General

  • Target

    a.ps1

  • Size

    8KB

  • Sample

    210507-1yvk98xg3x

  • MD5

    5999be483bae2a132bc4554620e37cfc

  • SHA1

    bbd9c4dd37b2cd310618ab5f0e5fa56d66ee69aa

  • SHA256

    608538fcefef29626896925675428811db363e0870f193d253bd7319d264ca7f

  • SHA512

    50f507f08e64b171da7f725a6bed7ccc0def006e6da0f3ac97feeb7323ffd699b0228cc1fb7c7c897db90762686a559a5c803373d7eedb61f635c20d0ee253fa

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://127.0.0.1:43669/1/summary

exe.dropper

http://d.qq8.ag

exe.dropper

http://t.ntele.net

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://t.ntele.net

Targets

    • Target

      a.ps1

    • Size

      8KB

    • MD5

      5999be483bae2a132bc4554620e37cfc

    • SHA1

      bbd9c4dd37b2cd310618ab5f0e5fa56d66ee69aa

    • SHA256

      608538fcefef29626896925675428811db363e0870f193d253bd7319d264ca7f

    • SHA512

      50f507f08e64b171da7f725a6bed7ccc0def006e6da0f3ac97feeb7323ffd699b0228cc1fb7c7c897db90762686a559a5c803373d7eedb61f635c20d0ee253fa

    • PlugX

      PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

    • xmrig

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

    • XMRig Miner Payload

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Stops running service(s)

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Impair Defenses

1
T1562

Discovery

System Information Discovery

3
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Impact

Service Stop

1
T1489

Tasks