f324b71220e55551f8770c67bd2a604212e0d6161bf4f2e69c5a1d99cc21441c

Analysis

max time kernel
186s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2022 14:50

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General

Target

f324b71220e55551f8770c67bd2a604212e0d6161bf4f2e69c5a1d99cc21441c.exe
Size

6KB
MD5

7a6ed2716df7de004f6f1d04617e25f5
SHA1

753178cf4ed69b734614f7d9cb847218a0d6fd06
SHA256

f324b71220e55551f8770c67bd2a604212e0d6161bf4f2e69c5a1d99cc21441c
SHA512

542c1668f7dca180c185114233de304d9157d1065bc4c4a254803a27e53e66b7f2cf5d6edfcf8d37e264c29efe9d802fd082468c97d7516593a23c5bbdcf89ab
SSDEEP

96:nXnEkPHGwFBw4OboZzLbp0JE0yTimm55m9DBPmA7d8wekYF6ztq/grkA2B/54pgH:nPPmwFa4aophaEo/4v+A7d89kzwAL0/9

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	f324b71220e55551f8770c67bd2a604212e0d6161bf4f2e69c5a1d99cc21441c.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
4468	1636	WerFault.exe	82

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 2916	1636	f324b71220e55551f8770c67bd2a604212e0d6161bf4f2e69c5a1d99cc21441c.exe	85
PID 1636 wrote to memory of 2916	1636	f324b71220e55551f8770c67bd2a604212e0d6161bf4f2e69c5a1d99cc21441c.exe	85
PID 1636 wrote to memory of 2916	1636	f324b71220e55551f8770c67bd2a604212e0d6161bf4f2e69c5a1d99cc21441c.exe	85

C:\Users\Admin\AppData\Local\Temp\f324b71220e55551f8770c67bd2a604212e0d6161bf4f2e69c5a1d99cc21441c.exe
"C:\Users\Admin\AppData\Local\Temp\f324b71220e55551f8770c67bd2a604212e0d6161bf4f2e69c5a1d99cc21441c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\f324b71220e55551f8770c67bd2a604212e0d6161bf4f2e69c5a1d99cc21441c.exe > nul
  2⤵
  PID:2916
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 1424
  2⤵
  - Program crash
  PID:4468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1636 -ip 1636
1⤵
PID:2272

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

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Downloads

memory/1636-132-0x0000000000400000-0x0000000000403400-memory.dmp

Filesize
13KB

Download
memory/1636-133-0x0000000000400000-0x0000000000403400-memory.dmp

Filesize
13KB

Download
memory/2916-134-0x0000000000000000-mapping.dmp

Download