Analysis

  • max time kernel
    143s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-07-2024 09:38

General

  • Target

    fun.exe

  • Size

    45KB

  • MD5

    826b01e057aae796faab768d38a77e28

  • SHA1

    49a9ba71484951f992cc40380b008a14a702968c

  • SHA256

    5d8bc8984c81225d7a5f9f7831f2eee9cc69223413f3c06da9ee5192d3121337

  • SHA512

    dcb89f962445c6a32c1760fb37cf981500e0c4cbf785f511ed2ddcdaf86b2e3c45467e5dde073d3dc8b6ffa66ba809f195d04c98cfb6fbd73e4fc54f21ab565d

  • SSDEEP

    768:FdhO/poiiUcjlJIntVH9Xqk5nWEZ5SbTDaiuI7CPW5y:bw+jjgnbH9XqcnW85SbTfuI6

Malware Config

Extracted

Family

xenorat

C2

93.133.249.30

Mutex

fadspkakpsd

Attributes
  • delay

    5000

  • install_path

    appdata

  • port

    4444

  • startup_name

    fun.exe

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 1 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.

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

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fun.exe
    "C:\Users\Admin\AppData\Local\Temp\fun.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Users\Admin\AppData\Roaming\XenoManager\fun.exe
      "C:\Users\Admin\AppData\Roaming\XenoManager\fun.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5032
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "fun.exe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFCEE.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    f777efba12c06529422b90443c1d5a02

    SHA1

    979500f39a901c74458e8130b549ef522e929ccb

    SHA256

    adb5fd113c810a07ab2b021bfd6fb3a3153ba034196a4f931512372cf5448862

    SHA512

    62df9390b2170ab862a32f5ca73b5cf10eb56dfd42438a55a96aecb3e1811e5a71643321f98703d7eda2aa8655012c624a1a3c9d9f8127093f2c9f6937b02a11

  • C:\Users\Admin\AppData\Roaming\XenoManager\fun.exe

    Filesize

    45KB

    MD5

    826b01e057aae796faab768d38a77e28

    SHA1

    49a9ba71484951f992cc40380b008a14a702968c

    SHA256

    5d8bc8984c81225d7a5f9f7831f2eee9cc69223413f3c06da9ee5192d3121337

    SHA512

    dcb89f962445c6a32c1760fb37cf981500e0c4cbf785f511ed2ddcdaf86b2e3c45467e5dde073d3dc8b6ffa66ba809f195d04c98cfb6fbd73e4fc54f21ab565d

  • memory/2668-0-0x000000007447E000-0x000000007447F000-memory.dmp

    Filesize

    4KB

  • memory/2668-1-0x0000000000130000-0x0000000000142000-memory.dmp

    Filesize

    72KB

  • memory/5032-14-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/5032-17-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB