Overview

overview

10

Static

static

10

Firefox In...d).exe

windows7-x64

10

Firefox In...d).exe

windows10-2004-x64

10

Firefox In...d).exe

android-9-x86

Firefox In...d).exe

android-10-x64

Firefox In...d).exe

android-11-x64

Firefox In...d).exe

macos-10.15-amd64

Firefox In...d).exe

ubuntu-18.04-amd64

Firefox In...d).exe

debian-9-armhf

Firefox In...d).exe

debian-9-mips

Firefox In...d).exe

debian-9-mipsel

Resubmissions

13-01-2025 01:00

250113-bcnq5axqbt 10

09-01-2025 12:16

250109-pfhwyazjhs 10

06-01-2025 14:21

250106-rpb6vs1kgr 10

02-01-2025 20:47

250102-zlagvsvpdv 10

02-01-2025 20:45

250102-zjvd9ayjar 10

Analysis

  • max time kernel
    881s
  • max time network
    893s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13-01-2025 01:00

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General

  • Target

    Firefox Installer (ratted).exe

  • Size

    170KB

  • MD5

    200eb10c73336127006740ae06003933

  • SHA1

    32ef06528018d4f9fc8da3a7e7e07363b3a143f4

  • SHA256

    b46624ea261bec807dc1f93431ab3156450646976443c27322a7a9c4eec5e5f0

  • SHA512

    026eb0e018f25449f664dbc2655cfb5c360fd60a928fec344bd31b3cefa01a3fcce4dd1fc87b3aabce7557db57cb1247a1984c69b3ecb00d83f388fd6b09a0ce

  • SSDEEP

    1536:4ig4nFL9z2BOwVCMs6se7llqn17KineXd2wVKtivEYoNRh8RX9EIKhI49No:5zFL9zWOw7sgbcUieNJqKoPC5+Lm

Score
10/10
xwormrattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

109.231.31.129:2021

Mutex

H7HNKbba3h7eEPOa

Attributes
  • Install_directory

    %AppData%

  • install_file

    FlrefoxUpdate.exe

aes.plain

Signatures

  • Detect Xworm Payload 11 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • Executes dropped EXE 15 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 48 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\Firefox Installer (ratted).exe
    "C:\Users\Admin\AppData\Local\Temp\Firefox Installer (ratted).exe" cmd /c %SIGILL% "SIGTERM|DELETE|SIGKILL"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "FlrefoxUpdate" /tr "C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2528
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {2D41D1DB-87BE-40EA-8B62-C76DAD0490DE} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2688
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1952
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2496
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3060
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1456
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2672
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2760
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1700
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2532
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1560
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2384
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1640
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1628
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2060
    • C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      C:\Users\Admin\AppData\Roaming\FlrefoxUpdate.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    170KB

    MD5

    200eb10c73336127006740ae06003933

    SHA1

    32ef06528018d4f9fc8da3a7e7e07363b3a143f4

    SHA256

    b46624ea261bec807dc1f93431ab3156450646976443c27322a7a9c4eec5e5f0

    SHA512

    026eb0e018f25449f664dbc2655cfb5c360fd60a928fec344bd31b3cefa01a3fcce4dd1fc87b3aabce7557db57cb1247a1984c69b3ecb00d83f388fd6b09a0ce

    Download Submit

  • memory/1628-27-0x00000000010A0000-0x00000000010D0000-memory.dmp

    Filesize

    192KB

    Download

  • memory/1700-20-0x0000000000B80000-0x0000000000BB0000-memory.dmp

    Filesize

    192KB

    Download

  • memory/1952-11-0x0000000000010000-0x0000000000040000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2060-29-0x0000000000230000-0x0000000000260000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2204-1-0x00000000000B0000-0x00000000000E0000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2204-3-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/2204-4-0x000007FEF5163000-0x000007FEF5164000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2204-5-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/2204-0-0x000007FEF5163000-0x000007FEF5164000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2384-24-0x0000000000FC0000-0x0000000000FF0000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2496-13-0x00000000011B0000-0x00000000011E0000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2688-9-0x0000000000FB0000-0x0000000000FE0000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2760-18-0x0000000000370000-0x00000000003A0000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2840-31-0x0000000000A30000-0x0000000000A60000-memory.dmp

    Filesize

    192KB

    Download