darkcomet | 5c2b4e2807ae47b64c730470b31b356e9ec7d5076cf2a273582ef65d05659221

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"	Crypted.exe

Modifies firewall policy service 3 TTPs 6 IoCs

Modify Registry

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	Crypted.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\DoNotAllowExceptions = "0"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	msdcsc.exe

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality
Sality family
sality

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Crypted.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	msdcsc.exe

Disables Task Manager via registry modification
defense_evasion

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

Hidden Files and Directories

T1564.001

pid	Process
980	attrib.exe

Executes dropped EXE 2 IoCs

pid	Process
2300	Crypted.exe
2728	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2300	Crypted.exe
2300	Crypted.exe

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	Crypted.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	msdcsc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	Crypted.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	msdcsc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2728 set thread context of 592	2728	msdcsc.exe	34

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000016c9d-10.dat	upx
behavioral1/memory/2300-13-0x0000000000400000-0x00000000004DC000-memory.dmp	upx
behavioral1/memory/2300-21-0x0000000002020000-0x00000000030AE000-memory.dmp	upx
behavioral1/memory/2300-20-0x0000000002020000-0x00000000030AE000-memory.dmp	upx
behavioral1/memory/2300-40-0x0000000002020000-0x00000000030AE000-memory.dmp	upx
behavioral1/memory/2300-41-0x0000000002020000-0x00000000030AE000-memory.dmp	upx
behavioral1/memory/2300-63-0x0000000002020000-0x00000000030AE000-memory.dmp	upx
behavioral1/memory/2300-39-0x0000000002020000-0x00000000030AE000-memory.dmp	upx
behavioral1/memory/2300-78-0x0000000000400000-0x00000000004DC000-memory.dmp	upx
behavioral1/memory/2728-79-0x00000000020A0000-0x000000000312E000-memory.dmp	upx
behavioral1/memory/2728-75-0x0000000000400000-0x00000000004DC000-memory.dmp	upx
behavioral1/memory/2728-81-0x00000000020A0000-0x000000000312E000-memory.dmp	upx
behavioral1/memory/2728-82-0x00000000020A0000-0x000000000312E000-memory.dmp	upx
behavioral1/memory/2728-85-0x00000000020A0000-0x000000000312E000-memory.dmp	upx
behavioral1/memory/2728-123-0x0000000000400000-0x00000000004DC000-memory.dmp	upx
behavioral1/memory/2728-84-0x00000000020A0000-0x000000000312E000-memory.dmp	upx
behavioral1/memory/2728-83-0x00000000020A0000-0x000000000312E000-memory.dmp	upx
behavioral1/memory/2728-116-0x00000000020A0000-0x000000000312E000-memory.dmp	upx
behavioral1/memory/592-113-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2300-18-0x0000000002020000-0x00000000030AE000-memory.dmp	upx
behavioral1/memory/2300-22-0x0000000002020000-0x00000000030AE000-memory.dmp	upx
behavioral1/memory/2300-19-0x0000000002020000-0x00000000030AE000-memory.dmp	upx
behavioral1/memory/2300-17-0x0000000002020000-0x00000000030AE000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	Crypted.exe

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 5 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	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Crypted.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2300	Crypted.exe
2728	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeIncreaseQuotaPrivilege	2300	Crypted.exe
Token: SeSecurityPrivilege	2300	Crypted.exe
Token: SeTakeOwnershipPrivilege	2300	Crypted.exe
Token: SeLoadDriverPrivilege	2300	Crypted.exe
Token: SeSystemProfilePrivilege	2300	Crypted.exe
Token: SeSystemtimePrivilege	2300	Crypted.exe
Token: SeProfSingleProcessPrivilege	2300	Crypted.exe
Token: SeIncBasePriorityPrivilege	2300	Crypted.exe
Token: SeCreatePagefilePrivilege	2300	Crypted.exe
Token: SeBackupPrivilege	2300	Crypted.exe
Token: SeRestorePrivilege	2300	Crypted.exe
Token: SeShutdownPrivilege	2300	Crypted.exe
Token: SeDebugPrivilege	2300	Crypted.exe
Token: SeSystemEnvironmentPrivilege	2300	Crypted.exe
Token: SeChangeNotifyPrivilege	2300	Crypted.exe
Token: SeRemoteShutdownPrivilege	2300	Crypted.exe
Token: SeUndockPrivilege	2300	Crypted.exe
Token: SeManageVolumePrivilege	2300	Crypted.exe
Token: SeImpersonatePrivilege	2300	Crypted.exe
Token: SeCreateGlobalPrivilege	2300	Crypted.exe
Token: 33	2300	Crypted.exe
Token: 34	2300	Crypted.exe
Token: 35	2300	Crypted.exe
Token: SeDebugPrivilege	2728	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	2728	msdcsc.exe
Token: SeSecurityPrivilege	2728	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2728	msdcsc.exe
Token: SeLoadDriverPrivilege	2728	msdcsc.exe
Token: SeSystemProfilePrivilege	2728	msdcsc.exe
Token: SeSystemtimePrivilege	2728	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2728	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2728	msdcsc.exe
Token: SeCreatePagefilePrivilege	2728	msdcsc.exe
Token: SeBackupPrivilege	2728	msdcsc.exe
Token: SeRestorePrivilege	2728	msdcsc.exe
Token: SeShutdownPrivilege	2728	msdcsc.exe
Token: SeDebugPrivilege	2728	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2728	msdcsc.exe
Token: SeChangeNotifyPrivilege	2728	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2728	msdcsc.exe
Token: SeUndockPrivilege	2728	msdcsc.exe
Token: SeManageVolumePrivilege	2728	msdcsc.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2300	1972	JaffaCakes118_8d906b9ed7ab800c234db4f13fb173ec.exe	30
PID 1972 wrote to memory of 2300	1972	JaffaCakes118_8d906b9ed7ab800c234db4f13fb173ec.exe	30
PID 1972 wrote to memory of 2300	1972	JaffaCakes118_8d906b9ed7ab800c234db4f13fb173ec.exe	30
PID 1972 wrote to memory of 2300	1972	JaffaCakes118_8d906b9ed7ab800c234db4f13fb173ec.exe	30
PID 2300 wrote to memory of 1116	2300	Crypted.exe	19
PID 2300 wrote to memory of 1180	2300	Crypted.exe	20
PID 2300 wrote to memory of 1212	2300	Crypted.exe	21
PID 2300 wrote to memory of 1500	2300	Crypted.exe	23
PID 2300 wrote to memory of 1972	2300	Crypted.exe	29
PID 2300 wrote to memory of 2684	2300	Crypted.exe	31
PID 2300 wrote to memory of 2684	2300	Crypted.exe	31
PID 2300 wrote to memory of 2684	2300	Crypted.exe	31
PID 2300 wrote to memory of 2684	2300	Crypted.exe	31
PID 2300 wrote to memory of 2728	2300	Crypted.exe	32
PID 2300 wrote to memory of 2728	2300	Crypted.exe	32
PID 2300 wrote to memory of 2728	2300	Crypted.exe	32
PID 2300 wrote to memory of 2728	2300	Crypted.exe	32
PID 2728 wrote to memory of 1116	2728	msdcsc.exe	19
PID 2728 wrote to memory of 1180	2728	msdcsc.exe	20
PID 2728 wrote to memory of 1212	2728	msdcsc.exe	21
PID 2728 wrote to memory of 1500	2728	msdcsc.exe	23
PID 2728 wrote to memory of 2684	2728	msdcsc.exe	31
PID 2728 wrote to memory of 2684	2728	msdcsc.exe	31
PID 2728 wrote to memory of 2592	2728	msdcsc.exe	33
PID 2728 wrote to memory of 592	2728	msdcsc.exe	34
PID 2728 wrote to memory of 592	2728	msdcsc.exe	34
PID 2728 wrote to memory of 592	2728	msdcsc.exe	34
PID 2728 wrote to memory of 592	2728	msdcsc.exe	34
PID 2728 wrote to memory of 592	2728	msdcsc.exe	34
PID 2728 wrote to memory of 592	2728	msdcsc.exe	34
PID 2684 wrote to memory of 980	2684	cmd.exe	35
PID 2684 wrote to memory of 980	2684	cmd.exe	35
PID 2684 wrote to memory of 980	2684	cmd.exe	35
PID 2684 wrote to memory of 980	2684	cmd.exe	35

System policy modification 1 TTPs 2 IoCs

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Crypted.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	msdcsc.exe

Views/modifies file attributes 1 TTPs 1 IoCs

Hidden Files and Directories

T1564.001

pid	Process
980	attrib.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d906b9ed7ab800c234db4f13fb173ec.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d906b9ed7ab800c234db4f13fb173ec.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Users\Admin\AppData\Local\Temp\Crypted.exe
    "C:\Users\Admin\AppData\Local\Temp\Crypted.exe"
    3⤵
    - Modifies WinLogon for persistence
    - Modifies firewall policy service
    - UAC bypass
    - Windows security bypass
    - Executes dropped EXE
    - Loads dropped DLL
    - Windows security modification
    - Adds Run key to start application
    - Checks whether UAC is enabled
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:2300
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2684
    - - C:\Windows\SysWOW64\attrib.exe
        
        attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        5⤵
        Sets file to hidden
        System Location Discovery: System Language Discovery
        Views/modifies file attributes
        
        PID:980
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      4⤵
      Modifies firewall policy service
      UAC bypass
      Windows security bypass
      Executes dropped EXE
      Windows security modification
      Adds Run key to start application
      Checks whether UAC is enabled
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:2728
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:592

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1500

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "1605492906-110174581-1538989834630409091538511656152641505-456252145815715391"
1⤵
PID:2592

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

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

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

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry