General

  • Target

    6c06275582db133a429e4149c0f1ac21.bin

  • Size

    723KB

  • Sample

    241203-blt99sykcp

  • MD5

    25e65f134d389d24abc6ce265f280983

  • SHA1

    0428c2bf67065957432dcd2a5702610feebab4fb

  • SHA256

    858f09f585cc6330a15d5dae164f673d6a5ab19b2da7e3e0dc0d2746744c6cb4

  • SHA512

    2f2685f1008797e30badfdd31324fac90eb91efd27edc4c1d8ba02df312ff59ca22825a2aa1a3f4a2aa00d957c06bfbb6e7abd330d9c1b78e0a303c709687e96

  • SSDEEP

    12288:1oJeBxRvWLNrrVlnexEVs4rZ4+0m9Z1o81zUPcKIQHeTaJyyhPFgJAWygaODaL:yWRvEVrVQ6VDZ4+O8xU03TxyhyJ7y3L

Malware Config

Extracted

Family

xworm

Version

5.0

C2

award-adware.gl.at.ply.gg:8848

Mutex

GP0Tp1OoKfqkeZmS

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

aes.plain

Targets

    • Target

      51edcfc381c90d4b6408aa58f991b14d7d7d57a3597550ecc63c663ebfd095d2.exe

    • Size

      764KB

    • MD5

      6c06275582db133a429e4149c0f1ac21

    • SHA1

      44c91c923711ed57cafbdd235fb4d1eac8a02a57

    • SHA256

      51edcfc381c90d4b6408aa58f991b14d7d7d57a3597550ecc63c663ebfd095d2

    • SHA512

      73bcca36ab0f6346dfb4020a0cc0fba2c907831f474cef3aeee30c57683bdaecff869d06c35d09b104d0db6df5dd513e19d724135d27fac7ecc524cd3ece7ac4

    • SSDEEP

      12288:YQRNZLQX+3D5f1rH38kqColunF5mCwvUtGyemkLp1FkZ7ptNUyg5C:vLzD5fx38kuluFQC8UYyHC6BrKyg

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks