e9b99706a9b48b09974dd18c1af8a0e402ccddcaa0c91edf43fdd838128a7408

Analysis

max time kernel
181s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 02:14

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General

Target

20c6d29da875075afa0ed7b4fb58e555de89d4bed13bf5ad109817c593ddd77d.exe
Size

2.0MB
MD5

217c23371f1d91e81beac74a759be045
SHA1

7aa2abe3c6d2decee0bd741198a59db9c92d4cbd
SHA256

20c6d29da875075afa0ed7b4fb58e555de89d4bed13bf5ad109817c593ddd77d
SHA512

5f8f0550b61bfeac6675c7c489cbf5e9d5d85ffe98798499e086d207a63a970aaae81bfb07eed841abff073df2505d6c2e271e01836658d940c6c3e1c62031f5
SSDEEP

49152:cbIZw+8h+93HIyboFW0eqqoD5PyyGBrmM/eZzUBSzPayRxcJ:zb3HlCW0eGIy6r//eZAIWyRxq

Score

9^/10

defense_evasion discovery evasion execution impact ransomware

Malware Config

Signatures

Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 1 IoCs

pid	Process
1736	svchost .exe

Loads dropped DLL 4 IoCs

pid	Process
2372	20c6d29da875075afa0ed7b4fb58e555de89d4bed13bf5ad109817c593ddd77d.exe
2372	20c6d29da875075afa0ed7b4fb58e555de89d4bed13bf5ad109817c593ddd77d.exe
2372	20c6d29da875075afa0ed7b4fb58e555de89d4bed13bf5ad109817c593ddd77d.exe
2372	20c6d29da875075afa0ed7b4fb58e555de89d4bed13bf5ad109817c593ddd77d.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\Desktop\wallpaper	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\Desktop\wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\des1.jpg"	reg.exe

Launches sc.exe 7 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2332	sc.exe
1844	sc.exe
1888	sc.exe
316	sc.exe
2100	sc.exe
664	sc.exe
2312	sc.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 17 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	20c6d29da875075afa0ed7b4fb58e555de89d4bed13bf5ad109817c593ddd77d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost .exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vssadmin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vssadmin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Interacts with shadow copies 3 TTPs 2 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
2720	vssadmin.exe
1756	vssadmin.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2688	vssvc.exe
Token: SeRestorePrivilege	2688	vssvc.exe
Token: SeAuditPrivilege	2688	vssvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 1736	2372	20c6d29da875075afa0ed7b4fb58e555de89d4bed13bf5ad109817c593ddd77d.exe	30
PID 2372 wrote to memory of 1736	2372	20c6d29da875075afa0ed7b4fb58e555de89d4bed13bf5ad109817c593ddd77d.exe	30
PID 2372 wrote to memory of 1736	2372	20c6d29da875075afa0ed7b4fb58e555de89d4bed13bf5ad109817c593ddd77d.exe	30
PID 2372 wrote to memory of 1736	2372	20c6d29da875075afa0ed7b4fb58e555de89d4bed13bf5ad109817c593ddd77d.exe	30
PID 1736 wrote to memory of 2792	1736	svchost .exe	31
PID 1736 wrote to memory of 2792	1736	svchost .exe	31
PID 1736 wrote to memory of 2792	1736	svchost .exe	31
PID 1736 wrote to memory of 2792	1736	svchost .exe	31
PID 2792 wrote to memory of 2960	2792	cmd.exe	33
PID 2792 wrote to memory of 2960	2792	cmd.exe	33
PID 2792 wrote to memory of 2960	2792	cmd.exe	33
PID 2792 wrote to memory of 2960	2792	cmd.exe	33
PID 2792 wrote to memory of 2996	2792	cmd.exe	34
PID 2792 wrote to memory of 2996	2792	cmd.exe	34
PID 2792 wrote to memory of 2996	2792	cmd.exe	34
PID 2792 wrote to memory of 2996	2792	cmd.exe	34
PID 2792 wrote to memory of 2324	2792	cmd.exe	35
PID 2792 wrote to memory of 2324	2792	cmd.exe	35
PID 2792 wrote to memory of 2324	2792	cmd.exe	35
PID 2792 wrote to memory of 2324	2792	cmd.exe	35
PID 2792 wrote to memory of 2816	2792	cmd.exe	36
PID 2792 wrote to memory of 2816	2792	cmd.exe	36
PID 2792 wrote to memory of 2816	2792	cmd.exe	36
PID 2792 wrote to memory of 2816	2792	cmd.exe	36
PID 2792 wrote to memory of 2844	2792	cmd.exe	37
PID 2792 wrote to memory of 2844	2792	cmd.exe	37
PID 2792 wrote to memory of 2844	2792	cmd.exe	37
PID 2792 wrote to memory of 2844	2792	cmd.exe	37
PID 2792 wrote to memory of 2844	2792	cmd.exe	37
PID 2792 wrote to memory of 2844	2792	cmd.exe	37
PID 2792 wrote to memory of 2844	2792	cmd.exe	37
PID 2792 wrote to memory of 2720	2792	cmd.exe	38
PID 2792 wrote to memory of 2720	2792	cmd.exe	38
PID 2792 wrote to memory of 2720	2792	cmd.exe	38
PID 2792 wrote to memory of 2720	2792	cmd.exe	38
PID 2792 wrote to memory of 2100	2792	cmd.exe	40
PID 2792 wrote to memory of 2100	2792	cmd.exe	40
PID 2792 wrote to memory of 2100	2792	cmd.exe	40
PID 2792 wrote to memory of 2100	2792	cmd.exe	40
PID 2792 wrote to memory of 2332	2792	cmd.exe	41
PID 2792 wrote to memory of 2332	2792	cmd.exe	41
PID 2792 wrote to memory of 2332	2792	cmd.exe	41
PID 2792 wrote to memory of 2332	2792	cmd.exe	41
PID 2792 wrote to memory of 2312	2792	cmd.exe	42
PID 2792 wrote to memory of 2312	2792	cmd.exe	42
PID 2792 wrote to memory of 2312	2792	cmd.exe	42
PID 2792 wrote to memory of 2312	2792	cmd.exe	42
PID 2792 wrote to memory of 664	2792	cmd.exe	43
PID 2792 wrote to memory of 664	2792	cmd.exe	43
PID 2792 wrote to memory of 664	2792	cmd.exe	43
PID 2792 wrote to memory of 664	2792	cmd.exe	43
PID 2792 wrote to memory of 316	2792	cmd.exe	44
PID 2792 wrote to memory of 316	2792	cmd.exe	44
PID 2792 wrote to memory of 316	2792	cmd.exe	44
PID 2792 wrote to memory of 316	2792	cmd.exe	44
PID 2792 wrote to memory of 1844	2792	cmd.exe	45
PID 2792 wrote to memory of 1844	2792	cmd.exe	45
PID 2792 wrote to memory of 1844	2792	cmd.exe	45
PID 2792 wrote to memory of 1844	2792	cmd.exe	45
PID 2792 wrote to memory of 1888	2792	cmd.exe	46
PID 2792 wrote to memory of 1888	2792	cmd.exe	46
PID 2792 wrote to memory of 1888	2792	cmd.exe	46
PID 2792 wrote to memory of 1888	2792	cmd.exe	46
PID 2792 wrote to memory of 1756	2792	cmd.exe	47

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

C:\Users\Admin\AppData\Local\Temp\20c6d29da875075afa0ed7b4fb58e555de89d4bed13bf5ad109817c593ddd77d.exe
"C:\Users\Admin\AppData\Local\Temp\20c6d29da875075afa0ed7b4fb58e555de89d4bed13bf5ad109817c593ddd77d.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Roaming\svchost .exe
  "C:\Users\Admin\AppData\Roaming\svchost .exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1736
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Roaming\desk.bat"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2792
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCU\control panel\desktop" /v wallpaper /t REG_SZ /d "" /f
      4⤵
      Sets desktop wallpaper using registry
      System Location Discovery: System Language Discovery
      PID:2960
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCU\control panel\desktop" /v wallpaper /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\des1.jpg" /f
      4⤵
      Sets desktop wallpaper using registry
      System Location Discovery: System Language Discovery
      PID:2996
  - - C:\Windows\SysWOW64\reg.exe
      reg delete "HKCU\Software\Microsoft\Internet Explorer\Desktop\General" /v WallpaperStyle /f
      4⤵
      System Location Discovery: System Language Discovery
      PID:2324
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCU\control panel\desktop" /v WallpaperStyle /t REG_SZ /d 2 /f
      4⤵
      System Location Discovery: System Language Discovery
      PID:2816
  - - C:\Windows\SysWOW64\rundll32.exe
      RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters
      4⤵
      System Location Discovery: System Language Discovery
      PID:2844
  - - C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      4⤵
      System Location Discovery: System Language Discovery
      Interacts with shadow copies
      PID:2720
  - - C:\Windows\SysWOW64\sc.exe
      sc stop VVS
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2100
  - - C:\Windows\SysWOW64\sc.exe
      sc stop wscsvc
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2332
  - - C:\Windows\SysWOW64\sc.exe
      sc stop WinDefend
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2312
  - - C:\Windows\SysWOW64\sc.exe
      sc stop wuauserv
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:664
  - - C:\Windows\SysWOW64\sc.exe
      sc stop BITS
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:316
  - - C:\Windows\SysWOW64\sc.exe
      sc stop ERSvc
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:1844
  - - C:\Windows\SysWOW64\sc.exe
      sc stop WerSvc
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:1888
  - - C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      4⤵
      System Location Discovery: System Language Discovery
      Interacts with shadow copies
      PID:1756

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Windows Management Instrumentation

T1047

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Direct Volume Access

T1006

Impair Defenses

T1562

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact