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Overview

overview

10

Static

static

10

test.exe

windows10-1703-x64

10

test.exe

windows10-2004-x64

10

test.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    295s
  • max time network
    304s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    25/05/2024, 13:06

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General

  • Target

    test.exe

  • Size

    43KB

  • MD5

    b3f15e9e18cdd698c4e3080c168e4f6e

  • SHA1

    30f685e4bf20e164637fcb784d39a16dc9509b4e

  • SHA256

    778e0ce255971d766dccccd9026c69fbaf27886f2432c7ea5174783eaa1acdde

  • SHA512

    e57d864edd1c30bc4111989b51ff5936d19ac682f7fea43eab059d4f08bcce2101af7ee252c06e0567aa01567a2dfc1af6e511f75a92145f705edaeedeeb1ef5

  • SSDEEP

    768:d2Aq7e4QlDo45ltcTbh4X4okRTl9BnysQhLO7IP:K7e4Q9oWcR4Xal9B61OcP

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

Version

2.2

C2

uk2.localto.net:9399

Mutex

AG9dYlcqRUai5Yiz

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\test.exe
    "C:\Users\Admin\AppData\Local\Temp\test.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1540
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "test" /tr "C:\Users\Admin\AppData\Roaming\test.exe"
      2⤵
      • Creates scheduled task(s)
      PID:4520
  • C:\Users\Admin\AppData\Roaming\test.exe
    C:\Users\Admin\AppData\Roaming\test.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4820
  • C:\Users\Admin\AppData\Roaming\test.exe
    C:\Users\Admin\AppData\Roaming\test.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1940
  • C:\Users\Admin\AppData\Roaming\test.exe
    C:\Users\Admin\AppData\Roaming\test.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4640
  • C:\Users\Admin\AppData\Roaming\test.exe
    C:\Users\Admin\AppData\Roaming\test.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3776
  • C:\Users\Admin\AppData\Roaming\test.exe
    C:\Users\Admin\AppData\Roaming\test.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\test.exe.log
    Filesize

    1KB

    MD5

    4a01567f513143419390cb40e6abaf71

    SHA1

    d0d714d6e526a652fc4e5de4e6040d6b0e7687ab

    SHA256

    6efaeb6a1b391155453a57c7e437575bb18efc174f3099d984d9dea49eecebad

    SHA512

    379fcb42d0f72d302482fadd4f25cbfa9c5f6a9c50222877d0eed91f237ec688eb52f65ee0d3fccfd017a6b14bd36f34fa0b77a388728fe3942a981322d7a4bc

    Download Submit

  • C:\Users\Admin\AppData\Roaming\test.exe
    Filesize

    43KB

    MD5

    b3f15e9e18cdd698c4e3080c168e4f6e

    SHA1

    30f685e4bf20e164637fcb784d39a16dc9509b4e

    SHA256

    778e0ce255971d766dccccd9026c69fbaf27886f2432c7ea5174783eaa1acdde

    SHA512

    e57d864edd1c30bc4111989b51ff5936d19ac682f7fea43eab059d4f08bcce2101af7ee252c06e0567aa01567a2dfc1af6e511f75a92145f705edaeedeeb1ef5

    Download Submit

  • memory/1540-0-0x00007FFF7D5D3000-0x00007FFF7D5D5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1540-1-0x0000000000850000-0x0000000000862000-memory.dmp

    Filesize

    72KB

    Download

  • memory/1540-2-0x00007FFF7D5D0000-0x00007FFF7E092000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1540-6-0x00007FFF7D5D3000-0x00007FFF7D5D5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1540-7-0x00007FFF7D5D0000-0x00007FFF7E092000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4820-10-0x00007FFF7D5D0000-0x00007FFF7E092000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4820-11-0x00007FFF7D5D0000-0x00007FFF7E092000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4820-13-0x00007FFF7D5D0000-0x00007FFF7E092000-memory.dmp

    Filesize

    10.8MB

    Download