Analysis

  • max time kernel
    298s
  • max time network
    208s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    23-12-2024 12:06

General

  • Target

    loader.exe

  • Size

    45KB

  • MD5

    9bcea0087c56e3d6ae3b40332c44e6cd

  • SHA1

    61cc52ec9d192706016b0eb2ebe8da3ccee490a7

  • SHA256

    ff6e1d9f0fe45d9fe3dc7af141d59f9cfbf17be078882fb5871395033e3200ed

  • SHA512

    a4cfa4d5fc8cbef0e7d4b933daea0a45af5ab9945ec41c5e63236cfd7e07be78700281945ed2aaabd1cccbab165a8c103c2ede22a08492fd309fbce1562a6672

  • SSDEEP

    768:6dhO/poiiUcjlJIn63H9Xqk5nWEZ5SbTDatuI7CPW5z:cw+jjgnkH9XqcnW85SbTYuIL

Malware Config

Extracted

Family

xenorat

C2

127.0.0.1

Mutex

Loader

Attributes
  • delay

    5000

  • install_path

    appdata

  • port

    4444

  • startup_name

    loader

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 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\loader.exe
    "C:\Users\Admin\AppData\Local\Temp\loader.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Users\Admin\AppData\Roaming\XenoManager\loader.exe
      "C:\Users\Admin\AppData\Roaming\XenoManager\loader.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3792
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "loader" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7FDE.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    226B

    MD5

    66aea5e724c4a224d092067c3381783b

    SHA1

    ee3cc64c4370a255391bdfeef2883d5b7a6e6230

    SHA256

    04b17cab961f973464bba8924f764edef6451d1774f2405d27ef33d164296923

    SHA512

    5d719e303f491d1443cb7c7e8946481e90532522a422c98f82466e1eddcd1ef24a4505dcbf75f2191fbb66825d3550566d7f408a3854edeb4c1a192c8c9a6d06

  • C:\Users\Admin\AppData\Local\Temp\tmp7FDE.tmp

    Filesize

    1KB

    MD5

    06127a997b55b3321cbd0434a1fb3e73

    SHA1

    ad0d799b0419387002fd7481ceec6dbad8a33a11

    SHA256

    9ac39a424121ac325240b02d49e0ab3f83679614d85d2157c0aa62bd1a7ca043

    SHA512

    98242547e5c0c57af37a8e11e0544b497866a67f48c06d6cfe03a26b898eff29bad375b0b559c6f06da4c44a9e8d678308a0f4f2178014ec08e119411030cb8f

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

    Filesize

    45KB

    MD5

    9bcea0087c56e3d6ae3b40332c44e6cd

    SHA1

    61cc52ec9d192706016b0eb2ebe8da3ccee490a7

    SHA256

    ff6e1d9f0fe45d9fe3dc7af141d59f9cfbf17be078882fb5871395033e3200ed

    SHA512

    a4cfa4d5fc8cbef0e7d4b933daea0a45af5ab9945ec41c5e63236cfd7e07be78700281945ed2aaabd1cccbab165a8c103c2ede22a08492fd309fbce1562a6672

  • memory/1544-0-0x000000007450E000-0x000000007450F000-memory.dmp

    Filesize

    4KB

  • memory/1544-1-0x0000000000010000-0x0000000000022000-memory.dmp

    Filesize

    72KB

  • memory/3792-5-0x0000000074500000-0x0000000074CB1000-memory.dmp

    Filesize

    7.7MB

  • memory/3792-8-0x0000000074500000-0x0000000074CB1000-memory.dmp

    Filesize

    7.7MB

  • memory/3792-9-0x0000000074500000-0x0000000074CB1000-memory.dmp

    Filesize

    7.7MB