Analysis

  • max time kernel
    148s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-06-2024 01:17

General

  • Target

    8eaf377f8fc59bb93ada3e1f94571ebbbc3d3732475c86239ee72e4c1f2f31c7.xll

  • Size

    819KB

  • MD5

    5475ac0337614b9651483ca83628c38f

  • SHA1

    d03d0806bb24207780b441a090e3ff9e9d263929

  • SHA256

    8eaf377f8fc59bb93ada3e1f94571ebbbc3d3732475c86239ee72e4c1f2f31c7

  • SHA512

    d4d7d417fbadb98ac94e728c994b4ae7abc505632a1eb79d8f8193c71daa7bbbf2aa709713ec94ffa9b645dcf02b06907cd3fe1538840dfc22411c229bbcdb8c

  • SSDEEP

    12288:xG1N4HkcgMsiOd58bzbBSre6Q0uqZzD1reWabd/dbNZEEx/DLn0vkYHipwyA:xoOOMX1K+QHT+d9NZdxYHip

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Extracted

Family

xenorat

C2

91.92.248.167

Mutex

Wolid_rat_nd8889g

Attributes
  • delay

    60000

  • install_path

    appdata

  • port

    1279

  • startup_name

    qns

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Detects executables packed with ConfuserEx Mod 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8eaf377f8fc59bb93ada3e1f94571ebbbc3d3732475c86239ee72e4c1f2f31c7.xll"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2916
    • C:\Users\Admin\AppData\Local\Temp\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
      "C:\Users\Admin\AppData\Local\Temp\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1592
      • C:\Users\Admin\AppData\Local\Temp\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
        C:\Users\Admin\AppData\Local\Temp\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4172
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "qns" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6018.tmp" /F
          4⤵
          • Creates scheduled task(s)
          PID:2056
      • C:\Users\Admin\AppData\Local\Temp\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
        C:\Users\Admin\AppData\Local\Temp\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2140
        • C:\Users\Admin\AppData\Roaming\XenoManager\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
          "C:\Users\Admin\AppData\Roaming\XenoManager\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2892
          • C:\Users\Admin\AppData\Roaming\XenoManager\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
            5⤵
            • Executes dropped EXE
            PID:3308
          • C:\Users\Admin\AppData\Roaming\XenoManager\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
            5⤵
            • Executes dropped EXE
            PID:3068
          • C:\Users\Admin\AppData\Roaming\XenoManager\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
            5⤵
            • Executes dropped EXE
            PID:2684
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 80
              6⤵
              • Program crash
              PID:2264
      • C:\Users\Admin\AppData\Local\Temp\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
        C:\Users\Admin\AppData\Local\Temp\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
        3⤵
        • Executes dropped EXE
        PID:4440
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2684 -ip 2684
    1⤵
      PID:2964
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2144

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Scheduled Task/Job

      1
      T1053

      Persistence

      Scheduled Task/Job

      1
      T1053

      Privilege Escalation

      Scheduled Task/Job

      1
      T1053

      Discovery

      Query Registry

      3
      T1012

      System Information Discovery

      4
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe.log
        Filesize

        522B

        MD5

        8334a471a4b492ece225b471b8ad2fc8

        SHA1

        1cb24640f32d23e8f7800bd0511b7b9c3011d992

        SHA256

        5612afe347d8549cc95a0c710602bcc7d7b224361b613c0a6ba362092300c169

        SHA512

        56ae2e83355c331b00d782797f5664c2f373eac240e811aab978732503ae05eb20b08730d2427ed90efa5a706d71b42b57153596a45a6b5592e3dd9128b81c36

      • C:\Users\Admin\AppData\Local\Temp\0ad0a1af-4a5b-4ec9-af0c-099e0816f76d.exe
        Filesize

        233KB

        MD5

        025593cacb392aadf7266febcb9f700a

        SHA1

        602a4fcbbdaf682dc6311dc72468a00eb148ca86

        SHA256

        6b09a61d15fd9835db561b9f7571c714333a071cce0facd8ac3dc39289ef8998

        SHA512

        8e5c571c4905b418446cea26d8ef978706d1deb209227c602b8dbc5e9b9d23379bf42169887ee81dd287b9c07e43df733ffa7a72e4e279f9dfcec490710ed947

      • C:\Users\Admin\AppData\Local\Temp\8eaf377f8fc59bb93ada3e1f94571ebbbc3d3732475c86239ee72e4c1f2f31c7.xll
        Filesize

        819KB

        MD5

        5475ac0337614b9651483ca83628c38f

        SHA1

        d03d0806bb24207780b441a090e3ff9e9d263929

        SHA256

        8eaf377f8fc59bb93ada3e1f94571ebbbc3d3732475c86239ee72e4c1f2f31c7

        SHA512

        d4d7d417fbadb98ac94e728c994b4ae7abc505632a1eb79d8f8193c71daa7bbbf2aa709713ec94ffa9b645dcf02b06907cd3fe1538840dfc22411c229bbcdb8c

      • C:\Users\Admin\AppData\Local\Temp\tmp6018.tmp
        Filesize

        1KB

        MD5

        d65d4e0d922f6eefb5aa93b6db033b75

        SHA1

        fa9f0ec3fcba9afe16e72c6a6df898926bf80193

        SHA256

        5bf2f0d301957db3449768a969e548afd0701a31bda179a22f07673b4884bdad

        SHA512

        8bef95841f63069c8f62e209c4d9c9a1ff8c9c93bd488fa3f4f8f7ae1eee5b1bcb8072dc6a1f2f78254f340f9f8618815e32318632384604bdea4959f3cb27e7

      • memory/1592-75-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/1592-66-0x0000000004DA0000-0x0000000004DA6000-memory.dmp
        Filesize

        24KB

      • memory/1592-65-0x000000000DF60000-0x000000000DFFC000-memory.dmp
        Filesize

        624KB

      • memory/1592-64-0x0000000005300000-0x000000000533E000-memory.dmp
        Filesize

        248KB

      • memory/1592-63-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/1592-61-0x0000000002C80000-0x0000000002C86000-memory.dmp
        Filesize

        24KB

      • memory/1592-60-0x0000000000950000-0x0000000000990000-memory.dmp
        Filesize

        256KB

      • memory/1592-59-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-15-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-45-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-14-0x00007FFA12A30000-0x00007FFA12A40000-memory.dmp
        Filesize

        64KB

      • memory/2916-0-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp
        Filesize

        64KB

      • memory/2916-16-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-17-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-18-0x00007FFA12A30000-0x00007FFA12A40000-memory.dmp
        Filesize

        64KB

      • memory/2916-13-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-27-0x000002068BE70000-0x000002068BF56000-memory.dmp
        Filesize

        920KB

      • memory/2916-28-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-29-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-30-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-34-0x00000206A6C10000-0x00000206A6C24000-memory.dmp
        Filesize

        80KB

      • memory/2916-35-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-36-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-37-0x00007FFA54AAD000-0x00007FFA54AAE000-memory.dmp
        Filesize

        4KB

      • memory/2916-38-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-39-0x00000206A6C10000-0x00000206A6C24000-memory.dmp
        Filesize

        80KB

      • memory/2916-40-0x00000206A6C50000-0x00000206A6DD4000-memory.dmp
        Filesize

        1.5MB

      • memory/2916-41-0x00000206A6DD0000-0x00000206A6E0C000-memory.dmp
        Filesize

        240KB

      • memory/2916-43-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-42-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-44-0x00000206A6E50000-0x00000206A6E94000-memory.dmp
        Filesize

        272KB

      • memory/2916-12-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-11-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-9-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-10-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-8-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-62-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-7-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp
        Filesize

        64KB

      • memory/2916-6-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-5-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-4-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp
        Filesize

        64KB

      • memory/2916-121-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-2-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp
        Filesize

        64KB

      • memory/2916-3-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp
        Filesize

        64KB

      • memory/2916-77-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-85-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-95-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-96-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-99-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-100-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-1-0x00007FFA54AAD000-0x00007FFA54AAE000-memory.dmp
        Filesize

        4KB

      • memory/2916-120-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp
        Filesize

        64KB

      • memory/2916-119-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp
        Filesize

        64KB

      • memory/2916-117-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp
        Filesize

        64KB

      • memory/2916-118-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp
        Filesize

        64KB

      • memory/4172-67-0x0000000000400000-0x0000000000412000-memory.dmp
        Filesize

        72KB