Analysis

  • max time kernel
    599s
  • max time network
    500s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01-09-2024 08:46

General

  • Target

    Fixer/Fixer.exe

  • Size

    45KB

  • MD5

    5ef7344600895b2f13d5d8e44537d946

  • SHA1

    bdf05e86b0c923a0c1edead40cc50819b185d4c0

  • SHA256

    50866224673bc35d89ba701eaf3e794f452fecf308e9fab36be21fe8c486a9d0

  • SHA512

    9563e4b2c98e3ccc8b47c9739a9a74680c9782f1bd18d67c80fb5f85e6bc667df72978b3d7858ddb30ba522d574215b720a2792b7e9e6d34759d0cdc2eb43c69

  • SSDEEP

    768:OdhO/poiiUcjlJInMzH9Xqk5nWEZ5SbTDadWI7CPW5h:Yw+jjgnuH9XqcnW85SbTMWI5

Malware Config

Extracted

Family

xenorat

C2

127.0.0.1

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    1

  • install_path

    appdata

  • port

    69

  • startup_name

    System-33

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • 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\Fixer\Fixer.exe
    "C:\Users\Admin\AppData\Local\Temp\Fixer\Fixer.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3368
    • C:\Users\Admin\AppData\Roaming\XenoManager\Fixer.exe
      "C:\Users\Admin\AppData\Roaming\XenoManager\Fixer.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2232
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "System-33" /XML "C:\Users\Admin\AppData\Local\Temp\tmp66B9.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    226B

    MD5

    957779c42144282d8cd83192b8fbc7cf

    SHA1

    de83d08d2cca06b9ff3d1ef239d6b60b705d25fe

    SHA256

    0d7ca7ba65e2b465e4878e324ceab8f8981f5ec06dcf5bc32559a4467a9c7d51

    SHA512

    f1549c61b4f2906d13b2aabb74772c2bc826cd42373d7bb6c48cbb125d5aa2ec17617e6b5e67e8aae3bb5790cc831cdba48a45008ed01df4fba8be448cce39fd

  • C:\Users\Admin\AppData\Local\Temp\tmp66B9.tmp

    Filesize

    1KB

    MD5

    2ab093f77a33e7004e362f78c87763a8

    SHA1

    2a4dcef9285dd583a33c1c5195cac7a37daee193

    SHA256

    4691f336ef4ce21e9f11416ab10393a8d4760db2025cfc0bd59acc25e018e234

    SHA512

    343b32e2048b259717e04dd98ef8900f3951ca79169947f1ed642b76965d95d517bd5a7878897aee21bd4350ac96aa1240e9d7e86e0fb53b05e28da716e95d3f

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

    Filesize

    45KB

    MD5

    5ef7344600895b2f13d5d8e44537d946

    SHA1

    bdf05e86b0c923a0c1edead40cc50819b185d4c0

    SHA256

    50866224673bc35d89ba701eaf3e794f452fecf308e9fab36be21fe8c486a9d0

    SHA512

    9563e4b2c98e3ccc8b47c9739a9a74680c9782f1bd18d67c80fb5f85e6bc667df72978b3d7858ddb30ba522d574215b720a2792b7e9e6d34759d0cdc2eb43c69

  • memory/2232-10-0x0000000073C70000-0x000000007435E000-memory.dmp

    Filesize

    6.9MB

  • memory/2232-11-0x0000000073C70000-0x000000007435E000-memory.dmp

    Filesize

    6.9MB

  • memory/2232-13-0x0000000073C70000-0x000000007435E000-memory.dmp

    Filesize

    6.9MB

  • memory/3368-0-0x0000000073C7E000-0x0000000073C7F000-memory.dmp

    Filesize

    4KB

  • memory/3368-1-0x0000000000510000-0x0000000000522000-memory.dmp

    Filesize

    72KB