Overview

overview

10

Static

static

10

AsyncClient.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    AsyncClient.exe

  • Size

    49KB

  • Sample

    240425-stjbeabh9s

  • MD5

    f625ca6932b077586dc4ef6d725f46a7

  • SHA1

    9bbf99a09660904c98054dbe616d81e5a3b8b339

  • SHA256

    58ec5a367781f3d073b6b5c992bb49268c31634b3d059b27d08c6940918146ff

  • SHA512

    b7dd974460cd00b91996c6baa093e59cd6f02209ccbcebb17aed45756083cd8ec202d1fbc4abb52f755fd3869fff07abdec43ddc3af062cc2c03c51ecbd942d1

  • SSDEEP

    1536:kuOj1TFL22WmxBk/ktgob00/xvHX8OLldGSB:kuOhTFL22RxBMktgob0e/zESB

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:36526

toys-hull.gl.at.ply.gg:6606

toys-hull.gl.at.ply.gg:7707

toys-hull.gl.at.ply.gg:8808

toys-hull.gl.at.ply.gg:36526
Mutex

EbIIsvtOm8b1

Attributes
  • delay

    3

  • install

    true

  • install_file

    RuntimeBroker.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      AsyncClient.exe

    • Size

      49KB

    • MD5

      f625ca6932b077586dc4ef6d725f46a7

    • SHA1

      9bbf99a09660904c98054dbe616d81e5a3b8b339

    • SHA256

      58ec5a367781f3d073b6b5c992bb49268c31634b3d059b27d08c6940918146ff

    • SHA512

      b7dd974460cd00b91996c6baa093e59cd6f02209ccbcebb17aed45756083cd8ec202d1fbc4abb52f755fd3869fff07abdec43ddc3af062cc2c03c51ecbd942d1

    • SSDEEP

      1536:kuOj1TFL22WmxBk/ktgob00/xvHX8OLldGSB:kuOhTFL22RxBMktgob0e/zESB

    Score
    10/10
    asyncratdefaultrat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Async RAT payload

      rat

    • Checks computer location settings

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

    • Executes dropped EXE

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks