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Analysis

  • max time kernel
    125s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/11/2023, 13:35

General

  • Target

    tmp.exe

  • Size

    443KB

  • MD5

    5ac25113feaca88b0975eed657d4a22e

  • SHA1

    501497354540784506e19208ddae7cc0535df98f

  • SHA256

    9a0d8a0fc3c799da381bc0ca4410fd0672f0a8b7c28c319db080325f4db601fe

  • SHA512

    769fa8c71855ba1affc7851d394fd6870e01ab8a5e5ee9ab5e63290708b3233e1b0a47185a13d2e52d29917c5b40f8adedb1efc3305b1cdf31802b4c796a25aa

  • SSDEEP

    3072:pJve5U+5RnmMH2gcOxF3jwvHOXBACLKxpmrq99IZLnixXEI/d99i9YwOLerpVYl/:2mri39mHU9YwXqltUuya6tGjxuu1

Score
10/10

Malware Config

Extracted

Family

xworm

C2

209.145.51.44:7000

Mutex

iLWUbOJf8Atlquud

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
      PID:4580
      • C:\Windows\System32\werfault.exe
        \??\C:\Windows\System32\werfault.exe
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3116

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3116-1-0x00000151C6A70000-0x00000151C6A84000-memory.dmp

      Filesize

      80KB

    • memory/3116-2-0x00000151C6E00000-0x00000151C6E10000-memory.dmp

      Filesize

      64KB

    • memory/3116-3-0x00007FFCF11B0000-0x00007FFCF1C71000-memory.dmp

      Filesize

      10.8MB

    • memory/3116-4-0x00000151E10C0000-0x00000151E10D0000-memory.dmp

      Filesize

      64KB

    • memory/3116-5-0x00000151E10C0000-0x00000151E10D0000-memory.dmp

      Filesize

      64KB

    • memory/3116-7-0x00007FFCF11B0000-0x00007FFCF1C71000-memory.dmp

      Filesize

      10.8MB

    • memory/3116-8-0x00000151E10C0000-0x00000151E10D0000-memory.dmp

      Filesize

      64KB

    • memory/3116-9-0x00000151E10C0000-0x00000151E10D0000-memory.dmp

      Filesize

      64KB

    • memory/4580-0-0x00007FFD0F2D0000-0x00007FFD0F4C5000-memory.dmp

      Filesize

      2.0MB