Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-08-2024 20:39

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

    System

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • 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 4 IoCs

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

  • Modifies registry class 53 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 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:4796
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3456
    • C:\Users\Admin\Downloads\woah.exe
      "C:\Users\Admin\Downloads\woah.exe"
      1⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2480
      • C:\Users\Admin\AppData\Local\Temp\XenoManager\woah.exe
        "C:\Users\Admin\AppData\Local\Temp\XenoManager\woah.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1824
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "System" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC848.tmp" /F
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2560

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      226B

      MD5

      916851e072fbabc4796d8916c5131092

      SHA1

      d48a602229a690c512d5fdaf4c8d77547a88e7a2

      SHA256

      7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

      SHA512

      07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

    • C:\Users\Admin\AppData\Local\Temp\tmpC848.tmp

      Filesize

      1KB

      MD5

      d3042f4e1f5dd62834ccca00f14aed43

      SHA1

      51ef87b1c49b99a6f9bf52eda665ad827be2faa1

      SHA256

      d15da405535153699318d1a046abb17a8e3fb4421bff4b5016309a93bbe03bf3

      SHA512

      578ebefb9d886cd1b9d197a20910c6f843793941709cd9a885a0ee0ed067685d45958e68618825d58ecf3d96f10613d3124a67339d80f0b33e649c32062407ba

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

      Filesize

      45KB

      MD5

      84ae10e56be4c3d9e426a3c42b402a59

      SHA1

      2c3a59445f1df377ca0a90eeb4a9362a72ebe821

      SHA256

      af08cb4341f86de8643a33bcaa83f17282d7703b89ff546aed3a7406713c162c

      SHA512

      36d40b3eea259c87a702b6a2e65ac2c8495ef65880d06275db6cf35effcaf441f4bb040e56beb0a9dd10201c07bfe5def70f5eb6bc884d096a695fefef9d6af3

    • memory/2480-49-0x00000000749A0000-0x0000000075150000-memory.dmp

      Filesize

      7.7MB

    • memory/2480-36-0x00000000749A0000-0x0000000075150000-memory.dmp

      Filesize

      7.7MB

    • memory/2480-34-0x0000000000960000-0x0000000000972000-memory.dmp

      Filesize

      72KB

    • memory/4796-6-0x0000000006890000-0x00000000068A4000-memory.dmp

      Filesize

      80KB

    • memory/4796-17-0x00000000749A0000-0x0000000075150000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-7-0x00000000068C0000-0x00000000068DA000-memory.dmp

      Filesize

      104KB

    • memory/4796-9-0x0000000009D30000-0x0000000009D52000-memory.dmp

      Filesize

      136KB

    • memory/4796-10-0x0000000009F10000-0x0000000009FC2000-memory.dmp

      Filesize

      712KB

    • memory/4796-11-0x0000000008170000-0x00000000084C4000-memory.dmp

      Filesize

      3.3MB

    • memory/4796-13-0x00000000749A0000-0x0000000075150000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-14-0x00000000749AE000-0x00000000749AF000-memory.dmp

      Filesize

      4KB

    • memory/4796-16-0x00000000749A0000-0x0000000075150000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-8-0x00000000068F0000-0x0000000006902000-memory.dmp

      Filesize

      72KB

    • memory/4796-24-0x00000000088E0000-0x0000000008A04000-memory.dmp

      Filesize

      1.1MB

    • memory/4796-25-0x00000000014A0000-0x00000000014BA000-memory.dmp

      Filesize

      104KB

    • memory/4796-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

      Filesize

      4KB

    • memory/4796-5-0x00000000749A0000-0x0000000075150000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-4-0x00000000056E0000-0x00000000056EA000-memory.dmp

      Filesize

      40KB

    • memory/4796-3-0x0000000005730000-0x00000000057C2000-memory.dmp

      Filesize

      584KB

    • memory/4796-2-0x0000000005CE0000-0x0000000006284000-memory.dmp

      Filesize

      5.6MB

    • memory/4796-1-0x0000000000AC0000-0x0000000000CC2000-memory.dmp

      Filesize

      2.0MB