Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-11-2024 01:52

General

  • Target

    $77Client.exe

  • Size

    56KB

  • MD5

    499308c111f6aedc6fc71df066aa3bdd

  • SHA1

    edafc28b68a50f1bb3aa49141d64f43618cf8ea6

  • SHA256

    e4d4485983a7e13e57f917476bad64d0d4812b9041c86b07f9dddd7a93c61c87

  • SHA512

    ac40f8408328d24fe33a9ce03d1c2b87bb3dec5f063e58b2f53942e701126804f8ad71708a938b8e88465a968e8ecdec61930475b7bb6716945ffcb2f4de198a

  • SSDEEP

    768:DwoQxEyV72/68RXclX7Yq0QgW+79bk1klbAvdXAypaTCqt68vTXqJ1uOiz4s/bYi:DYKGUrMFY9bk1kU8vx

Malware Config

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Looks up external IP address via web service 1 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$77Client.exe
    "C:\Users\Admin\AppData\Local\Temp\$77Client.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2868-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/2868-1-0x0000000000A70000-0x0000000000A84000-memory.dmp

    Filesize

    80KB

  • memory/2868-2-0x0000000074B40000-0x000000007522E000-memory.dmp

    Filesize

    6.9MB

  • memory/2868-3-0x0000000074B40000-0x000000007522E000-memory.dmp

    Filesize

    6.9MB