Analysis
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max time kernel
119s -
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
16-12-2024 07:26
Behavioral task
behavioral1
Sample
142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe
Resource
win7-20240903-en
windows7-x64
16 signatures
120 seconds
General
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Target
142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe
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Size
713KB
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MD5
eacdf44b3ff0b6fe78b5c340a10ceeb0
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SHA1
87869f32f95413333f348dc861fefc0b0a7217ce
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SHA256
142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5feb
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SHA512
cee8bbb1266d068ef094c7fa4044a66dd2483c2e744ac6dadb3dedddb6d8cdfb300796ff1d72bdd347c917690f7f096edb8cc59c434b720c1551de18d0ae292c
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SSDEEP
12288:29AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKl6/:MAQ6Zx9cxTmOrucTIEFSpOG7/
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:\\Windupdt\\winupdate.exe" 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" explorer.exe -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" explorer.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" explorer.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" notepad.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3092 set thread context of 1572 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 4 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 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1572 explorer.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeSecurityPrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeTakeOwnershipPrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeLoadDriverPrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeSystemProfilePrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeSystemtimePrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeProfSingleProcessPrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeIncBasePriorityPrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeCreatePagefilePrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeBackupPrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeRestorePrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeShutdownPrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeDebugPrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeSystemEnvironmentPrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeChangeNotifyPrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeRemoteShutdownPrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeUndockPrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeManageVolumePrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeImpersonatePrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeCreateGlobalPrivilege 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: 33 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: 34 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: 35 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: 36 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe Token: SeIncreaseQuotaPrivilege 1572 explorer.exe Token: SeSecurityPrivilege 1572 explorer.exe Token: SeTakeOwnershipPrivilege 1572 explorer.exe Token: SeLoadDriverPrivilege 1572 explorer.exe Token: SeSystemProfilePrivilege 1572 explorer.exe Token: SeSystemtimePrivilege 1572 explorer.exe Token: SeProfSingleProcessPrivilege 1572 explorer.exe Token: SeIncBasePriorityPrivilege 1572 explorer.exe Token: SeCreatePagefilePrivilege 1572 explorer.exe Token: SeBackupPrivilege 1572 explorer.exe Token: SeRestorePrivilege 1572 explorer.exe Token: SeShutdownPrivilege 1572 explorer.exe Token: SeDebugPrivilege 1572 explorer.exe Token: SeSystemEnvironmentPrivilege 1572 explorer.exe Token: SeChangeNotifyPrivilege 1572 explorer.exe Token: SeRemoteShutdownPrivilege 1572 explorer.exe Token: SeUndockPrivilege 1572 explorer.exe Token: SeManageVolumePrivilege 1572 explorer.exe Token: SeImpersonatePrivilege 1572 explorer.exe Token: SeCreateGlobalPrivilege 1572 explorer.exe Token: 33 1572 explorer.exe Token: 34 1572 explorer.exe Token: 35 1572 explorer.exe Token: 36 1572 explorer.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1572 explorer.exe -
Suspicious use of WriteProcessMemory 50 IoCs
description pid Process procid_target PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1068 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 82 PID 3092 wrote to memory of 1572 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 83 PID 3092 wrote to memory of 1572 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 83 PID 3092 wrote to memory of 1572 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 83 PID 3092 wrote to memory of 1572 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 83 PID 3092 wrote to memory of 1572 3092 142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe 83 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84 PID 1572 wrote to memory of 116 1572 explorer.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe"C:\Users\Admin\AppData\Local\Temp\142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5febN.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3092 -
C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:1068
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1572 -
C:\Windows\SysWOW64\notepad.exeC:\Windows\SysWOW64\notepad.exe3⤵
- System Location Discovery: System Language Discovery
PID:116
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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
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
Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
5Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
713KB
MD5eacdf44b3ff0b6fe78b5c340a10ceeb0
SHA187869f32f95413333f348dc861fefc0b0a7217ce
SHA256142d431993574c78acde528bb6469d3c80e49ee47572d7ff9f088df69e4f5feb
SHA512cee8bbb1266d068ef094c7fa4044a66dd2483c2e744ac6dadb3dedddb6d8cdfb300796ff1d72bdd347c917690f7f096edb8cc59c434b720c1551de18d0ae292c