Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02/04/2024, 08:27

General

  • Target
    9e5865fd21de52ffdfed7301c0542693d1a5a066c49dfb197ddce0acab589b7b.exe
  • Size 427KB
  • Sample240402-kce9escc65
  • SHA256 9e5865fd21de52ffdfed7301c0542693d1a5a066c49dfb197ddce0acab589b7b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • xworm

C2
  • 210.246.215.82:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    WindowsNT.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Executes dropped EXE 2 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9e5865fd21de52ffdfed7301c0542693d1a5a066c49dfb197ddce0acab589b7b.exe
    "C:\Users\Admin\AppData\Local\Temp\9e5865fd21de52ffdfed7301c0542693d1a5a066c49dfb197ddce0acab589b7b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\ProgramData\Macro_Easy.exe
      "C:\ProgramData\Macro_Easy.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      PID:4164
    • C:\ProgramData\s.exe
      "C:\ProgramData\s.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4108

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Macro_Easy.exe

        • Path C:\ProgramData\Macro_Easy.exe
        • Size 65KB
        • SHA256 0a81479feb0ab55cde79ea66787f9db686b774c3a374fca280a74331b02a9649
        • MD5 SHA1 SHA512 SSDEEP

        s.exe

        • Path C:\ProgramData\s.exe
        • Size 336KB
        • SHA256 829371e9f7b8108a3597cd80e432557069b217a1c3dd01b6d715597a82b611ee
        • MD5 SHA1 SHA512 SSDEEP

        memory/2780-27-0x00007FFED7FC0000-0x00007FFED8A82000-memory.dmp

        memory/2780-2-0x00007FFED7FC0000-0x00007FFED8A82000-memory.dmp

        memory/2780-0-0x0000000000720000-0x0000000000790000-memory.dmp

        memory/4108-33-0x00007FFED7FC0000-0x00007FFED8A82000-memory.dmp

        memory/4108-26-0x00007FFED7FC0000-0x00007FFED8A82000-memory.dmp

        memory/4108-31-0x000000001B1B0000-0x000000001B1C0000-memory.dmp

        memory/4108-25-0x00000000004D0000-0x000000000052A000-memory.dmp

        memory/4164-28-0x0000000074B60000-0x0000000075111000-memory.dmp

        memory/4164-29-0x0000000074B60000-0x0000000075111000-memory.dmp

        memory/4164-30-0x0000000000920000-0x0000000000930000-memory.dmp

        memory/4164-32-0x0000000000920000-0x0000000000930000-memory.dmp

        memory/4164-34-0x0000000074B60000-0x0000000075111000-memory.dmp

        memory/4164-35-0x0000000074B60000-0x0000000075111000-memory.dmp

        memory/4164-36-0x0000000000920000-0x0000000000930000-memory.dmp

        memory/4164-37-0x0000000000920000-0x0000000000930000-memory.dmp