Overview

overview

10

Static

static

mshta.exe

windows7_x64

10

mshta.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    mshta.exe

  • Size

    304KB

  • Sample

    220519-ch5ghahdd2

  • MD5

    b28ddf547716c0cdee99d4e5f261704d

  • SHA1

    cef47d43a0809616fbdb980b7864b4cef8ed2943

  • SHA256

    89aacd427f262a4a5b09af5c8abdeabc7f39a1d618a01a5a79074ebb62bb065e

  • SHA512

    c78e8c4b9d871e3df72f7ecdad2a179225df6887adc9db63746bbbc6fd7ae1d3cfdd5dcbde039790bbc84193a9f5eb8516df716d614a88181b8253c5c188c24b

Score
10/10
asyncratmshtarat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

mshta

Mutex

mshta

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/tefSYKAL

aes.plain

Targets

    • Target

      mshta.exe

    • Size

      304KB

    • MD5

      b28ddf547716c0cdee99d4e5f261704d

    • SHA1

      cef47d43a0809616fbdb980b7864b4cef8ed2943

    • SHA256

      89aacd427f262a4a5b09af5c8abdeabc7f39a1d618a01a5a79074ebb62bb065e

    • SHA512

      c78e8c4b9d871e3df72f7ecdad2a179225df6887adc9db63746bbbc6fd7ae1d3cfdd5dcbde039790bbc84193a9f5eb8516df716d614a88181b8253c5c188c24b

    Score
    10/10
    asyncratmshtarat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Async RAT payload

      rat

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

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