Analysis

  • max time kernel
    141s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240709-en
  • resource tags

    arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-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#.

  • 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 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 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:3968
    • C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
      C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:724
      • 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:3356
        • 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:1340
        • C:\Users\Admin\AppData\Roaming\XenoManager\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
          4⤵
          • Executes dropped EXE
          PID:2836
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 92
            5⤵
            • Program crash
            PID:3956
        • 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:396
        • 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:4772
    • C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
      C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:336
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "HDdisplay" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD145.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3172
    • C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
      C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:488
    • C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
      C:\Users\Admin\AppData\Local\Temp\261f7fc603cfdc64042e7c7c9a8a32180333f6928dfa5013ef9b14e6365ddd1f.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3204
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2836 -ip 2836
    1⤵
      PID:2688

    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

      80305b9a250a27091f46fa147674ffb3

      SHA1

      81b485761494618e4c8bba9af56c29b2ea8e8a07

      SHA256

      d9febc24cdfe2a616fff0e891fb055951aad00be6d57b0bc3cf8f4f643c5f6ae

      SHA512

      52544d526e83ae2a71d63768457435dbe79843a76146f60b7e41ec7b53ddb620323592325e19d6776b92b7e1fbb8dc79db85e94a30d970f0983563456ccd7a19

    • C:\Users\Admin\AppData\Local\Temp\tmpD145.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/336-40-0x0000000074C40000-0x00000000753F1000-memory.dmp

      Filesize

      7.7MB

    • memory/336-19-0x0000000074C40000-0x00000000753F1000-memory.dmp

      Filesize

      7.7MB

    • memory/488-39-0x0000000074C40000-0x00000000753F1000-memory.dmp

      Filesize

      7.7MB

    • memory/488-17-0x0000000074C40000-0x00000000753F1000-memory.dmp

      Filesize

      7.7MB

    • memory/724-14-0x0000000074C40000-0x00000000753F1000-memory.dmp

      Filesize

      7.7MB

    • memory/724-9-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/724-30-0x0000000074C40000-0x00000000753F1000-memory.dmp

      Filesize

      7.7MB

    • memory/3968-8-0x00000000057F0000-0x00000000057F6000-memory.dmp

      Filesize

      24KB

    • memory/3968-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

      Filesize

      4KB

    • memory/3968-7-0x0000000005C40000-0x0000000005CD2000-memory.dmp

      Filesize

      584KB

    • memory/3968-6-0x0000000006150000-0x00000000066F6000-memory.dmp

      Filesize

      5.6MB

    • memory/3968-18-0x0000000074C40000-0x00000000753F1000-memory.dmp

      Filesize

      7.7MB

    • memory/3968-5-0x0000000005B00000-0x0000000005B9C000-memory.dmp

      Filesize

      624KB

    • memory/3968-4-0x0000000005810000-0x0000000005850000-memory.dmp

      Filesize

      256KB

    • memory/3968-3-0x0000000074C40000-0x00000000753F1000-memory.dmp

      Filesize

      7.7MB

    • memory/3968-2-0x0000000005750000-0x0000000005756000-memory.dmp

      Filesize

      24KB

    • memory/3968-1-0x0000000000D70000-0x0000000000DB6000-memory.dmp

      Filesize

      280KB