Analysis

  • max time kernel
    133s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2024 17:04

General

  • Target

    BEForcer.exe

  • Size

    45KB

  • MD5

    888405f1ed21b89ac08343458251bf26

  • SHA1

    4c9b54da2336376441af26ed4bedcd6fda1b316f

  • SHA256

    a8b6f84c5a83b221cb27203a565852745db0010e793aedfe2e98db4cd7f10859

  • SHA512

    4280eddeaba17692a542ab11e1ad92cde5aedd0857990bea01dbd967334801318fd5c31519e58af021ff07c7cf37c2cea6c99502d7f7c1b26852cfb935e3a2a1

  • SSDEEP

    768:1dhO/poiiUcjlJInYqH9Xqk5nWEZ5SbTDa3WI7CPW5R:Lw+jjgnzH9XqcnW85SbTGWI5

Score
10/10

Malware Config

Extracted

Family

xenorat

C2

23.243.100.240

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    5000

  • install_path

    appdata

  • port

    4444

  • startup_name

    Windows Security

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).

  • 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\BEForcer.exe
    "C:\Users\Admin\AppData\Local\Temp\BEForcer.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3756
    • C:\Users\Admin\AppData\Roaming\XenoManager\BEForcer.exe
      "C:\Users\Admin\AppData\Roaming\XenoManager\BEForcer.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3316
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "Windows Security" /XML "C:\Users\Admin\AppData\Local\Temp\tmp48F.tmp" /F
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1108
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3804,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8
    1⤵
      PID:4144

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      226B

      MD5

      916851e072fbabc4796d8916c5131092

      SHA1

      d48a602229a690c512d5fdaf4c8d77547a88e7a2

      SHA256

      7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

      SHA512

      07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

    • C:\Users\Admin\AppData\Local\Temp\tmp48F.tmp
      Filesize

      1KB

      MD5

      f78d2f389b8f658fde9e7f33dee66c15

      SHA1

      d222b225e0d734b93a2b04e4fdbaf4910ed4e69d

      SHA256

      f1bef8ec4cd223f9278b0f54af5579aa335966ac6d0588f27aa9b8f3d3d6d786

      SHA512

      b31f9e7c1ef8ae4bf0eb61fdad582908aadd35367855e71cb9f0c1e957dd4c7276262b6f483cd16836aa0ff7897f34de4b6039daa41a8a183ae0ea2a156c275c

    • C:\Users\Admin\AppData\Roaming\XenoManager\BEForcer.exe
      Filesize

      45KB

      MD5

      888405f1ed21b89ac08343458251bf26

      SHA1

      4c9b54da2336376441af26ed4bedcd6fda1b316f

      SHA256

      a8b6f84c5a83b221cb27203a565852745db0010e793aedfe2e98db4cd7f10859

      SHA512

      4280eddeaba17692a542ab11e1ad92cde5aedd0857990bea01dbd967334801318fd5c31519e58af021ff07c7cf37c2cea6c99502d7f7c1b26852cfb935e3a2a1

    • memory/3316-15-0x0000000074700000-0x0000000074EB0000-memory.dmp
      Filesize

      7.7MB

    • memory/3316-16-0x0000000074700000-0x0000000074EB0000-memory.dmp
      Filesize

      7.7MB

    • memory/3316-19-0x0000000074700000-0x0000000074EB0000-memory.dmp
      Filesize

      7.7MB

    • memory/3756-0-0x000000007470E000-0x000000007470F000-memory.dmp
      Filesize

      4KB

    • memory/3756-1-0x0000000000C10000-0x0000000000C22000-memory.dmp
      Filesize

      72KB