8e7393013f240334efe2ca52c8a3554628c479becab2b691d114e1e8b3ccd51d

General

Target

svchost.exe
Size

213KB
MD5

39f34aa65e3a95a53f3ec0675fc37905
SHA1

b8206089a3841464c72ee695951854dfe08a82cd
SHA256

8e7393013f240334efe2ca52c8a3554628c479becab2b691d114e1e8b3ccd51d
SHA512

7c45d8ba6f080cccaaa3c663d44a796c077f786f48cd392bcb9fa7e60d3b424aa90ecb1ed3c1c810b1607610db42a59eb0a9cc452579e454ca6443b2b249b2cb

Score

9^/10

discovery 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
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046
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 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Processes:

vssadmin.exe

pid process

2036 vssadmin.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

svchost.exe

pid process

1672 svchost.exe

pid	process
2036	vssadmin.exe

pid	process
1672	svchost.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

Processes:

WMIC.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	552	WMIC.exe
Token: SeSecurityPrivilege	552	WMIC.exe
Token: SeTakeOwnershipPrivilege	552	WMIC.exe
Token: SeLoadDriverPrivilege	552	WMIC.exe
Token: SeSystemProfilePrivilege	552	WMIC.exe
Token: SeSystemtimePrivilege	552	WMIC.exe
Token: SeProfSingleProcessPrivilege	552	WMIC.exe
Token: SeIncBasePriorityPrivilege	552	WMIC.exe
Token: SeCreatePagefilePrivilege	552	WMIC.exe
Token: SeBackupPrivilege	552	WMIC.exe
Token: SeRestorePrivilege	552	WMIC.exe
Token: SeShutdownPrivilege	552	WMIC.exe
Token: SeDebugPrivilege	552	WMIC.exe
Token: SeSystemEnvironmentPrivilege	552	WMIC.exe
Token: SeRemoteShutdownPrivilege	552	WMIC.exe
Token: SeUndockPrivilege	552	WMIC.exe
Token: SeManageVolumePrivilege	552	WMIC.exe
Token: 33	552	WMIC.exe
Token: 34	552	WMIC.exe
Token: 35	552	WMIC.exe
Token: SeBackupPrivilege	1636	vssvc.exe
Token: SeRestorePrivilege	1636	vssvc.exe
Token: SeAuditPrivilege	1636	vssvc.exe
Token: SeIncreaseQuotaPrivilege	552	WMIC.exe
Token: SeSecurityPrivilege	552	WMIC.exe
Token: SeTakeOwnershipPrivilege	552	WMIC.exe
Token: SeLoadDriverPrivilege	552	WMIC.exe
Token: SeSystemProfilePrivilege	552	WMIC.exe
Token: SeSystemtimePrivilege	552	WMIC.exe
Token: SeProfSingleProcessPrivilege	552	WMIC.exe
Token: SeIncBasePriorityPrivilege	552	WMIC.exe
Token: SeCreatePagefilePrivilege	552	WMIC.exe
Token: SeBackupPrivilege	552	WMIC.exe
Token: SeRestorePrivilege	552	WMIC.exe
Token: SeShutdownPrivilege	552	WMIC.exe
Token: SeDebugPrivilege	552	WMIC.exe
Token: SeSystemEnvironmentPrivilege	552	WMIC.exe
Token: SeRemoteShutdownPrivilege	552	WMIC.exe
Token: SeUndockPrivilege	552	WMIC.exe
Token: SeManageVolumePrivilege	552	WMIC.exe
Token: 33	552	WMIC.exe
Token: 34	552	WMIC.exe
Token: 35	552	WMIC.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

svchost.execmd.execmd.exe

description	pid	process	target process
PID 1672 wrote to memory of 1996	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1996	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1996	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1996	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1232	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1232	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1232	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1232	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1280	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1280	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1280	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1280	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 2044	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 2044	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 2044	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 2044	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1764	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1764	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1764	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1764	1672	svchost.exe	cmd.exe
PID 1996 wrote to memory of 2036	1996	cmd.exe	vssadmin.exe
PID 1996 wrote to memory of 2036	1996	cmd.exe	vssadmin.exe
PID 1996 wrote to memory of 2036	1996	cmd.exe	vssadmin.exe
PID 1996 wrote to memory of 2036	1996	cmd.exe	vssadmin.exe
PID 1672 wrote to memory of 1168	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1168	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1168	1672	svchost.exe	cmd.exe
PID 1672 wrote to memory of 1168	1672	svchost.exe	cmd.exe
PID 2044 wrote to memory of 552	2044	cmd.exe	WMIC.exe
PID 2044 wrote to memory of 552	2044	cmd.exe	WMIC.exe
PID 2044 wrote to memory of 552	2044	cmd.exe	WMIC.exe
PID 2044 wrote to memory of 552	2044	cmd.exe	WMIC.exe

C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "vssadmin delete shadows /all /quiet"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Windows\SysWOW64\vssadmin.exe
    vssadmin delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "wbadmin DELETE SYSTEMSTATEBACKUP -keepVersions:0"
  2⤵
  PID:1232
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "wbadmin DELETE BACKUP -keepVersions:0"
  2⤵
  PID:1280
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "wmic SHADOWCOPY DELETE"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2044
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic SHADOWCOPY DELETE
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:552
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "bcdedit /set {default} recoveryenabled No"
  2⤵
  PID:1764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "bcdedit /set {default} bootstatuspolicy ignoreallfailures"
  2⤵
  PID:1168

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Credential Access

Discovery

Network Service Scanning

1

T1046

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

Replay Monitor

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Downloads

memory/552-62-0x0000000000000000-mapping.dmp

Download
memory/1168-61-0x0000000000000000-mapping.dmp

Download
memory/1232-56-0x0000000000000000-mapping.dmp

Download
memory/1280-57-0x0000000000000000-mapping.dmp

Download
memory/1672-54-0x00000000762B1000-0x00000000762B3000-memory.dmp

Filesize
8KB

Download
memory/1764-59-0x0000000000000000-mapping.dmp

Download
memory/1996-55-0x0000000000000000-mapping.dmp

Download
memory/2036-60-0x0000000000000000-mapping.dmp

Download
memory/2044-58-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

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