Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-12-2024 08:58
Behavioral task
behavioral1
Sample
e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
Resource
win7-20240903-en
windows7-x64
23 signatures
120 seconds
General
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Target
e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe
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Size
756KB
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MD5
476f1f46a6e34363a0fc2718effdd319
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SHA1
eefa7c22ae4dc62ebd0315e808bbb2c6a0baaaa6
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SHA256
e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa
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SHA512
c186736a0160683abd3fcaa7203df7031541795b6f39a6166d8e2f098f3c4e0545c5ffb63084148029e81557e369c6c421067dbb72cf448aa7d80df5c7e549df
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SSDEEP
12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hBbHp:eZ1xuVVjfFoynPaVBUR8f+kN10EBHzp
Malware Config
Extracted
Family
darkcomet
Botnet
Guest16
C2
alimuhsin1996.no-ip.org:1604
Mutex
DC_MUTEX-HX4WBAX
Attributes
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InstallPath
MSDCSC\msdcsc.exe
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gencode
47335WtAtC2L
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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:\\Windows\\system32\\MSDCSC\\msdcsc.exe" e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile msdcsc.exe 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 -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" msdcsc.exe -
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-1-5-21-1488793075-819845221-1497111674-1000\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 2752 attrib.exe 1664 attrib.exe -
Deletes itself 1 IoCs
pid Process 2544 notepad.exe -
Executes dropped EXE 1 IoCs
pid Process 2768 msdcsc.exe -
Loads dropped DLL 2 IoCs
pid Process 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe -
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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe" e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe" msdcsc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\MSDCSC\msdcsc.exe e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe File opened for modification C:\Windows\SysWOW64\MSDCSC\msdcsc.exe e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe File opened for modification C:\Windows\SysWOW64\MSDCSC\ e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.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 msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.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 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2768 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeSecurityPrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeTakeOwnershipPrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeLoadDriverPrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeSystemProfilePrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeSystemtimePrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeProfSingleProcessPrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeIncBasePriorityPrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeCreatePagefilePrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeBackupPrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeRestorePrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeShutdownPrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeDebugPrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeSystemEnvironmentPrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeChangeNotifyPrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeRemoteShutdownPrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeUndockPrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeManageVolumePrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeImpersonatePrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeCreateGlobalPrivilege 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: 33 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: 34 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: 35 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe Token: SeIncreaseQuotaPrivilege 2768 msdcsc.exe Token: SeSecurityPrivilege 2768 msdcsc.exe Token: SeTakeOwnershipPrivilege 2768 msdcsc.exe Token: SeLoadDriverPrivilege 2768 msdcsc.exe Token: SeSystemProfilePrivilege 2768 msdcsc.exe Token: SeSystemtimePrivilege 2768 msdcsc.exe Token: SeProfSingleProcessPrivilege 2768 msdcsc.exe Token: SeIncBasePriorityPrivilege 2768 msdcsc.exe Token: SeCreatePagefilePrivilege 2768 msdcsc.exe Token: SeBackupPrivilege 2768 msdcsc.exe Token: SeRestorePrivilege 2768 msdcsc.exe Token: SeShutdownPrivilege 2768 msdcsc.exe Token: SeDebugPrivilege 2768 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2768 msdcsc.exe Token: SeChangeNotifyPrivilege 2768 msdcsc.exe Token: SeRemoteShutdownPrivilege 2768 msdcsc.exe Token: SeUndockPrivilege 2768 msdcsc.exe Token: SeManageVolumePrivilege 2768 msdcsc.exe Token: SeImpersonatePrivilege 2768 msdcsc.exe Token: SeCreateGlobalPrivilege 2768 msdcsc.exe Token: 33 2768 msdcsc.exe Token: 34 2768 msdcsc.exe Token: 35 2768 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2768 msdcsc.exe -
Suspicious use of WriteProcessMemory 61 IoCs
description pid Process procid_target PID 1800 wrote to memory of 1136 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 30 PID 1800 wrote to memory of 1136 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 30 PID 1800 wrote to memory of 1136 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 30 PID 1800 wrote to memory of 1136 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 30 PID 1800 wrote to memory of 1140 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 31 PID 1800 wrote to memory of 1140 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 31 PID 1800 wrote to memory of 1140 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 31 PID 1800 wrote to memory of 1140 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 31 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1800 wrote to memory of 2544 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 32 PID 1136 wrote to memory of 2752 1136 cmd.exe 36 PID 1136 wrote to memory of 2752 1136 cmd.exe 36 PID 1136 wrote to memory of 2752 1136 cmd.exe 36 PID 1136 wrote to memory of 2752 1136 cmd.exe 36 PID 1140 wrote to memory of 1664 1140 cmd.exe 35 PID 1140 wrote to memory of 1664 1140 cmd.exe 35 PID 1140 wrote to memory of 1664 1140 cmd.exe 35 PID 1140 wrote to memory of 1664 1140 cmd.exe 35 PID 1800 wrote to memory of 2768 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 37 PID 1800 wrote to memory of 2768 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 37 PID 1800 wrote to memory of 2768 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 37 PID 1800 wrote to memory of 2768 1800 e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe 37 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 PID 2768 wrote to memory of 2716 2768 msdcsc.exe 38 -
System policy modification 1 TTPs 3 IoCs
description ioc Process 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 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern msdcsc.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 2752 attrib.exe 1664 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe"C:\Users\Admin\AppData\Local\Temp\e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe"1⤵
- 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:1800 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1136 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2752
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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:1140 -
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:1664
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C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2544
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C:\Windows\SysWOW64\MSDCSC\msdcsc.exe"C:\Windows\system32\MSDCSC\msdcsc.exe"2⤵
- 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:2768 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵
- System Location Discovery: System Language Discovery
PID:2716
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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
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
756KB
MD5476f1f46a6e34363a0fc2718effdd319
SHA1eefa7c22ae4dc62ebd0315e808bbb2c6a0baaaa6
SHA256e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa
SHA512c186736a0160683abd3fcaa7203df7031541795b6f39a6166d8e2f098f3c4e0545c5ffb63084148029e81557e369c6c421067dbb72cf448aa7d80df5c7e549df