darkcomet | 6805b3c7c5234bd7f0fdc6355fddbb53152f605865d96deb5ed115b67baff445

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"	apache.exe

Modifies firewall policy service 3 TTPs 6 IoCs

Modify Registry

Windows Service

Disable or Modify System Firewall

T1562.004

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
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 2 IoCs

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	msdcsc.exe

Windows security bypass 2 TTPs 4 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe

Disables RegEdit via registry modification 2 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
defense_evasion

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

Hidden Files and Directories

T1564.001

pid	Process
3272	attrib.exe
264	attrib.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\Control Panel\International\Geo\Nation	apache.exe

Executes dropped EXE 2 IoCs

pid	Process
5228	msdcsc.exe
5476	msdcsc.exe

Windows security modification 2 TTPs 4 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

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
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 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	apache.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

UPX packed file 40 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral9/memory/4764-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/4764-2-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/files/0x0008000000024326-7.dat	upx
behavioral9/memory/5228-56-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-57-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5476-60-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/4764-61-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-63-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-64-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-65-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-66-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-67-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-68-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-69-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-70-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-71-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-78-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-79-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-80-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-81-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral9/memory/5228-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
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	msdcsc.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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	apache.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\	apache.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5228	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4764	apache.exe
Token: SeSecurityPrivilege	4764	apache.exe
Token: SeTakeOwnershipPrivilege	4764	apache.exe
Token: SeLoadDriverPrivilege	4764	apache.exe
Token: SeSystemProfilePrivilege	4764	apache.exe
Token: SeSystemtimePrivilege	4764	apache.exe
Token: SeProfSingleProcessPrivilege	4764	apache.exe
Token: SeIncBasePriorityPrivilege	4764	apache.exe
Token: SeCreatePagefilePrivilege	4764	apache.exe
Token: SeBackupPrivilege	4764	apache.exe
Token: SeRestorePrivilege	4764	apache.exe
Token: SeShutdownPrivilege	4764	apache.exe
Token: SeDebugPrivilege	4764	apache.exe
Token: SeSystemEnvironmentPrivilege	4764	apache.exe
Token: SeChangeNotifyPrivilege	4764	apache.exe
Token: SeRemoteShutdownPrivilege	4764	apache.exe
Token: SeUndockPrivilege	4764	apache.exe
Token: SeManageVolumePrivilege	4764	apache.exe
Token: SeImpersonatePrivilege	4764	apache.exe
Token: SeCreateGlobalPrivilege	4764	apache.exe
Token: 33	4764	apache.exe
Token: 34	4764	apache.exe
Token: 35	4764	apache.exe
Token: 36	4764	apache.exe
Token: SeIncreaseQuotaPrivilege	5228	msdcsc.exe
Token: SeSecurityPrivilege	5228	msdcsc.exe
Token: SeTakeOwnershipPrivilege	5228	msdcsc.exe
Token: SeLoadDriverPrivilege	5228	msdcsc.exe
Token: SeSystemProfilePrivilege	5228	msdcsc.exe
Token: SeSystemtimePrivilege	5228	msdcsc.exe
Token: SeProfSingleProcessPrivilege	5228	msdcsc.exe
Token: SeIncBasePriorityPrivilege	5228	msdcsc.exe
Token: SeCreatePagefilePrivilege	5228	msdcsc.exe
Token: SeBackupPrivilege	5228	msdcsc.exe
Token: SeRestorePrivilege	5228	msdcsc.exe
Token: SeShutdownPrivilege	5228	msdcsc.exe
Token: SeDebugPrivilege	5228	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	5228	msdcsc.exe
Token: SeChangeNotifyPrivilege	5228	msdcsc.exe
Token: SeRemoteShutdownPrivilege	5228	msdcsc.exe
Token: SeUndockPrivilege	5228	msdcsc.exe
Token: SeManageVolumePrivilege	5228	msdcsc.exe
Token: SeImpersonatePrivilege	5228	msdcsc.exe
Token: SeCreateGlobalPrivilege	5228	msdcsc.exe
Token: 33	5228	msdcsc.exe
Token: 34	5228	msdcsc.exe
Token: 35	5228	msdcsc.exe
Token: 36	5228	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	5476	msdcsc.exe
Token: SeSecurityPrivilege	5476	msdcsc.exe
Token: SeTakeOwnershipPrivilege	5476	msdcsc.exe
Token: SeLoadDriverPrivilege	5476	msdcsc.exe
Token: SeSystemProfilePrivilege	5476	msdcsc.exe
Token: SeSystemtimePrivilege	5476	msdcsc.exe
Token: SeProfSingleProcessPrivilege	5476	msdcsc.exe
Token: SeIncBasePriorityPrivilege	5476	msdcsc.exe
Token: SeCreatePagefilePrivilege	5476	msdcsc.exe
Token: SeBackupPrivilege	5476	msdcsc.exe
Token: SeRestorePrivilege	5476	msdcsc.exe
Token: SeShutdownPrivilege	5476	msdcsc.exe
Token: SeDebugPrivilege	5476	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	5476	msdcsc.exe
Token: SeChangeNotifyPrivilege	5476	msdcsc.exe
Token: SeRemoteShutdownPrivilege	5476	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5228	msdcsc.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 5480	4764	apache.exe	84
PID 4764 wrote to memory of 5480	4764	apache.exe	84
PID 4764 wrote to memory of 5480	4764	apache.exe	84
PID 4764 wrote to memory of 1956	4764	apache.exe	86
PID 4764 wrote to memory of 1956	4764	apache.exe	86
PID 4764 wrote to memory of 1956	4764	apache.exe	86
PID 5480 wrote to memory of 3272	5480	cmd.exe	88
PID 5480 wrote to memory of 3272	5480	cmd.exe	88
PID 5480 wrote to memory of 3272	5480	cmd.exe	88
PID 1956 wrote to memory of 264	1956	cmd.exe	89
PID 1956 wrote to memory of 264	1956	cmd.exe	89
PID 1956 wrote to memory of 264	1956	cmd.exe	89
PID 4764 wrote to memory of 5476	4764	apache.exe	92
PID 4764 wrote to memory of 5476	4764	apache.exe	92
PID 4764 wrote to memory of 5476	4764	apache.exe	92
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93
PID 5228 wrote to memory of 3640	5228	msdcsc.exe	93

System policy modification 1 TTPs 6 IoCs

Modify Registry

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
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

Hidden Files and Directories

T1564.001

pid	Process
3272	attrib.exe
264	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Malware-1-master\apache.exe
"C:\Users\Admin\AppData\Local\Temp\Malware-1-master\apache.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:4764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\Malware-1-master\apache.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5480
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\Malware-1-master\apache.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3272
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\Malware-1-master" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\Malware-1-master" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:264
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\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 use of AdjustPrivilegeToken
  - System policy modification
  PID:5476

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
1⤵
- 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:5228
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3640

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry