350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 16:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

file.exe
Size

737KB
MD5

0bf7bc20496143a9f028e77ab47b4698
SHA1

aa54013aeb502b4a936331deb76a6411f1f1ade7
SHA256

350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd
SHA512

5e94cd77c4ad6dfa1064915ca0f4d117a2e3a4e924d05a16df0b223a5a0cbcb6124627e41d184aa0584f3ff3bbd5f9f913964887c7eb140e105317d4f5709981
SSDEEP

12288:bO+sm75a7DI9Mv53VI/XfaUs442JbV24chSS1i2wZbDFMMWzVFq:rh75a7M9S3VYa4npY4cFM2MWhY

Score

9^/10

defense_evasion discovery 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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2276	2092	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Interacts with shadow copies 3 TTPs 1 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
2896	vssadmin.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.taovhsr3u\DefaultIcon	file.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.taovhsr3u	file.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.taovhsr3u\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico"	file.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2752	vssvc.exe
Token: SeRestorePrivilege	2752	vssvc.exe
Token: SeAuditPrivilege	2752	vssvc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2832	2092	file.exe	30
PID 2092 wrote to memory of 2832	2092	file.exe	30
PID 2092 wrote to memory of 2832	2092	file.exe	30
PID 2092 wrote to memory of 2832	2092	file.exe	30
PID 2832 wrote to memory of 2896	2832	cmd.exe	32
PID 2832 wrote to memory of 2896	2832	cmd.exe	32
PID 2832 wrote to memory of 2896	2832	cmd.exe	32
PID 2832 wrote to memory of 2896	2832	cmd.exe	32
PID 2092 wrote to memory of 2276	2092	file.exe	35
PID 2092 wrote to memory of 2276	2092	file.exe	35
PID 2092 wrote to memory of 2276	2092	file.exe	35
PID 2092 wrote to memory of 2276	2092	file.exe	35

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\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2832
- - C:\Windows\system32\vssadmin.exe
    C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2896
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 320
  2⤵
  - Program crash
  PID:2276

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

T1006

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact