Overview

overview

10

Static

static

10

AsyncClient.exe

windows7-x64

AsyncClient.exe

windows10-2004-x64

10

Resubmissions

14-06-2024 16:38

240614-t5gsdsycpd 10

14-06-2024 16:37

240614-t42q6sscpq 10

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General

  • Target

    AsyncClient.exe

  • Size

    48KB

  • Sample

    240614-t5gsdsycpd

  • MD5

    0cd7314d619f1b8a92c579224f73e9ae

  • SHA1

    56f4e51d6d6fcd8ca418c957dd5a2436e1718761

  • SHA256

    fb9193c127e0ac2e3599920b4e46827d381d8ff976691863a6da3b862723583e

  • SHA512

    53d47d3b25d12f245742af999e9f442e5711740371b8ad995573410ad45c6916cbad298f54dc740c24632425bb9fdde84a73e12c34ed9236f8e6b82d0e310444

  • SSDEEP

    768:yuLN+TwQhclWUlNzWmo2qD5/o84ipShgoPICBCy720b+W9J337Rzfgrg4DESbK0:yuLN+Twip2fipShaCBxdb+Wv1MrgfSbk

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:8808

127.0.0.1:9198
Mutex

kCoHbQobXrgd

Attributes
  • delay

    3

  • install

    true

  • install_file

    Microsoft.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      AsyncClient.exe

    • Size

      48KB

    • MD5

      0cd7314d619f1b8a92c579224f73e9ae

    • SHA1

      56f4e51d6d6fcd8ca418c957dd5a2436e1718761

    • SHA256

      fb9193c127e0ac2e3599920b4e46827d381d8ff976691863a6da3b862723583e

    • SHA512

      53d47d3b25d12f245742af999e9f442e5711740371b8ad995573410ad45c6916cbad298f54dc740c24632425bb9fdde84a73e12c34ed9236f8e6b82d0e310444

    • SSDEEP

      768:yuLN+TwQhclWUlNzWmo2qD5/o84ipShgoPICBCy720b+W9J337Rzfgrg4DESbK0:yuLN+Twip2fipShaCBxdb+Wv1MrgfSbk

    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

    • Loads dropped DLL

    behavioral1behavioral2

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