1
cd2852066d18f90cccda274627d754cd7a10a901
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SHA256
501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb
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SHA512
230391cfa3c129317c5efc312021acdc7b7f3f7f95639e6f904217eacf83e5e4542000b26530fada8b2e8ed0805dab5851e2a1803e227f9dcaa8fcb6b9558b4c
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SSDEEP
24576:D1Z1xuVVjfFoynPaVBUR8f+kN10EBmmbm:DPQDgok30dmbm
Malware Config
Extracted
darkcomet
Guest16
egegeg.duckdns.org:1604
DC_MUTEX-GMXC7Q3
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InstallPath
MSDCSC\msdcsc.exe
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gencode
bEqrgGM1ijfq
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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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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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" F.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" msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" msdcsc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile msdcsc.exe -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" msdcsc.exe -
Windows security bypass 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" msdcsc.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 1852 attrib.exe 2088 attrib.exe -
Executes dropped EXE 2 IoCs
pid Process 1992 F.EXE 2664 msdcsc.exe -
Loads dropped DLL 4 IoCs
pid Process 2464 501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe 2464 501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe 1992 F.EXE 1992 F.EXE -
Windows security modification 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" F.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" msdcsc.exe -
Command and Scripting Interpreter: JavaScript 1 TTPs
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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 9 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 501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.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 attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language F.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2372 WScript.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2296 vlc.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 2296 vlc.exe 2664 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1992 F.EXE Token: SeSecurityPrivilege 1992 F.EXE Token: SeTakeOwnershipPrivilege 1992 F.EXE Token: SeLoadDriverPrivilege 1992 F.EXE Token: SeSystemProfilePrivilege 1992 F.EXE Token: SeSystemtimePrivilege 1992 F.EXE Token: SeProfSingleProcessPrivilege 1992 F.EXE Token: SeIncBasePriorityPrivilege 1992 F.EXE Token: SeCreatePagefilePrivilege 1992 F.EXE Token: SeBackupPrivilege 1992 F.EXE Token: SeRestorePrivilege 1992 F.EXE Token: SeShutdownPrivilege 1992 F.EXE Token: SeDebugPrivilege 1992 F.EXE Token: SeSystemEnvironmentPrivilege 1992 F.EXE Token: SeChangeNotifyPrivilege 1992 F.EXE Token: SeRemoteShutdownPrivilege 1992 F.EXE Token: SeUndockPrivilege 1992 F.EXE Token: SeManageVolumePrivilege 1992 F.EXE Token: SeImpersonatePrivilege 1992 F.EXE Token: SeCreateGlobalPrivilege 1992 F.EXE Token: 33 1992 F.EXE Token: 34 1992 F.EXE Token: 35 1992 F.EXE Token: SeIncreaseQuotaPrivilege 2664 msdcsc.exe Token: SeSecurityPrivilege 2664 msdcsc.exe Token: SeTakeOwnershipPrivilege 2664 msdcsc.exe Token: SeLoadDriverPrivilege 2664 msdcsc.exe Token: SeSystemProfilePrivilege 2664 msdcsc.exe Token: SeSystemtimePrivilege 2664 msdcsc.exe Token: SeProfSingleProcessPrivilege 2664 msdcsc.exe Token: SeIncBasePriorityPrivilege 2664 msdcsc.exe Token: SeCreatePagefilePrivilege 2664 msdcsc.exe Token: SeBackupPrivilege 2664 msdcsc.exe Token: SeRestorePrivilege 2664 msdcsc.exe Token: SeShutdownPrivilege 2664 msdcsc.exe Token: SeDebugPrivilege 2664 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2664 msdcsc.exe Token: SeChangeNotifyPrivilege 2664 msdcsc.exe Token: SeRemoteShutdownPrivilege 2664 msdcsc.exe Token: SeUndockPrivilege 2664 msdcsc.exe Token: SeManageVolumePrivilege 2664 msdcsc.exe Token: SeImpersonatePrivilege 2664 msdcsc.exe Token: SeCreateGlobalPrivilege 2664 msdcsc.exe Token: 33 2664 msdcsc.exe Token: 34 2664 msdcsc.exe Token: 35 2664 msdcsc.exe Token: 33 2296 vlc.exe Token: SeIncBasePriorityPrivilege 2296 vlc.exe -
Suspicious use of FindShellTrayWindow 63 IoCs
pid Process 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe -
Suspicious use of SendNotifyMessage 5 IoCs
pid Process 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe 2296 vlc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2664 msdcsc.exe 2296 vlc.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2464 wrote to memory of 1992 2464 501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe 30 PID 2464 wrote to memory of 1992 2464 501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe 30 PID 2464 wrote to memory of 1992 2464 501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe 30 PID 2464 wrote to memory of 1992 2464 501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe 30 PID 1992 wrote to memory of 2156 1992 F.EXE 31 PID 1992 wrote to memory of 2156 1992 F.EXE 31 PID 1992 wrote to memory of 2156 1992 F.EXE 31 PID 1992 wrote to memory of 2156 1992 F.EXE 31 PID 1992 wrote to memory of 2864 1992 F.EXE 32 PID 1992 wrote to memory of 2864 1992 F.EXE 32 PID 1992 wrote to memory of 2864 1992 F.EXE 32 PID 1992 wrote to memory of 2864 1992 F.EXE 32 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 1992 wrote to memory of 2712 1992 F.EXE 34 PID 2864 wrote to memory of 2088 2864 cmd.exe 36 PID 2864 wrote to memory of 2088 2864 cmd.exe 36 PID 2864 wrote to memory of 2088 2864 cmd.exe 36 PID 2864 wrote to memory of 2088 2864 cmd.exe 36 PID 2156 wrote to memory of 1852 2156 cmd.exe 37 PID 2156 wrote to memory of 1852 2156 cmd.exe 37 PID 2156 wrote to memory of 1852 2156 cmd.exe 37 PID 2156 wrote to memory of 1852 2156 cmd.exe 37 PID 1992 wrote to memory of 2664 1992 F.EXE 38 PID 1992 wrote to memory of 2664 1992 F.EXE 38 PID 1992 wrote to memory of 2664 1992 F.EXE 38 PID 1992 wrote to memory of 2664 1992 F.EXE 38 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 PID 2664 wrote to memory of 2620 2664 msdcsc.exe 39 -
System policy modification 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" msdcsc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion msdcsc.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 2088 attrib.exe 1852 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe"C:\Users\Admin\AppData\Local\Temp\501377699da121100bc6e9180ecf9471b85264c2ea22641701b7d21995e3c3bb.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Users\Admin\AppData\Local\Temp\F.EXE"C:\Users\Admin\AppData\Local\Temp\F.EXE"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\F.EXE" +s +h3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\F.EXE" +s +h4⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:1852
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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:2864 -
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:2088
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C:\Windows\SysWOW64\notepad.exenotepad3⤵
- System Location Discovery: System Language Discovery
PID:2712
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- 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
- System policy modification
PID:2664 -
C:\Windows\SysWOW64\notepad.exenotepad4⤵
- System Location Discovery: System Language Discovery
PID:2620
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:1724
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\Desktop\PingCompare.js"1⤵
- System Network Configuration Discovery: Internet Connection Discovery
PID:2372
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C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Public\Videos\Sample Videos\Wildlife.wmv"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2296
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
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7Replay Monitor
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Downloads
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Filesize
857KB
MD5c72eec4eb51c62ad455de07d00a77898
SHA10251b8765a12ecb029bae796235e8283f04e96c4
SHA25693435ead1cf9caa1edc3c0018b2a98c05bc0fb44af68331f5562b9aebbae1f80
SHA51231da3b9a762d7a6e512e9cab8d7383e9f855d16e88652b49629ba51ef6f8b93c9032885e89d9ad5af7afad908bce179679883fcea85c86cc15411bae65018322