Analysis

  • max time kernel
    864s
  • max time network
    840s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    04-06-2024 17:22

General

  • Target

    MainUpdated.exe

  • Size

    61KB

  • MD5

    2d1117e76971378d13a5d79451fa585c

  • SHA1

    4cb446c2a6312b6da19683638f9ef16ae71e6328

  • SHA256

    f302df05db0c085c2614de01d1f351d88b102863bebdfa6fd2cb6dbba266889c

  • SHA512

    6545b824ea6b5659cba7cc5761bb0e68db3071c0077a39dc6257142defd49b370b11779243700f8acd4c25acac8fd39569f2c7a1b7e721ca90db74303dbb8ce5

  • SSDEEP

    1536:9jXPnvGv/tWNV9VsdCKoCRkbTCbBvP/OjQqudk+:9jX/qWz9OdDkbTGn/OjQqj+

Score
10/10

Malware Config

Extracted

Family

xworm

C2

https://pastebin.com/raw/H3wFXmEi:1234

Attributes
  • install_file

    USB.exe

  • pastebin_url

    https://pastebin.com/raw/H3wFXmEi

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MainUpdated.exe
    "C:\Users\Admin\AppData\Local\Temp\MainUpdated.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3000
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:2612

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3000-0-0x000007FEF5293000-0x000007FEF5294000-memory.dmp

      Filesize

      4KB

    • memory/3000-1-0x0000000000810000-0x0000000000826000-memory.dmp

      Filesize

      88KB

    • memory/3000-2-0x000007FEF5290000-0x000007FEF5C7C000-memory.dmp

      Filesize

      9.9MB

    • memory/3000-3-0x000007FEF5293000-0x000007FEF5294000-memory.dmp

      Filesize

      4KB

    • memory/3000-4-0x000007FEF5290000-0x000007FEF5C7C000-memory.dmp

      Filesize

      9.9MB