51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569

General

Target

51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
Size

79KB
MD5

6294127e1a7df0a656933e834c570025
SHA1

8e4371b1e30953de0d8ba86ab6f43dea91a305ff
SHA256

51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569
SHA512

43bf4886396783cbb7d7843842258955b337659b8d97417fd61f24d869df96444ff7ce05044de56e7841843eae6ee3d1c0bbe89817d0fe161eb431ad3c4fa8c3
SSDEEP

1536:vri+4dRu8eQEkDsrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2qsf:IdRuGTDsrQLOJgY8Zp8LHD4XWaNH71dj

Score

9^/10

ransomware

Malware Config

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Modifies extensions of user files 6 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\InitializeMount.crw => C:\Users\Admin\Pictures\InitializeMount.crw.lock	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened for modification	C:\Users\Admin\Pictures\InitializeMount.crw.lock	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File renamed	C:\Users\Admin\Pictures\InvokeGrant.raw => C:\Users\Admin\Pictures\InvokeGrant.raw.lock	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened for modification	C:\Users\Admin\Pictures\InvokeGrant.raw.lock	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File renamed	C:\Users\Admin\Pictures\ExitRestore.png => C:\Users\Admin\Pictures\ExitRestore.png.lock	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened for modification	C:\Users\Admin\Pictures\ExitRestore.png.lock	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\R:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\O:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\J:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\K:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\L:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\M:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\E:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\F:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\H:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\B:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\I:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\W:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\T:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\Y:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\U:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\A:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\X:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\V:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\Q:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\N:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\S:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\G:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\Z:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
File opened (read-only)	\??\P:	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe

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

System Information Discovery
T1082

Interacts with shadow copies 2 TTPs 2 IoCs

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

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

pid	Process
772	vssadmin.exe
836	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
948	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	1472	vssvc.exe
Token: SeRestorePrivilege	1472	vssvc.exe
Token: SeAuditPrivilege	1472	vssvc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 1716	948	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe	27
PID 948 wrote to memory of 1716	948	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe	27
PID 948 wrote to memory of 1716	948	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe	27
PID 948 wrote to memory of 1716	948	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe	27
PID 1716 wrote to memory of 836	1716	cmd.exe	29
PID 1716 wrote to memory of 836	1716	cmd.exe	29
PID 1716 wrote to memory of 836	1716	cmd.exe	29
PID 948 wrote to memory of 1904	948	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe	34
PID 948 wrote to memory of 1904	948	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe	34
PID 948 wrote to memory of 1904	948	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe	34
PID 948 wrote to memory of 1904	948	51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe	34
PID 1904 wrote to memory of 772	1904	cmd.exe	35
PID 1904 wrote to memory of 772	1904	cmd.exe	35
PID 1904 wrote to memory of 772	1904	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe
"C:\Users\Admin\AppData\Local\Temp\51c86805e6350412f78a21f197aa00b4c9d4484118dd0261bd03e8539109f569.exe"
1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:948
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1716
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:836
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1904
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:772