Analysis

  • max time kernel
    144s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 17:26

General

  • Target

    utthdfgd.exe

  • Size

    45KB

  • MD5

    f0fdc0b13c302bedbbebf9883cf3ffa2

  • SHA1

    3a0bfca5bd5695372d57029a24f99b1ecbefe443

  • SHA256

    f121a7a6bec3889cdf928ab386d5115f9485e0df3943f1e7155829254ee13847

  • SHA512

    f25f19c0ab53811e4ba0ed2c56359789323375272d3685e698fd330e3a7b21ce0eb84e2f223ddc0125661b536baebb53ce78f6c5e40d1840bff5c4f3f5fe3f9f

  • SSDEEP

    768:FdhO/poiiUcjlJInazH9Xqk5nWEZ5SbTDa+WI7CPW59:bw+jjgnYH9XqcnW85SbTPWIV

Malware Config

Extracted

Family

xenorat

C2

0.0.0.0

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    1

  • install_path

    appdata

  • port

    8888

  • startup_name

    Windows

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\utthdfgd.exe
    "C:\Users\Admin\AppData\Local\Temp\utthdfgd.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Roaming\XenoManager\utthdfgd.exe
      "C:\Users\Admin\AppData\Roaming\XenoManager\utthdfgd.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4616
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "Windows" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA46E.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    226B

    MD5

    916851e072fbabc4796d8916c5131092

    SHA1

    d48a602229a690c512d5fdaf4c8d77547a88e7a2

    SHA256

    7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

    SHA512

    07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

  • C:\Users\Admin\AppData\Local\Temp\tmpA46E.tmp

    Filesize

    1KB

    MD5

    06e85dacdfe730c91184c0fbf263a068

    SHA1

    b4e823bd79b7da585a1d5a606745cba6bb48fb34

    SHA256

    b4c95b80c0d1b208296ec426811c8ccd49f91fcde094efd7df34059a021818c9

    SHA512

    2dc699a530aed67b2162342133e3d76da6190dd2939bba420f775715cdf58d9a15cc2c332a376a770cfca7e50976d0348d116e2d39b0561d39243cc2faf7f153

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

    Filesize

    45KB

    MD5

    f0fdc0b13c302bedbbebf9883cf3ffa2

    SHA1

    3a0bfca5bd5695372d57029a24f99b1ecbefe443

    SHA256

    f121a7a6bec3889cdf928ab386d5115f9485e0df3943f1e7155829254ee13847

    SHA512

    f25f19c0ab53811e4ba0ed2c56359789323375272d3685e698fd330e3a7b21ce0eb84e2f223ddc0125661b536baebb53ce78f6c5e40d1840bff5c4f3f5fe3f9f

  • memory/2512-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

    Filesize

    4KB

  • memory/2512-1-0x0000000000D70000-0x0000000000D82000-memory.dmp

    Filesize

    72KB

  • memory/4616-16-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/4616-18-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/4616-19-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB