27051adfee7b49d84fb4a5a67808114d53bcdc81041f991b9aed2ddff06a716c

General

Target

8547bfc210914196a129e806728296ca.exe
Size

390KB
MD5

8547bfc210914196a129e806728296ca
SHA1

ea54c21ecfd461d7e19d5ba06d6194e2d9c45d4d
SHA256

27051adfee7b49d84fb4a5a67808114d53bcdc81041f991b9aed2ddff06a716c
SHA512

d40afa35d508767ffbf077e707b08ae7ca0b1a9aaec188f9d1fa422dccce1ccce137fc4fbbf4f289c1faba762a3978413ace8f3ba59ceb7300aaea20f554f5e0

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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	8547bfc210914196a129e806728296ca.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 7 IoCs

pid	pid_target	Process	procid_target
2640	2104	WerFault.exe	81
4980	2104	WerFault.exe	81
4956	2104	WerFault.exe	81
3088	2104	WerFault.exe	81
4628	2104	WerFault.exe	81
4296	2104	WerFault.exe	81
1432	2104	WerFault.exe	81

Kills process with taskkill 1 IoCs

evasion

pid	Process
1292	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1292	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2160	2104	8547bfc210914196a129e806728296ca.exe	98
PID 2104 wrote to memory of 2160	2104	8547bfc210914196a129e806728296ca.exe	98
PID 2104 wrote to memory of 2160	2104	8547bfc210914196a129e806728296ca.exe	98
PID 2160 wrote to memory of 1292	2160	cmd.exe	102
PID 2160 wrote to memory of 1292	2160	cmd.exe	102
PID 2160 wrote to memory of 1292	2160	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\8547bfc210914196a129e806728296ca.exe
"C:\Users\Admin\AppData\Local\Temp\8547bfc210914196a129e806728296ca.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 700
  2⤵
  - Program crash
  PID:2640
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 768
  2⤵
  - Program crash
  PID:4980
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 940
  2⤵
  - Program crash
  PID:4956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 764
  2⤵
  - Program crash
  PID:3088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 764
  2⤵
  - Program crash
  PID:4628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 952
  2⤵
  - Program crash
  PID:4296
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "8547bfc210914196a129e806728296ca.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8547bfc210914196a129e806728296ca.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "8547bfc210914196a129e806728296ca.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1292
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 1008
  2⤵
  - Program crash
  PID:1432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2104 -ip 2104
1⤵
PID:2792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2104 -ip 2104
1⤵
PID:2836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2104 -ip 2104
1⤵
PID:4248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2104 -ip 2104
1⤵
PID:3572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2104 -ip 2104
1⤵
PID:2588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2104 -ip 2104
1⤵
PID:5040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 2104 -ip 2104
1⤵
PID:4944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2104-130-0x0000000000592000-0x00000000005B8000-memory.dmp

Filesize
152KB

Download
memory/2104-131-0x00000000020B0000-0x00000000020EF000-memory.dmp

Filesize
252KB

Download
memory/2104-132-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download

Analysis

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