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General

  • Target

    Nigger.exe

  • Size

    47KB

  • Sample

    240605-rvn3lsaf25

  • MD5

    67e6c2eefb8ba3bc7fe0aec4a4f172a1

  • SHA1

    27185e264b533529ae6db394e58ff419dde73a56

  • SHA256

    d1c4c47b1f2f1051ef592fc6fcd285cdafbd0213577eeecc353bd2beb8e33367

  • SHA512

    49bd659605edef13b1961a6179985a87af5324e7c46843524ed2789189089b0f254f719d737ecfa737b5991d00761b2ed33fcf778a380efc0ec76ef622d0c42d

  • SSDEEP

    768:gq+s3pUtDILNCCa+DiUYOt2iE78YbBgYnb4i7SvEgK/JHZVc6KN:gq+AGtQOUYOt0zbu2dSnkJHZVclN

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

127.0.0.1:8080

127.0.0.1:13857

0.tcp.eu.ngrok.io:8080

0.tcp.eu.ngrok.io:13857

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Nigger.exe

    • Size

      47KB

    • MD5

      67e6c2eefb8ba3bc7fe0aec4a4f172a1

    • SHA1

      27185e264b533529ae6db394e58ff419dde73a56

    • SHA256

      d1c4c47b1f2f1051ef592fc6fcd285cdafbd0213577eeecc353bd2beb8e33367

    • SHA512

      49bd659605edef13b1961a6179985a87af5324e7c46843524ed2789189089b0f254f719d737ecfa737b5991d00761b2ed33fcf778a380efc0ec76ef622d0c42d

    • SSDEEP

      768:gq+s3pUtDILNCCa+DiUYOt2iE78YbBgYnb4i7SvEgK/JHZVc6KN:gq+AGtQOUYOt0zbu2dSnkJHZVclN

    • AsyncRat

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

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Renames multiple (2903) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

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

    • Legitimate hosting services abused for malware hosting/C2

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks