darkcomet | 38a22130997f3fd2afd7d0773735c729eca349ad93455866ad02543109f4329a

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"	setup-Btc Address Utility.exe

Modifies firewall policy service 3 TTPs 3 IoCs

Modify Registry

Windows Service

Disable or Modify System Firewall

T1562.004

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

Modify Registry

Windows Service

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

Windows security bypass 2 TTPs 2 IoCs

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

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3973800497-2716210218-310192997-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
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
3952	attrib.exe
2160	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
3376	msdcsc.exe

Windows security modification 2 TTPs 2 IoCs

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3973800497-2716210218-310192997-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	setup-Btc Address Utility.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3973800497-2716210218-310192997-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4312-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/files/0x004900000002aae4-6.dat	upx
behavioral2/memory/4312-64-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3376-65-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3376-66-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3376-68-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3376-70-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3376-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3376-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3376-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3376-78-0x0000000000400000-0x00000000004B7000-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 6 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	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	setup-Btc Address Utility.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\	setup-Btc Address Utility.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4312	setup-Btc Address Utility.exe
Token: SeSecurityPrivilege	4312	setup-Btc Address Utility.exe
Token: SeTakeOwnershipPrivilege	4312	setup-Btc Address Utility.exe
Token: SeLoadDriverPrivilege	4312	setup-Btc Address Utility.exe
Token: SeSystemProfilePrivilege	4312	setup-Btc Address Utility.exe
Token: SeSystemtimePrivilege	4312	setup-Btc Address Utility.exe
Token: SeProfSingleProcessPrivilege	4312	setup-Btc Address Utility.exe
Token: SeIncBasePriorityPrivilege	4312	setup-Btc Address Utility.exe
Token: SeCreatePagefilePrivilege	4312	setup-Btc Address Utility.exe
Token: SeBackupPrivilege	4312	setup-Btc Address Utility.exe
Token: SeRestorePrivilege	4312	setup-Btc Address Utility.exe
Token: SeShutdownPrivilege	4312	setup-Btc Address Utility.exe
Token: SeDebugPrivilege	4312	setup-Btc Address Utility.exe
Token: SeSystemEnvironmentPrivilege	4312	setup-Btc Address Utility.exe
Token: SeChangeNotifyPrivilege	4312	setup-Btc Address Utility.exe
Token: SeRemoteShutdownPrivilege	4312	setup-Btc Address Utility.exe
Token: SeUndockPrivilege	4312	setup-Btc Address Utility.exe
Token: SeManageVolumePrivilege	4312	setup-Btc Address Utility.exe
Token: SeImpersonatePrivilege	4312	setup-Btc Address Utility.exe
Token: SeCreateGlobalPrivilege	4312	setup-Btc Address Utility.exe
Token: 33	4312	setup-Btc Address Utility.exe
Token: 34	4312	setup-Btc Address Utility.exe
Token: 35	4312	setup-Btc Address Utility.exe
Token: 36	4312	setup-Btc Address Utility.exe
Token: SeIncreaseQuotaPrivilege	3376	msdcsc.exe
Token: SeSecurityPrivilege	3376	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3376	msdcsc.exe
Token: SeLoadDriverPrivilege	3376	msdcsc.exe
Token: SeSystemProfilePrivilege	3376	msdcsc.exe
Token: SeSystemtimePrivilege	3376	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3376	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3376	msdcsc.exe
Token: SeCreatePagefilePrivilege	3376	msdcsc.exe
Token: SeBackupPrivilege	3376	msdcsc.exe
Token: SeRestorePrivilege	3376	msdcsc.exe
Token: SeShutdownPrivilege	3376	msdcsc.exe
Token: SeDebugPrivilege	3376	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3376	msdcsc.exe
Token: SeChangeNotifyPrivilege	3376	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3376	msdcsc.exe
Token: SeUndockPrivilege	3376	msdcsc.exe
Token: SeManageVolumePrivilege	3376	msdcsc.exe
Token: SeImpersonatePrivilege	3376	msdcsc.exe
Token: SeCreateGlobalPrivilege	3376	msdcsc.exe
Token: 33	3376	msdcsc.exe
Token: 34	3376	msdcsc.exe
Token: 35	3376	msdcsc.exe
Token: 36	3376	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3376	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4312 wrote to memory of 984	4312	setup-Btc Address Utility.exe	77
PID 4312 wrote to memory of 984	4312	setup-Btc Address Utility.exe	77
PID 4312 wrote to memory of 984	4312	setup-Btc Address Utility.exe	77
PID 4312 wrote to memory of 4912	4312	setup-Btc Address Utility.exe	79
PID 4312 wrote to memory of 4912	4312	setup-Btc Address Utility.exe	79
PID 4312 wrote to memory of 4912	4312	setup-Btc Address Utility.exe	79
PID 984 wrote to memory of 3952	984	cmd.exe	81
PID 984 wrote to memory of 3952	984	cmd.exe	81
PID 984 wrote to memory of 3952	984	cmd.exe	81
PID 4912 wrote to memory of 2160	4912	cmd.exe	82
PID 4912 wrote to memory of 2160	4912	cmd.exe	82
PID 4912 wrote to memory of 2160	4912	cmd.exe	82
PID 4312 wrote to memory of 3376	4312	setup-Btc Address Utility.exe	83
PID 4312 wrote to memory of 3376	4312	setup-Btc Address Utility.exe	83
PID 4312 wrote to memory of 3376	4312	setup-Btc Address Utility.exe	83
PID 3376 wrote to memory of 3536	3376	msdcsc.exe	84
PID 3376 wrote to memory of 3536	3376	msdcsc.exe	84
PID 3376 wrote to memory of 3536	3376	msdcsc.exe	84
PID 3376 wrote to memory of 3352	3376	msdcsc.exe	85
PID 3376 wrote to memory of 3352	3376	msdcsc.exe	85

System policy modification 1 TTPs 3 IoCs

Modify Registry

description	ioc	Process
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

Views/modifies file attributes 1 TTPs 2 IoCs

Hidden Files and Directories

T1564.001

pid	Process
3952	attrib.exe
2160	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Bitcoin-Address-Utility-main\Bitcoin-Address-Utility-main\bitcoin address utility\setup-Btc Address Utility.exe
"C:\Users\Admin\AppData\Local\Temp\Bitcoin-Address-Utility-main\Bitcoin-Address-Utility-main\bitcoin address utility\setup-Btc Address Utility.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4312
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\Bitcoin-Address-Utility-main\Bitcoin-Address-Utility-main\bitcoin address utility\setup-Btc Address Utility.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:984
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\Bitcoin-Address-Utility-main\Bitcoin-Address-Utility-main\bitcoin address utility\setup-Btc Address Utility.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3952
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\Bitcoin-Address-Utility-main\Bitcoin-Address-Utility-main\bitcoin address utility" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4912
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\Bitcoin-Address-Utility-main\Bitcoin-Address-Utility-main\bitcoin address utility" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2160
- 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
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:3376
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:3536
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:3352

Network

MITRE ATT&CK Enterprise v15

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