3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35

General

Target

3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe
Size

4.4MB
MD5

4e8a7b03ff758f5c75ce992615a14fd0
SHA1

0110e12ae768872ea5c1b194dba50cbf74ec4d84
SHA256

3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35
SHA512

3fa53510e08ba1914f8cc6d34bb9c7fff544d23e365ca6e1d71d3bf022b0c3bc9bdc68cacc50a89af6744b2ba496fc0bc06e44a147f6ec8a44f446148330f3b9
SSDEEP

98304:1/rljWsSqkPe1hRa3Y1D6k8LFMF9aPfckJrLH+VFuIHQgFLOAkGkzdnEVomFHKnP:1BjOqjH+XMG0uIHQgFLOyomFHKnP

Score

9^/10

defense_evasion execution impact persistence 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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Skype	3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe

Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490

Processes:

vssadmin.exe

pid process

2900 vssadmin.exe

pid	process
2900	vssadmin.exe

Modifies registry class 3 IoCs

Processes:

3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.r8cuvw91b\DefaultIcon	3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.r8cuvw91b	3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.r8cuvw91b\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico"	3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe

pid process

1992 3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 2524 vssvc.exe
Token: SeRestorePrivilege 2524 vssvc.exe
Token: SeAuditPrivilege 2524 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	2524	vssvc.exe
Token: SeRestorePrivilege	2524	vssvc.exe
Token: SeAuditPrivilege	2524	vssvc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe

pid	process
1992	3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe
1992	3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.execmd.exe

description	pid	process	target process
PID 1992 wrote to memory of 2836	1992	3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe	cmd.exe
PID 1992 wrote to memory of 2836	1992	3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe	cmd.exe
PID 1992 wrote to memory of 2836	1992	3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe	cmd.exe
PID 1992 wrote to memory of 2836	1992	3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe	cmd.exe
PID 2836 wrote to memory of 2900	2836	cmd.exe	vssadmin.exe
PID 2836 wrote to memory of 2900	2836	cmd.exe	vssadmin.exe
PID 2836 wrote to memory of 2900	2836	cmd.exe	vssadmin.exe
PID 2836 wrote to memory of 2900	2836	cmd.exe	vssadmin.exe

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\3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe
"C:\Users\Admin\AppData\Local\Temp\3090a37e591554d7406107df87b3dc21bda059df0bc66244e8abef6a5678af35.exe"
1⤵
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\system32\vssadmin.exe
    C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2900

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1

T1047

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Indicator Removal

2

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

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Downloads

memory/1992-0-0x00000000034D0000-0x00000000035B3000-memory.dmp

Filesize
908KB

Download
memory/1992-2-0x00000000034D0000-0x00000000035B3000-memory.dmp

Filesize
908KB

Download
memory/1992-6-0x00000000034D0000-0x00000000035B3000-memory.dmp

Filesize
908KB

Download
memory/1992-10-0x00000000034D0000-0x00000000035B3000-memory.dmp

Filesize
908KB

Download
memory/1992-8-0x00000000034D0000-0x00000000035B3000-memory.dmp

Filesize
908KB

Download
memory/1992-11-0x00000000034D0000-0x00000000035B3000-memory.dmp

Filesize
908KB

Download
memory/1992-12-0x00000000034D0000-0x00000000035B3000-memory.dmp

Filesize
908KB

Download
memory/1992-13-0x00000000034D0000-0x00000000035B3000-memory.dmp

Filesize
908KB

Download
memory/1992-14-0x00000000034D0000-0x00000000035B3000-memory.dmp

Filesize
908KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads