ff5ac0eb80d90c6a2a46a4133fc8d90cd165b8b2bac1cbaa8fadd35b186bd5c8

Analysis

max time kernel
91s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
26/05/2022, 17:48

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
45626067dc0fb228fddfa48f567a2344.exe
Size 300KB
Sample220526-wdf3wsdef5
SHA256 ff5ac0eb80d90c6a2a46a4133fc8d90cd165b8b2bac1cbaa8fadd35b186bd5c8
MD5 45626067dc0fb228fddfa48f567a2344
SHA1 1b7eb5dc6e081efa0ba55d291e45eb416f908bec
SHA512 19dd906a77785f0dd5d7fb4e27e29d8190eb56ce1b8057130f0945102ae06cbedfd615d152db1859c91a4371b83173945a862ac1c615dff4a3fbb96bc75e01e9
MD5 SHA1 SHA512

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	45626067dc0fb228fddfa48f567a2344.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3864	4436	WerFault.exe	66

Kills process with taskkill 1 IoCs

evasion

pid	Process
4300	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4300	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 3668	4436	45626067dc0fb228fddfa48f567a2344.exe	84
PID 4436 wrote to memory of 3668	4436	45626067dc0fb228fddfa48f567a2344.exe	84
PID 4436 wrote to memory of 3668	4436	45626067dc0fb228fddfa48f567a2344.exe	84
PID 3668 wrote to memory of 4300	3668	cmd.exe	87
PID 3668 wrote to memory of 4300	3668	cmd.exe	87
PID 3668 wrote to memory of 4300	3668	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\45626067dc0fb228fddfa48f567a2344.exe
"C:\Users\Admin\AppData\Local\Temp\45626067dc0fb228fddfa48f567a2344.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "45626067dc0fb228fddfa48f567a2344.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\45626067dc0fb228fddfa48f567a2344.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3668
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "45626067dc0fb228fddfa48f567a2344.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4300
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 1404
  2⤵
  - Program crash
  PID:3864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4436 -ip 4436
1⤵
PID:4324

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4436-130-0x00000000007DE000-0x0000000000804000-memory.dmp

Download

memory/4436-131-0x0000000000720000-0x000000000075F000-memory.dmp

Download

memory/4436-132-0x0000000000400000-0x0000000000452000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads