Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2024 01:07

General

  • Target

    2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe

  • Size

    348KB

  • MD5

    2a8d5a1ffaab412d105732aa88021fa9

  • SHA1

    ff1a188dc9121e1cd8feda55937a01efe47ecdcd

  • SHA256

    2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1

  • SHA512

    840dd6d020ee45f14c60dafb662da94aee39e36e2e6eaf2aa3c16f5e1a5255db9d93a5bc4fe0693c8b6bbeecfba799d7f260b60e5365d9ba62fd54ad000c2dcc

  • SSDEEP

    6144:aVLrSJPZdikuk3beCsq2+1yEijN2HWEvIEwpFJ+zXbqUKXYI:ULrSJzikukasjOwHzQHpFJ+zXbqUKXF

Malware Config

Extracted

Family

xenorat

C2

154.216.17.155

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    50000

  • install_path

    appdata

  • port

    1356

  • startup_name

    csvr

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 3 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe
    "C:\Users\Admin\AppData\Local\Temp\2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Users\Admin\AppData\Local\Temp\2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe
      C:\Users\Admin\AppData\Local\Temp\2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3868
      • C:\Users\Admin\AppData\Roaming\XenoManager\2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe
        "C:\Users\Admin\AppData\Roaming\XenoManager\2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:408
        • C:\Users\Admin\AppData\Roaming\XenoManager\2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe
          4⤵
          • Executes dropped EXE
          PID:3980
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3980 -s 80
            5⤵
            • Program crash
            PID:1408
        • C:\Users\Admin\AppData\Roaming\XenoManager\2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1196
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /Create /TN "csvr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5985.tmp" /F
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1100
    • C:\Users\Admin\AppData\Local\Temp\2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe
      C:\Users\Admin\AppData\Local\Temp\2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe
      2⤵
        PID:872
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 872 -s 80
          3⤵
          • Program crash
          PID:2784
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 872 -ip 872
      1⤵
        PID:3700
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3980 -ip 3980
        1⤵
          PID:4128

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe.log

          Filesize

          706B

          MD5

          d95c58e609838928f0f49837cab7dfd2

          SHA1

          55e7139a1e3899195b92ed8771d1ca2c7d53c916

          SHA256

          0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

          SHA512

          405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

        • C:\Users\Admin\AppData\Local\Temp\tmp5985.tmp

          Filesize

          1KB

          MD5

          363b92f2266d66704e35f170ca4839d9

          SHA1

          8fbefbbe44b4b5e580cbd0f2438dbbaf31314724

          SHA256

          4261996c75bff3351deea3f6dd6b64b485a67792db7ee40fe9554a74bf604e43

          SHA512

          2145be632560c1961995f271eddeedf3b065498b9f0216d561f034f14d5281bd4f3c9b0008f5816557e77df416d011884f7d8ef61c4b747142d496e2622d94b4

        • C:\Users\Admin\AppData\Roaming\XenoManager\2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1.exe

          Filesize

          348KB

          MD5

          2a8d5a1ffaab412d105732aa88021fa9

          SHA1

          ff1a188dc9121e1cd8feda55937a01efe47ecdcd

          SHA256

          2b700f4c8c95319e90414db0e22d42467ebf5843d397b907f817672b9501ade1

          SHA512

          840dd6d020ee45f14c60dafb662da94aee39e36e2e6eaf2aa3c16f5e1a5255db9d93a5bc4fe0693c8b6bbeecfba799d7f260b60e5365d9ba62fd54ad000c2dcc

        • memory/408-27-0x0000000075240000-0x00000000759F0000-memory.dmp

          Filesize

          7.7MB

        • memory/408-29-0x0000000075240000-0x00000000759F0000-memory.dmp

          Filesize

          7.7MB

        • memory/408-35-0x0000000075240000-0x00000000759F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1196-36-0x0000000075240000-0x00000000759F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1196-34-0x0000000075240000-0x00000000759F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1868-8-0x0000000002820000-0x0000000002826000-memory.dmp

          Filesize

          24KB

        • memory/1868-3-0x0000000075240000-0x00000000759F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1868-15-0x0000000075240000-0x00000000759F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1868-2-0x0000000002930000-0x0000000002936000-memory.dmp

          Filesize

          24KB

        • memory/1868-0-0x000000007524E000-0x000000007524F000-memory.dmp

          Filesize

          4KB

        • memory/1868-4-0x000000000D8C0000-0x000000000D916000-memory.dmp

          Filesize

          344KB

        • memory/1868-7-0x000000000DAF0000-0x000000000DB82000-memory.dmp

          Filesize

          584KB

        • memory/1868-6-0x000000000E000000-0x000000000E5A4000-memory.dmp

          Filesize

          5.6MB

        • memory/1868-5-0x000000000D9B0000-0x000000000DA4C000-memory.dmp

          Filesize

          624KB

        • memory/1868-1-0x0000000000310000-0x0000000000370000-memory.dmp

          Filesize

          384KB

        • memory/3868-9-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/3868-14-0x0000000075240000-0x00000000759F0000-memory.dmp

          Filesize

          7.7MB

        • memory/3868-28-0x0000000075240000-0x00000000759F0000-memory.dmp

          Filesize

          7.7MB