Analysis

  • max time kernel
    119s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 03:08

General

  • Target

    3efcde49be9e18cebc5d95cbf04597be4ee7b95310f691b5e0a3275f77589a8eN.exe

  • Size

    43KB

  • MD5

    8b3bc56d3cb76d2a29e374b10252e190

  • SHA1

    cefb89b9265eb17ec51e5fe052604d37ac4ed7fb

  • SHA256

    3efcde49be9e18cebc5d95cbf04597be4ee7b95310f691b5e0a3275f77589a8e

  • SHA512

    ff331c78ab348ed258b6ad6e1dcd1800aa400dce422b1d7ee531aa48ba6c97af84545db95c58f119fe7ec46644d93c6ec3e48882dd3c64d5ba70d5ec46157a14

  • SSDEEP

    768:F/jqPyqisr4dGirXAHg5rbWOXBDZY9M7Sd/bDXNJb7bTDaSVIV27J:FNqwosBDZY9MKjBJb7bTnVIgJ

Malware Config

Extracted

Family

xenorat

C2

92.210.247.134

Mutex

NotronANtivirusClientbyme

Attributes
  • delay

    5000

  • install_path

    appdata

  • port

    4444

  • startup_name

    notron_av

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\3efcde49be9e18cebc5d95cbf04597be4ee7b95310f691b5e0a3275f77589a8eN.exe
    "C:\Users\Admin\AppData\Local\Temp\3efcde49be9e18cebc5d95cbf04597be4ee7b95310f691b5e0a3275f77589a8eN.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3380
    • C:\Users\Admin\AppData\Roaming\XenoManager\3efcde49be9e18cebc5d95cbf04597be4ee7b95310f691b5e0a3275f77589a8eN.exe
      "C:\Users\Admin\AppData\Roaming\XenoManager\3efcde49be9e18cebc5d95cbf04597be4ee7b95310f691b5e0a3275f77589a8eN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3464
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "notron_av" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C4F.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3efcde49be9e18cebc5d95cbf04597be4ee7b95310f691b5e0a3275f77589a8eN.exe.log

    Filesize

    226B

    MD5

    916851e072fbabc4796d8916c5131092

    SHA1

    d48a602229a690c512d5fdaf4c8d77547a88e7a2

    SHA256

    7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

    SHA512

    07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

  • C:\Users\Admin\AppData\Local\Temp\tmp9C4F.tmp

    Filesize

    1KB

    MD5

    5e8d46b54695f4c038ba0a15ab5459c4

    SHA1

    4cb3e76f5fb2c4b1a4c7900348c10fb820df063c

    SHA256

    38dc72902fa5b508a293b9a9f703e36b263b90857bb758774a819821074443a3

    SHA512

    03e40c17ed291909e20df9344c80ee92e1d30730cc9d4b8ad40bcd54c63e42b136340387b466aec807b3593bdb48d2c1587188ef68e4292f3e92868b29f9e74a

  • C:\Users\Admin\AppData\Roaming\XenoManager\3efcde49be9e18cebc5d95cbf04597be4ee7b95310f691b5e0a3275f77589a8eN.exe

    Filesize

    43KB

    MD5

    8b3bc56d3cb76d2a29e374b10252e190

    SHA1

    cefb89b9265eb17ec51e5fe052604d37ac4ed7fb

    SHA256

    3efcde49be9e18cebc5d95cbf04597be4ee7b95310f691b5e0a3275f77589a8e

    SHA512

    ff331c78ab348ed258b6ad6e1dcd1800aa400dce422b1d7ee531aa48ba6c97af84545db95c58f119fe7ec46644d93c6ec3e48882dd3c64d5ba70d5ec46157a14

  • memory/3380-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

    Filesize

    4KB

  • memory/3380-1-0x0000000000280000-0x0000000000292000-memory.dmp

    Filesize

    72KB

  • memory/3464-15-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/3464-18-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/3464-19-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB