Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-01-2025 04:40

General

  • Target

    a3f2c1a4136cbf9ecc2b16f266c349796296b7300dc3f5d6f4d50fafe22cf8eeN.exe

  • Size

    61KB

  • MD5

    3fe50cfec20210addc80f500e129def0

  • SHA1

    722be146a7dc2801770f2865ecafee9c70192543

  • SHA256

    a3f2c1a4136cbf9ecc2b16f266c349796296b7300dc3f5d6f4d50fafe22cf8ee

  • SHA512

    1856f153875397e873a84b9b0709c9ec332ff11094584c0b0ccc2616a0990975f3fe104a0cb3bdd6b9e60908e15d1205aa421dffd75a2e98eefc0f53f9a2d78a

  • SSDEEP

    1536:PC1KA2hcrFua7uYHM5zZW52+ZbDoqjf3Npr83jXO8h1oO:PC1KA2hcT7umMhZk2+ZbDFrv8zXO8hV

Score
10/10

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %AppData%

  • 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#.

  • Xworm family
  • Drops startup file 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 38 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3f2c1a4136cbf9ecc2b16f266c349796296b7300dc3f5d6f4d50fafe22cf8eeN.exe
    "C:\Users\Admin\AppData\Local\Temp\a3f2c1a4136cbf9ecc2b16f266c349796296b7300dc3f5d6f4d50fafe22cf8eeN.exe"
    1⤵
    • Drops startup file
    • Suspicious use of AdjustPrivilegeToken
    PID:2084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2084-0-0x000007FEF4E13000-0x000007FEF4E14000-memory.dmp

    Filesize

    4KB

  • memory/2084-1-0x0000000000E10000-0x0000000000E26000-memory.dmp

    Filesize

    88KB

  • memory/2084-6-0x000007FEF4E10000-0x000007FEF57FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2084-7-0x000007FEF4E13000-0x000007FEF4E14000-memory.dmp

    Filesize

    4KB

  • memory/2084-8-0x000007FEF4E10000-0x000007FEF57FC000-memory.dmp

    Filesize

    9.9MB