General

  • Target

    das.exe

  • Size

    3.2MB

  • Sample

    241127-beq92avqgq

  • MD5

    fc9dc72efa9a2558f092277889483177

  • SHA1

    ae8629a0c0f52c3e6d2aaafc5b2e1f1bbd477747

  • SHA256

    fe3a99da0e96c690ea206dd08b6deb4bb53acd214118f59229e37d00aa0d5b73

  • SHA512

    4329fc1e1b6c556f628c9f3bdcab2e34ebe5a4fade9dcac59010581389613af19e1f8afffaeb495d952dc67dc591ae5c270c79ceafe6ec8e0f4b5b97f31df255

  • SSDEEP

    49152:dTM2IVKyc1Egr0NBwq2dpOyMN5zAI24A8cSSa9+VYt2S6SMrM0LJxIuXwsL:dTcVKyc300q2dpVMH7HBcKmbJWuXwsL

Malware Config

Extracted

Family

xworm

C2

important-machines.gl.at.ply.gg:7974

Attributes
  • Install_directory

    %Public%

  • install_file

    USB.exe

Extracted

Family

quasar

Version

1.4.1

Botnet

dumby bo got ratted LOLOL

C2

p-surplus.gl.at.ply.gg:7938

Mutex

6f229673-e6d0-41b5-a1e4-1cbc29eeffd8

Attributes
  • encryption_key

    84EEFDB37698E582E7732B4568EC490426D1D6DF

  • install_name

    d1aler.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Java updater

  • subdirectory

    SubDir

Targets

    • Target

      das.exe

    • Size

      3.2MB

    • MD5

      fc9dc72efa9a2558f092277889483177

    • SHA1

      ae8629a0c0f52c3e6d2aaafc5b2e1f1bbd477747

    • SHA256

      fe3a99da0e96c690ea206dd08b6deb4bb53acd214118f59229e37d00aa0d5b73

    • SHA512

      4329fc1e1b6c556f628c9f3bdcab2e34ebe5a4fade9dcac59010581389613af19e1f8afffaeb495d952dc67dc591ae5c270c79ceafe6ec8e0f4b5b97f31df255

    • SSDEEP

      49152:dTM2IVKyc1Egr0NBwq2dpOyMN5zAI24A8cSSa9+VYt2S6SMrM0LJxIuXwsL:dTcVKyc300q2dpVMH7HBcKmbJWuXwsL

    • Detect Xworm Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks