General

  • Target

    build.exe

  • Size

    51KB

  • Sample

    250306-mcnlxawsbz

  • MD5

    79cd45fb4ce03b7262bfca18f71f76df

  • SHA1

    1cb7866b67768b8f15415cd33a4cbc1d284cb77e

  • SHA256

    495c535f89ad9319b97b59b52eb5d690315c202f9add743061dc53b4b583b610

  • SHA512

    370ff53c5f3648667c761c9d60f4f3ace99e2745b0253780c8dd0d87bca3c03e65c60f756bf8ea17a2f0790dbefa6ede6c0bcb7014f921cd51c945d53e4c8950

  • SSDEEP

    1536:fwFIJ7n5Yptm6YCLgJwu4NFD0T5YKAYjZHgbyJ:pJ9Yptm6YCLgau4NGTJAYjZHWg

Score
10/10

Malware Config

Extracted

Family

xworm

C2

links-recovered.at.ply.gg:32508

Mutex

XSLvYVsJZs3bsiZr

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      build.exe

    • Size

      51KB

    • MD5

      79cd45fb4ce03b7262bfca18f71f76df

    • SHA1

      1cb7866b67768b8f15415cd33a4cbc1d284cb77e

    • SHA256

      495c535f89ad9319b97b59b52eb5d690315c202f9add743061dc53b4b583b610

    • SHA512

      370ff53c5f3648667c761c9d60f4f3ace99e2745b0253780c8dd0d87bca3c03e65c60f756bf8ea17a2f0790dbefa6ede6c0bcb7014f921cd51c945d53e4c8950

    • SSDEEP

      1536:fwFIJ7n5Yptm6YCLgJwu4NFD0T5YKAYjZHgbyJ:pJ9Yptm6YCLgau4NGTJAYjZHWg

    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.

    • Executes dropped EXE

    • 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