Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 14:47

General

  • Target

    yes.exe

  • Size

    45KB

  • MD5

    c56ec548db6d8adab14605421dc116e3

  • SHA1

    1d440b7cbea0497cfcaf1dfa3f681d9a0d15a5a8

  • SHA256

    067884413fb4c673359b6a154e428d3f91a6bd7b5d9c98428edc5cd7e327c97b

  • SHA512

    c8459f677a608ff54cbb030f934f3d58636e19651d0a2e383500b80bbf9cd4c399341e34dd495afadd26ebcc1addd22bdfff2a45357939ce25c116c600e8d510

  • SSDEEP

    768:gdhO/poiiUcjlJInpb+Ya3H9Xqk5nWEZ5SbTDa7uI7CPW5i:Sw+jjgnsH9XqcnW85SbTGuI6

Malware Config

Extracted

Family

xenorat

C2

198.44.133.131

Mutex

Attributes
  • delay

    5000

  • install_path

    appdata

  • port

    13579

  • startup_name

    Windows CL

Signatures

  • Detect XenoRat Payload 3 IoCs
  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Xenorat family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\yes.exe
    "C:\Users\Admin\AppData\Local\Temp\yes.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2760
    • C:\Users\Admin\AppData\Roaming\XenoManager\yes.exe
      "C:\Users\Admin\AppData\Roaming\XenoManager\yes.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2212
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "Windows CL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    e3e27d445d0b4b3df0b60a8ef69b6654

    SHA1

    1e605620cb42844a298f5cd37def59c479910eb6

    SHA256

    d7743f1b2a392a211164e3454f392b116177c5e01092417b35caa39cb3689c48

    SHA512

    59998f137c840ef54a774c2c149c9a3a05f08eb0a817ff81dc95cb49496979eca8005e05a960b172fd26a424f1a88982bce61c3dc84c70809a442681b43ca0c3

  • \Users\Admin\AppData\Roaming\XenoManager\yes.exe

    Filesize

    45KB

    MD5

    c56ec548db6d8adab14605421dc116e3

    SHA1

    1d440b7cbea0497cfcaf1dfa3f681d9a0d15a5a8

    SHA256

    067884413fb4c673359b6a154e428d3f91a6bd7b5d9c98428edc5cd7e327c97b

    SHA512

    c8459f677a608ff54cbb030f934f3d58636e19651d0a2e383500b80bbf9cd4c399341e34dd495afadd26ebcc1addd22bdfff2a45357939ce25c116c600e8d510

  • memory/2212-9-0x0000000000FC0000-0x0000000000FD2000-memory.dmp

    Filesize

    72KB

  • memory/2212-10-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2212-13-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2212-14-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2212-15-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2760-0-0x000000007490E000-0x000000007490F000-memory.dmp

    Filesize

    4KB

  • memory/2760-1-0x00000000008C0000-0x00000000008D2000-memory.dmp

    Filesize

    72KB