Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 12:24

General

  • Target

    xeno rat server.exe

  • Size

    2.0MB

  • MD5

    3987ee127f2a2cf8a29573d4e111a8e8

  • SHA1

    fc253131e832297967f93190217f0ce403e38cb0

  • SHA256

    3d00a800474ddf382212e003222805bd74665b69cec43b554f91c3cd9edf04c4

  • SHA512

    69d5ac7a691dde1a3ed7f495e9b9180e63152ddaaa3d1b596ad9cbeb4d7b088f3fc4b138ecf87070014cdfa9047be18940b720de60642389921a10053250787b

  • SSDEEP

    49152:EnxkNTRWjxoJochWQI3kqXfd+/9AManGhR0vNgtIeGWtOc5Q:ExkNTcaJhDI3kqXf0FtWykQDCiQ

Malware Config

Extracted

Family

xenorat

C2

127.0.0.1

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    5000

  • install_path

    temp

  • port

    4444

  • startup_name

    nothingset

Signatures

  • Detect XenoRat Payload 2 IoCs
  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Xenorat family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xeno rat server.exe
    "C:\Users\Admin\AppData\Local\Temp\xeno rat server.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    PID:4964
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2644
    • C:\Users\Admin\Downloads\client.exe
      "C:\Users\Admin\Downloads\client.exe"
      1⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3976
      • C:\Users\Admin\AppData\Local\Temp\XenoManager\client.exe
        "C:\Users\Admin\AppData\Local\Temp\XenoManager\client.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2576

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\client.exe.log

      Filesize

      226B

      MD5

      916851e072fbabc4796d8916c5131092

      SHA1

      d48a602229a690c512d5fdaf4c8d77547a88e7a2

      SHA256

      7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

      SHA512

      07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

    • C:\Users\Admin\Downloads\client.exe

      Filesize

      45KB

      MD5

      2031a5e3b0a86255c3eee127f03f3ddd

      SHA1

      b2dcdc0171a1928c30a769115941473244462614

      SHA256

      937e8cce6444428fa8ef3997f5ac2fffae3130cd55e3c5f36a6f680c8ef72391

      SHA512

      6f2e2a1c0065ad7cf9e3c3a29726b7cca1352a8d2c591463f04a7a25d5de1dfd9650d726cfb282d2248a91074adeb649591efe542cbc343e8d12b31c3e2f495e

    • memory/2576-46-0x0000000005A50000-0x0000000005AB6000-memory.dmp

      Filesize

      408KB

    • memory/3976-44-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3976-31-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3976-29-0x0000000000ED0000-0x0000000000EE2000-memory.dmp

      Filesize

      72KB

    • memory/4964-6-0x0000000005190000-0x00000000051A4000-memory.dmp

      Filesize

      80KB

    • memory/4964-17-0x0000000007CB0000-0x0000000007DD4000-memory.dmp

      Filesize

      1.1MB

    • memory/4964-8-0x0000000006310000-0x0000000006322000-memory.dmp

      Filesize

      72KB

    • memory/4964-9-0x00000000094F0000-0x0000000009512000-memory.dmp

      Filesize

      136KB

    • memory/4964-10-0x000000007532E000-0x000000007532F000-memory.dmp

      Filesize

      4KB

    • memory/4964-11-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4964-12-0x00000000096D0000-0x0000000009782000-memory.dmp

      Filesize

      712KB

    • memory/4964-13-0x0000000007940000-0x0000000007C94000-memory.dmp

      Filesize

      3.3MB

    • memory/4964-16-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4964-7-0x00000000062F0000-0x000000000630A000-memory.dmp

      Filesize

      104KB

    • memory/4964-18-0x00000000005A0000-0x00000000005BA000-memory.dmp

      Filesize

      104KB

    • memory/4964-19-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4964-0-0x000000007532E000-0x000000007532F000-memory.dmp

      Filesize

      4KB

    • memory/4964-4-0x0000000075320000-0x0000000075AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4964-5-0x0000000005040000-0x000000000504A000-memory.dmp

      Filesize

      40KB

    • memory/4964-3-0x0000000004F90000-0x0000000005022000-memory.dmp

      Filesize

      584KB

    • memory/4964-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

      Filesize

      5.6MB

    • memory/4964-1-0x0000000000280000-0x0000000000482000-memory.dmp

      Filesize

      2.0MB

    • memory/4964-47-0x0000000008680000-0x0000000008692000-memory.dmp

      Filesize

      72KB