Resubmissions

05-10-2024 07:16

241005-h3vexswgjd 7

05-10-2024 07:10

241005-hzn4qssclj 10

General

  • Target

    svc.exe

  • Size

    51.6MB

  • Sample

    241005-hzn4qssclj

  • MD5

    623f3e470d731c2821137231569ba234

  • SHA1

    ec91bada1bff0b90986330b9822b2dd225eefdc8

  • SHA256

    7e036920d9cf57ab5d24f08491e3cab4605a25560a630e5826c0abfb6389a1af

  • SHA512

    a3f02db09d1b02c71062c64f16a65c2a679f9d8171a60b54754aa7e2a7207ab7285c402612ab6b82f16f7cabe219844fc0f9ad03cdbacd9f837840c19183219a

  • SSDEEP

    1572864:BU41mHoygTFRLy9OVwLjIE2vocY6RyTKEO/:BgIygpREOhTvv1RyTK

Malware Config

Extracted

Family

xworm

C2

23.ip.gl.ply.gg:7036

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

Targets

    • Target

      svc.exe

    • Size

      51.6MB

    • MD5

      623f3e470d731c2821137231569ba234

    • SHA1

      ec91bada1bff0b90986330b9822b2dd225eefdc8

    • SHA256

      7e036920d9cf57ab5d24f08491e3cab4605a25560a630e5826c0abfb6389a1af

    • SHA512

      a3f02db09d1b02c71062c64f16a65c2a679f9d8171a60b54754aa7e2a7207ab7285c402612ab6b82f16f7cabe219844fc0f9ad03cdbacd9f837840c19183219a

    • SSDEEP

      1572864:BU41mHoygTFRLy9OVwLjIE2vocY6RyTKEO/:BgIygpREOhTvv1RyTK

    • Detect Umbral payload

    • Detect Xworm Payload

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Enumerates processes with tasklist

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks