General

  • Target

    client.exe

  • Size

    45KB

  • Sample

    230529-np1yfaca7y

  • MD5

    c48d9ae8350765db9605c776576c40bd

  • SHA1

    547db0270dd85d7a779f0d3e468cef6b899291af

  • SHA256

    5ce48e0a279b4497675a807b0aed3c3cc11acc68507bdcdce2577280d42131a8

  • SHA512

    c897072ca1ce04783aed04d7cef9422e7a46c5ec9062f234e95e15e03acc9a50aefdbf5be01fe69789610142a8b2db58da40891232662a11911f1269698350ce

  • SSDEEP

    768:/uyCNTAoZjRWUJs9bmo2qL9KEbHORtOPIMJzjbZgX3ipfodwsclmKT421BDZix:/uyCNTAGo2I323MJ3b2XSpAC7bdix

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

Mutex

xrxservices

Attributes
  • delay

    3

  • install

    true

  • install_file

    service.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/XHZ7Z0gA

aes.plain

Targets

    • Target

      client.exe

    • Size

      45KB

    • MD5

      c48d9ae8350765db9605c776576c40bd

    • SHA1

      547db0270dd85d7a779f0d3e468cef6b899291af

    • SHA256

      5ce48e0a279b4497675a807b0aed3c3cc11acc68507bdcdce2577280d42131a8

    • SHA512

      c897072ca1ce04783aed04d7cef9422e7a46c5ec9062f234e95e15e03acc9a50aefdbf5be01fe69789610142a8b2db58da40891232662a11911f1269698350ce

    • SSDEEP

      768:/uyCNTAoZjRWUJs9bmo2qL9KEbHORtOPIMJzjbZgX3ipfodwsclmKT421BDZix:/uyCNTAGo2I323MJ3b2XSpAC7bdix

    Score
    10/10
    • AsyncRat

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

    • Async RAT payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Command and Control

Web Service

1
T1102

Tasks