lumma | 474fbd180a26139e8013595adedc0ce2bb434677ae667093f86d4a59b11c7045

Peripheral Device Discovery

System Information Discovery

Processes:

msiexec.exemsiexec.exe

description	ioc	Process
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

System Information Discovery

persistence privilege_escalation

Processes:

CPPlayer.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	CPPlayer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	CPPlayer.exe

Drops file in Windows directory 8 IoCs

Processes:

msiexec.exe

description	ioc	Process
File created	C:\Windows\Installer\SourceHash{DCE33C24-54AC-4134-8C0C-AA3D26865F9C}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB7C7.tmp	msiexec.exe
File created	C:\Windows\Installer\e57b596.msi	msiexec.exe
File created	C:\Windows\Installer\e57b594.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e57b594.msi	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe

Executes dropped EXE 2 IoCs

Processes:

CPPlayer.exeCPPlayer.exe

pid	Process
4708	CPPlayer.exe
4960	CPPlayer.exe

Loads dropped DLL 56 IoCs

Processes:

CPPlayer.exeCPPlayer.exe

pid	Process
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4708	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe
4960	CPPlayer.exe

Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs

Installer Packages

T1546.016

Msiexec

T1218.007

Processes:

msiexec.exe

pid	Process
2632	msiexec.exe

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.

discovery

System Language Discovery

T1614.001

Processes:

CPPlayer.exeCPPlayer.execmd.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CPPlayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CPPlayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

System Information Discovery

Processes:

vssvc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

msiexec.exepowershell.exe

pid	Process
444	msiexec.exe
444	msiexec.exe
1784	powershell.exe
1784	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

msiexec.exemsiexec.exevssvc.exe

description	pid	Process
Token: SeShutdownPrivilege	2632	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2632	msiexec.exe
Token: SeSecurityPrivilege	444	msiexec.exe
Token: SeCreateTokenPrivilege	2632	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2632	msiexec.exe
Token: SeLockMemoryPrivilege	2632	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2632	msiexec.exe
Token: SeMachineAccountPrivilege	2632	msiexec.exe
Token: SeTcbPrivilege	2632	msiexec.exe
Token: SeSecurityPrivilege	2632	msiexec.exe
Token: SeTakeOwnershipPrivilege	2632	msiexec.exe
Token: SeLoadDriverPrivilege	2632	msiexec.exe
Token: SeSystemProfilePrivilege	2632	msiexec.exe
Token: SeSystemtimePrivilege	2632	msiexec.exe
Token: SeProfSingleProcessPrivilege	2632	msiexec.exe
Token: SeIncBasePriorityPrivilege	2632	msiexec.exe
Token: SeCreatePagefilePrivilege	2632	msiexec.exe
Token: SeCreatePermanentPrivilege	2632	msiexec.exe
Token: SeBackupPrivilege	2632	msiexec.exe
Token: SeRestorePrivilege	2632	msiexec.exe
Token: SeShutdownPrivilege	2632	msiexec.exe
Token: SeDebugPrivilege	2632	msiexec.exe
Token: SeAuditPrivilege	2632	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2632	msiexec.exe
Token: SeChangeNotifyPrivilege	2632	msiexec.exe
Token: SeRemoteShutdownPrivilege	2632	msiexec.exe
Token: SeUndockPrivilege	2632	msiexec.exe
Token: SeSyncAgentPrivilege	2632	msiexec.exe
Token: SeEnableDelegationPrivilege	2632	msiexec.exe
Token: SeManageVolumePrivilege	2632	msiexec.exe
Token: SeImpersonatePrivilege	2632	msiexec.exe
Token: SeCreateGlobalPrivilege	2632	msiexec.exe
Token: SeBackupPrivilege	3024	vssvc.exe
Token: SeRestorePrivilege	3024	vssvc.exe
Token: SeAuditPrivilege	3024	vssvc.exe
Token: SeBackupPrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe
Token: SeTakeOwnershipPrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe
Token: SeTakeOwnershipPrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe
Token: SeTakeOwnershipPrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe
Token: SeTakeOwnershipPrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe
Token: SeTakeOwnershipPrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe
Token: SeTakeOwnershipPrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe
Token: SeTakeOwnershipPrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe
Token: SeTakeOwnershipPrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe
Token: SeTakeOwnershipPrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe
Token: SeTakeOwnershipPrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe
Token: SeTakeOwnershipPrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe
Token: SeTakeOwnershipPrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe
Token: SeTakeOwnershipPrivilege	444	msiexec.exe
Token: SeRestorePrivilege	444	msiexec.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

msiexec.exeCPPlayer.exe

pid	Process
2632	msiexec.exe
2632	msiexec.exe
4708	CPPlayer.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

msiexec.exeCPPlayer.execmd.exe

description	pid	Process	procid_target
PID 444 wrote to memory of 4860	444	msiexec.exe	93
PID 444 wrote to memory of 4860	444	msiexec.exe	93
PID 444 wrote to memory of 4708	444	msiexec.exe	97
PID 444 wrote to memory of 4708	444	msiexec.exe	97
PID 444 wrote to memory of 4708	444	msiexec.exe	97
PID 4708 wrote to memory of 4960	4708	CPPlayer.exe	107
PID 4708 wrote to memory of 4960	4708	CPPlayer.exe	107
PID 4708 wrote to memory of 4960	4708	CPPlayer.exe	107
PID 4708 wrote to memory of 1312	4708	CPPlayer.exe	110
PID 4708 wrote to memory of 1312	4708	CPPlayer.exe	110
PID 4708 wrote to memory of 1312	4708	CPPlayer.exe	110
PID 1312 wrote to memory of 1784	1312	cmd.exe	112
PID 1312 wrote to memory of 1784	1312	cmd.exe	112
PID 1312 wrote to memory of 1784	1312	cmd.exe	112

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\474fbd180a26139e8013595adedc0ce2bb434677ae667093f86d4a59b11c7045.msi
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2632

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:444
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4860
- C:\Users\Admin\AppData\Local\Programs\WinIcon Maker Free\CPPlayer.exe
  "C:\Users\Admin\AppData\Local\Programs\WinIcon Maker Free\CPPlayer.exe"
  2⤵
  - Adds Run key to start application
  - Maps connected drives based on registry
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4708
- - C:\Users\Admin\AppData\Local\Programs\WinIcon Maker Free\CPPlayer.exe
    "C:\Users\Admin\AppData\Local\Programs\WinIcon Maker Free\CPPlayer.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4960
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Programs\WinIcon Maker Free\CPPlayer.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1312
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Programs\WinIcon Maker Free\CPPlayer.exe"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:1784

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:3024

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4ec 0x510
1⤵
PID:3116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Installer Packages

T1546.016

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Installer Packages

T1546.016

Defense Evasion

Modify Registry

T1112

System Binary Proxy Execution

T1218

Msiexec

T1218.007

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery