5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794

Analysis

max time kernel
153s
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
26/11/2022, 01:49

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General

Target

5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794.exe
Size

255KB
MD5

e0ce4a5db56783fbe228a015266188e8
SHA1

fe61b290f59412589ac8b439b40b60a8d3b8bb0a
SHA256

5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794
SHA512

6160f1508613efa5c22ec10f4365eca586ea8721af3aadaa68a86a8d71622add5ad6120b7cda96506c0bab17595b4fc015dfd28a800a4e3a358c8b52a63d05b5
SSDEEP

768:7fdqREaxxExy81dl37V2bFBbUVmIErLtS+XnyTe7nNZ2OhACE3zLSMSB72GPKJre:67fhfV

Score

8^/10

evasion

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4292	asmm.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
2704	netsh.exe

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	5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe
4292	asmm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4292	asmm.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1072 wrote to memory of 4292	1072	5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794.exe	85
PID 1072 wrote to memory of 4292	1072	5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794.exe	85
PID 1072 wrote to memory of 4292	1072	5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794.exe	85
PID 4292 wrote to memory of 2704	4292	asmm.exe	86
PID 4292 wrote to memory of 2704	4292	asmm.exe	86
PID 4292 wrote to memory of 2704	4292	asmm.exe	86

C:\Users\Admin\AppData\Local\Temp\5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794.exe
"C:\Users\Admin\AppData\Local\Temp\5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1072
- C:\Users\Admin\AppData\Roaming\asmm.exe
  "C:\Users\Admin\AppData\Roaming\asmm.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4292
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\asmm.exe" "asmm.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2704

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

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

C:\Users\Admin\AppData\Roaming\asmm.exe

Filesize
255KB

MD5
e0ce4a5db56783fbe228a015266188e8

SHA1
fe61b290f59412589ac8b439b40b60a8d3b8bb0a

SHA256
5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794

SHA512
6160f1508613efa5c22ec10f4365eca586ea8721af3aadaa68a86a8d71622add5ad6120b7cda96506c0bab17595b4fc015dfd28a800a4e3a358c8b52a63d05b5

Download Submit
C:\Users\Admin\AppData\Roaming\asmm.exe

Filesize
255KB

MD5
e0ce4a5db56783fbe228a015266188e8

SHA1
fe61b290f59412589ac8b439b40b60a8d3b8bb0a

SHA256
5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794

SHA512
6160f1508613efa5c22ec10f4365eca586ea8721af3aadaa68a86a8d71622add5ad6120b7cda96506c0bab17595b4fc015dfd28a800a4e3a358c8b52a63d05b5

Download Submit
memory/1072-132-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/1072-133-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/1072-137-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4292-138-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4292-139-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download