Overview

overview

10

Static

static

10

xca.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 12:29

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General

  • Target

    xca.exe

  • Size

    34KB

  • MD5

    cddd357366899c16ac793a9c02a2bc91

  • SHA1

    51b94c67865078445f18cd88a9094201925b43cf

  • SHA256

    61a40644545efe9ca21ab98829d613af37024cd779126ed55e7fd404912671f4

  • SHA512

    b6c0a5877cf6d42976819a8545a6f316b44938da10e2a2d383b389a7eeba3a12d4c14dd7198f4c77cf7e0ebf2507f5d66dac62e568a66a6f2622442a7fae0b16

  • SSDEEP

    768:3teHgjgARFWlaPMDVMpXgdGlA9Fg9uNO/hrbj:9QERFaaUD+BgdeeFg9uNO/Vv

Score
10/10
xwormrattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

friends-analytical.gl.at.ply.gg:44471

Mutex

1AMdFhkQS1xb2SWs

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    svchost.exe

aes.plain

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 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\xca.exe
    "C:\Users\Admin\AppData\Local\Temp\xca.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4444
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\svchost.exe"
      2⤵
      • Creates scheduled task(s)
      PID:4012
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3100
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1248
    • C:\Users\Admin\svchost.exe
      C:\Users\Admin\svchost.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3104
    • C:\Users\Admin\svchost.exe
      C:\Users\Admin\svchost.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2384
    • C:\Users\Admin\svchost.exe
      C:\Users\Admin\svchost.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:804
    • C:\Windows\System32\winver.exe
      "C:\Windows\System32\winver.exe"
      1⤵
        PID:1360

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        654B

        MD5

        2ff39f6c7249774be85fd60a8f9a245e

        SHA1

        684ff36b31aedc1e587c8496c02722c6698c1c4e

        SHA256

        e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

        SHA512

        1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

        Download Submit

      • C:\Users\Admin\svchost.exe
        Filesize

        34KB

        MD5

        cddd357366899c16ac793a9c02a2bc91

        SHA1

        51b94c67865078445f18cd88a9094201925b43cf

        SHA256

        61a40644545efe9ca21ab98829d613af37024cd779126ed55e7fd404912671f4

        SHA512

        b6c0a5877cf6d42976819a8545a6f316b44938da10e2a2d383b389a7eeba3a12d4c14dd7198f4c77cf7e0ebf2507f5d66dac62e568a66a6f2622442a7fae0b16

        Download Submit

      • memory/3100-13-0x000001C69EA00000-0x000001C69EA01000-memory.dmp

        Filesize

        4KB

        Download

      • memory/3100-10-0x000001C69EA00000-0x000001C69EA01000-memory.dmp

        Filesize

        4KB

        Download

      • memory/3100-3-0x000001C69EA00000-0x000001C69EA01000-memory.dmp

        Filesize

        4KB

        Download

      • memory/3100-12-0x000001C69EA00000-0x000001C69EA01000-memory.dmp

        Filesize

        4KB

        Download

      • memory/3100-15-0x000001C69EA00000-0x000001C69EA01000-memory.dmp

        Filesize

        4KB

        Download

      • memory/3100-14-0x000001C69EA00000-0x000001C69EA01000-memory.dmp

        Filesize

        4KB

        Download

      • memory/3100-5-0x000001C69EA00000-0x000001C69EA01000-memory.dmp

        Filesize

        4KB

        Download

      • memory/3100-4-0x000001C69EA00000-0x000001C69EA01000-memory.dmp

        Filesize

        4KB

        Download

      • memory/3100-9-0x000001C69EA00000-0x000001C69EA01000-memory.dmp

        Filesize

        4KB

        Download

      • memory/3100-11-0x000001C69EA00000-0x000001C69EA01000-memory.dmp

        Filesize

        4KB

        Download

      • memory/4444-16-0x00007FFD5B970000-0x00007FFD5C431000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/4444-0-0x00007FFD5B973000-0x00007FFD5B975000-memory.dmp

        Filesize

        8KB

        Download

      • memory/4444-20-0x00007FFD5B970000-0x00007FFD5C431000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/4444-1-0x0000000000A90000-0x0000000000A9E000-memory.dmp

        Filesize

        56KB

        Download