General

  • Target

    crfrfnrf.exe

  • Size

    63KB

  • Sample

    241203-yrat5s1ngs

  • MD5

    3f086d24d7f03a4d10cdc9bd678f275b

  • SHA1

    5ab42d155c1d75878d1c4084cbf70a8d9c71d145

  • SHA256

    9f880c587dc9efaa654eddd847cdc58766a7193e8c2c75129bdfd4dedae979fd

  • SHA512

    11c65ac4247ade8af9642bccfacf3229a61001094a2fd2cf56d3627dfd8aba7813dc7e9914925988534af9ce36f0e3c73cfcc1af764a8ad88e5dc8b08b3e4663

  • SSDEEP

    1536:qdmOmsfLc4AQWQbrIwvgxUZdrUMShbPDWgPbdO37/B:Gm2LPJbcw7rUNbPxOL/B

Score
10/10

Malware Config

Extracted

Family

xworm

C2

japanese-cross.gl.at.ply.gg:16828

Attributes
  • Install_directory

    %AppData%

  • install_file

    celex.exe

Targets

    • Target

      crfrfnrf.exe

    • Size

      63KB

    • MD5

      3f086d24d7f03a4d10cdc9bd678f275b

    • SHA1

      5ab42d155c1d75878d1c4084cbf70a8d9c71d145

    • SHA256

      9f880c587dc9efaa654eddd847cdc58766a7193e8c2c75129bdfd4dedae979fd

    • SHA512

      11c65ac4247ade8af9642bccfacf3229a61001094a2fd2cf56d3627dfd8aba7813dc7e9914925988534af9ce36f0e3c73cfcc1af764a8ad88e5dc8b08b3e4663

    • SSDEEP

      1536:qdmOmsfLc4AQWQbrIwvgxUZdrUMShbPDWgPbdO37/B:Gm2LPJbcw7rUNbPxOL/B

    Score
    10/10
    • Detect Xworm 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

    • 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