Overview

overview

10

Static

static

31ac877d8c...6f.exe

windows7_x64

10

31ac877d8c...6f.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    31ac877d8c2c2a897eaff36b17d755466b8612ad2661510dd6b0d9484a2b1f6f

  • Size

    11.8MB

  • Sample

    220214-f7gnhsfcg7

  • MD5

    b3e7aa693426736a592f3c9285f4d43f

  • SHA1

    ed1db0ceffef65fb93a0a7863dee7f3a0d5506d0

  • SHA256

    31ac877d8c2c2a897eaff36b17d755466b8612ad2661510dd6b0d9484a2b1f6f

  • SHA512

    70a0434385a9dd336dcaf84a10716a8366d808cc5483401da054ad4ba017debf8e430a3803980167aedea9bc33322bcddb58fcaa2bd25e3eca15da5e12a2ed9d

Score
10/10
vjw0rmxmrigminerpersistencetrojanupxworm

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://pastebin.com/raw/gC5dfjh9

Targets

    • Target

      31ac877d8c2c2a897eaff36b17d755466b8612ad2661510dd6b0d9484a2b1f6f

    • Size

      11.8MB

    • MD5

      b3e7aa693426736a592f3c9285f4d43f

    • SHA1

      ed1db0ceffef65fb93a0a7863dee7f3a0d5506d0

    • SHA256

      31ac877d8c2c2a897eaff36b17d755466b8612ad2661510dd6b0d9484a2b1f6f

    • SHA512

      70a0434385a9dd336dcaf84a10716a8366d808cc5483401da054ad4ba017debf8e430a3803980167aedea9bc33322bcddb58fcaa2bd25e3eca15da5e12a2ed9d

    Score
    10/10
    vjw0rmxmrigminerpersistencetrojanupxworm

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • XMRig Miner Payload

      miner

    • Blocklisted process makes network request

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks