5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794

Analysis

max time kernel
162s
max time network
92s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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
1464	asmm.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
856	netsh.exe

Loads dropped DLL 1 IoCs

pid	Process
1508	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 14 IoCs

pid	Process
1464	asmm.exe
1464	asmm.exe
1464	asmm.exe
1464	asmm.exe
1464	asmm.exe
1464	asmm.exe
1464	asmm.exe
1464	asmm.exe
1464	asmm.exe
1464	asmm.exe
1464	asmm.exe
1464	asmm.exe
1464	asmm.exe
1464	asmm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1464	asmm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 1464	1508	5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794.exe	28
PID 1508 wrote to memory of 1464	1508	5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794.exe	28
PID 1508 wrote to memory of 1464	1508	5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794.exe	28
PID 1508 wrote to memory of 1464	1508	5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794.exe	28
PID 1464 wrote to memory of 856	1464	asmm.exe	29
PID 1464 wrote to memory of 856	1464	asmm.exe	29
PID 1464 wrote to memory of 856	1464	asmm.exe	29
PID 1464 wrote to memory of 856	1464	asmm.exe	29

C:\Users\Admin\AppData\Local\Temp\5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794.exe
"C:\Users\Admin\AppData\Local\Temp\5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1508
- 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:1464
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\asmm.exe" "asmm.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

Filesize
255KB

MD5
e0ce4a5db56783fbe228a015266188e8

SHA1
fe61b290f59412589ac8b439b40b60a8d3b8bb0a

SHA256
5f21eb1a00c84324df35e224345398d09493f91f7ef21debf89df505b9df8794

SHA512
6160f1508613efa5c22ec10f4365eca586ea8721af3aadaa68a86a8d71622add5ad6120b7cda96506c0bab17595b4fc015dfd28a800a4e3a358c8b52a63d05b5

Download Submit
memory/1464-63-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/1464-66-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/1508-54-0x0000000075C81000-0x0000000075C83000-memory.dmp

Filesize
8KB

Download
memory/1508-55-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/1508-56-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/1508-62-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download