Analysis

  • max time kernel
    139s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 15:11

General

  • Target

    261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe

  • Size

    250KB

  • MD5

    b16e3deed533b0b97839adc57825ac54

  • SHA1

    0caf148875709419edb06408347ccf5d7d4f1ba2

  • SHA256

    261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f

  • SHA512

    4541fdb656c0073acc79b92f5aa307b3cbae0f0186408184412a29e7b636a75b5793ad14703e7a013b89aa4eb5d1585811823d9595a587d8d5862057012a50c0

  • SSDEEP

    6144:u2e1dL1VnASuuQgXoHMe1IZ3anF/nf95hSQDI:WDV0WoHMrm/nf95hSQE

Malware Config

Extracted

Family

xenorat

C2

45.66.231.63

Mutex

Holid_rat_nd8859g

Attributes
  • delay

    60400

  • install_path

    appdata

  • port

    1243

  • startup_name

    HDdisplay

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 5 IoCs
  • Suspicious use of SetThreadContext 8 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 9 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
    "C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
      C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
      2⤵
        PID:376
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 80
          3⤵
          • Program crash
          PID:3776
      • C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
        C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1928
        • C:\Users\Admin\AppData\Roaming\XenoManager\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
          "C:\Users\Admin\AppData\Roaming\XenoManager\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4848
          • C:\Users\Admin\AppData\Roaming\XenoManager\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
            4⤵
            • Executes dropped EXE
            PID:4936
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 80
              5⤵
              • Program crash
              PID:648
          • C:\Users\Admin\AppData\Roaming\XenoManager\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4440
          • C:\Users\Admin\AppData\Roaming\XenoManager\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:440
          • C:\Users\Admin\AppData\Roaming\XenoManager\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2300
      • C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
        C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
        2⤵
        • System Location Discovery: System Language Discovery
        PID:4544
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "HDdisplay" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC762.tmp" /F
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4020
      • C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
        C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
        2⤵
        • System Location Discovery: System Language Discovery
        PID:1932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 376 -ip 376
      1⤵
        PID:4828
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4936 -ip 4936
        1⤵
          PID:3696

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe.log

          Filesize

          706B

          MD5

          d95c58e609838928f0f49837cab7dfd2

          SHA1

          55e7139a1e3899195b92ed8771d1ca2c7d53c916

          SHA256

          0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

          SHA512

          405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

        • C:\Users\Admin\AppData\Local\Temp\tmpC762.tmp

          Filesize

          1KB

          MD5

          033d0f49f90c70dd3c85e980f3bbc8f7

          SHA1

          9cd50726e46674e9deee03e2bffd2e8cc95ffa24

          SHA256

          5af95bb32244ce00f0bf3e956a930ad9b1ea4acefc10a4509f336117d5f0e9a7

          SHA512

          d7af86a93ca4b16127eb38b2dcacacc310cefe725c0e092943377f9cb63e9124b03ef980342b1c2521788b0116493f4500bcc52216a894784e0844e02f26a66e

        • C:\Users\Admin\AppData\Roaming\XenoManager\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe

          Filesize

          250KB

          MD5

          b16e3deed533b0b97839adc57825ac54

          SHA1

          0caf148875709419edb06408347ccf5d7d4f1ba2

          SHA256

          261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f

          SHA512

          4541fdb656c0073acc79b92f5aa307b3cbae0f0186408184412a29e7b636a75b5793ad14703e7a013b89aa4eb5d1585811823d9595a587d8d5862057012a50c0

        • memory/1928-10-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/1928-30-0x0000000074A60000-0x0000000075210000-memory.dmp

          Filesize

          7.7MB

        • memory/1928-13-0x0000000074A60000-0x0000000075210000-memory.dmp

          Filesize

          7.7MB

        • memory/1960-8-0x0000000005790000-0x0000000005796000-memory.dmp

          Filesize

          24KB

        • memory/1960-7-0x0000000005BD0000-0x0000000005C62000-memory.dmp

          Filesize

          584KB

        • memory/1960-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

          Filesize

          4KB

        • memory/1960-6-0x00000000060E0000-0x0000000006684000-memory.dmp

          Filesize

          5.6MB

        • memory/1960-5-0x0000000005A90000-0x0000000005B2C000-memory.dmp

          Filesize

          624KB

        • memory/1960-4-0x00000000059B0000-0x00000000059F0000-memory.dmp

          Filesize

          256KB

        • memory/1960-19-0x0000000074A60000-0x0000000075210000-memory.dmp

          Filesize

          7.7MB

        • memory/1960-3-0x0000000074A60000-0x0000000075210000-memory.dmp

          Filesize

          7.7MB

        • memory/1960-2-0x0000000003290000-0x0000000003296000-memory.dmp

          Filesize

          24KB

        • memory/1960-1-0x0000000000DC0000-0x0000000000E06000-memory.dmp

          Filesize

          280KB

        • memory/4544-17-0x0000000074A60000-0x0000000075210000-memory.dmp

          Filesize

          7.7MB

        • memory/4544-18-0x0000000074A60000-0x0000000075210000-memory.dmp

          Filesize

          7.7MB

        • memory/4544-39-0x0000000074A60000-0x0000000075210000-memory.dmp

          Filesize

          7.7MB