Overview

overview

10

Static

static

4ac6131d63...f2.exe

windows7_x64

10

4ac6131d63...f2.exe

windows10_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    4ac6131d639aa802302ab4cf32b959f9ab5ec76752cc297eb380d5c23d4a68f2

  • Size

    2.5MB

  • Sample

    210517-fc8c1j1faj

  • MD5

    1ba6b23a139f0f46c31f74b174f48be2

  • SHA1

    1c7a38a017f9444dbb6879279d4e12c2cc01c83c

  • SHA256

    4ac6131d639aa802302ab4cf32b959f9ab5ec76752cc297eb380d5c23d4a68f2

  • SHA512

    f0b788429de97fde2c3575d845a6cbe19fe22a3562417005a5db26dedc57cbfd27b914d8c8a12c58c6eabab0eeea6e7caf62e40cadbb286c4287e5c417a00565

Score
10/10
vjw0rmpersistencetrojanupxworm

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://pastebin.com/raw/gC5dfjh9

Targets

    • Target

      4ac6131d639aa802302ab4cf32b959f9ab5ec76752cc297eb380d5c23d4a68f2

    • Size

      2.5MB

    • MD5

      1ba6b23a139f0f46c31f74b174f48be2

    • SHA1

      1c7a38a017f9444dbb6879279d4e12c2cc01c83c

    • SHA256

      4ac6131d639aa802302ab4cf32b959f9ab5ec76752cc297eb380d5c23d4a68f2

    • SHA512

      f0b788429de97fde2c3575d845a6cbe19fe22a3562417005a5db26dedc57cbfd27b914d8c8a12c58c6eabab0eeea6e7caf62e40cadbb286c4287e5c417a00565

    Score
    10/10
    vjw0rmpersistencetrojanwormupx

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • Blocklisted process makes network request

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks