Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-06-2024 08:11

General

  • Target

    ESTADO DE CUENTA.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#.

  • 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 2 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 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\ESTADO DE CUENTA.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:1856
    • C:\Users\Admin\AppData\Local\Temp\69263421-3c52-4cba-a315-02aaae9e9b27.exe
      "C:\Users\Admin\AppData\Local\Temp\69263421-3c52-4cba-a315-02aaae9e9b27.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3428
      • C:\Users\Admin\AppData\Local\Temp\69263421-3c52-4cba-a315-02aaae9e9b27.exe
        C:\Users\Admin\AppData\Local\Temp\69263421-3c52-4cba-a315-02aaae9e9b27.exe
        3⤵
        • Executes dropped EXE
        PID:4112
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 80
          4⤵
          • Program crash
          PID:536
      • C:\Users\Admin\AppData\Local\Temp\69263421-3c52-4cba-a315-02aaae9e9b27.exe
        C:\Users\Admin\AppData\Local\Temp\69263421-3c52-4cba-a315-02aaae9e9b27.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3848
        • C:\Users\Admin\AppData\Roaming\XenoManager\69263421-3c52-4cba-a315-02aaae9e9b27.exe
          "C:\Users\Admin\AppData\Roaming\XenoManager\69263421-3c52-4cba-a315-02aaae9e9b27.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1216
          • C:\Users\Admin\AppData\Roaming\XenoManager\69263421-3c52-4cba-a315-02aaae9e9b27.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\69263421-3c52-4cba-a315-02aaae9e9b27.exe
            5⤵
            • Executes dropped EXE
            PID:668
          • C:\Users\Admin\AppData\Roaming\XenoManager\69263421-3c52-4cba-a315-02aaae9e9b27.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\69263421-3c52-4cba-a315-02aaae9e9b27.exe
            5⤵
            • Executes dropped EXE
            PID:2140
          • C:\Users\Admin\AppData\Roaming\XenoManager\69263421-3c52-4cba-a315-02aaae9e9b27.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\69263421-3c52-4cba-a315-02aaae9e9b27.exe
            5⤵
            • Executes dropped EXE
            PID:3756
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 80
              6⤵
              • Program crash
              PID:2764
      • C:\Users\Admin\AppData\Local\Temp\69263421-3c52-4cba-a315-02aaae9e9b27.exe
        C:\Users\Admin\AppData\Local\Temp\69263421-3c52-4cba-a315-02aaae9e9b27.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4560
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "qns" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3A06.tmp" /F
          4⤵
          • Creates scheduled task(s)
          PID:3176
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4112 -ip 4112
    1⤵
      PID:4292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3756 -ip 3756
      1⤵
        PID:4728

      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\69263421-3c52-4cba-a315-02aaae9e9b27.exe.log
        Filesize

        522B

        MD5

        8334a471a4b492ece225b471b8ad2fc8

        SHA1

        1cb24640f32d23e8f7800bd0511b7b9c3011d992

        SHA256

        5612afe347d8549cc95a0c710602bcc7d7b224361b613c0a6ba362092300c169

        SHA512

        56ae2e83355c331b00d782797f5664c2f373eac240e811aab978732503ae05eb20b08730d2427ed90efa5a706d71b42b57153596a45a6b5592e3dd9128b81c36

      • C:\Users\Admin\AppData\Local\Temp\69263421-3c52-4cba-a315-02aaae9e9b27.exe
        Filesize

        233KB

        MD5

        025593cacb392aadf7266febcb9f700a

        SHA1

        602a4fcbbdaf682dc6311dc72468a00eb148ca86

        SHA256

        6b09a61d15fd9835db561b9f7571c714333a071cce0facd8ac3dc39289ef8998

        SHA512

        8e5c571c4905b418446cea26d8ef978706d1deb209227c602b8dbc5e9b9d23379bf42169887ee81dd287b9c07e43df733ffa7a72e4e279f9dfcec490710ed947

      • C:\Users\Admin\AppData\Local\Temp\ESTADO DE CUENTA.xll
        Filesize

        819KB

        MD5

        5475ac0337614b9651483ca83628c38f

        SHA1

        d03d0806bb24207780b441a090e3ff9e9d263929

        SHA256

        8eaf377f8fc59bb93ada3e1f94571ebbbc3d3732475c86239ee72e4c1f2f31c7

        SHA512

        d4d7d417fbadb98ac94e728c994b4ae7abc505632a1eb79d8f8193c71daa7bbbf2aa709713ec94ffa9b645dcf02b06907cd3fe1538840dfc22411c229bbcdb8c

      • C:\Users\Admin\AppData\Local\Temp\tmp3A06.tmp
        Filesize

        1KB

        MD5

        0147ac9fe09133454f433dd585f235d2

        SHA1

        045af04f9577e58645aa6ae70d79feeca3fa96a7

        SHA256

        e983bc9042facb32d323ae6f8e89b21fbce1a2da58ad1021c583455eb2ce05ea

        SHA512

        023e46ebdb2be6c0e1736bbc5b6f8ad3da15f7cd5082c1b19b5a06a7bee8f267c34cd0d2c52d2a17a5581959e58ceb913c9f3d38277f7a45eb0ca3d4aa451dde

      • memory/1856-32-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-8-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-29-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-7-0x00007FFE37C40000-0x00007FFE37C50000-memory.dmp
        Filesize

        64KB

      • memory/1856-34-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-9-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-12-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-11-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-10-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-14-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-15-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-13-0x00007FFE37C40000-0x00007FFE37C50000-memory.dmp
        Filesize

        64KB

      • memory/1856-18-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-21-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-22-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-20-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-19-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-17-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-16-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-4-0x00007FFE39D70000-0x00007FFE39D80000-memory.dmp
        Filesize

        64KB

      • memory/1856-25-0x000002329FF00000-0x000002329FFE6000-memory.dmp
        Filesize

        920KB

      • memory/1856-27-0x00000232A1440000-0x00000232A1454000-memory.dmp
        Filesize

        80KB

      • memory/1856-26-0x00000232A1440000-0x00000232A1454000-memory.dmp
        Filesize

        80KB

      • memory/1856-28-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-35-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-33-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-0-0x00007FFE39D70000-0x00007FFE39D80000-memory.dmp
        Filesize

        64KB

      • memory/1856-30-0x00000232B9930000-0x00000232B9AB4000-memory.dmp
        Filesize

        1.5MB

      • memory/1856-6-0x00007FFE39D70000-0x00007FFE39D80000-memory.dmp
        Filesize

        64KB

      • memory/1856-5-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-31-0x00000232A15F0000-0x00000232A162C000-memory.dmp
        Filesize

        240KB

      • memory/1856-36-0x00000232A17A0000-0x00000232A17E4000-memory.dmp
        Filesize

        272KB

      • memory/1856-2-0x00007FFE39D70000-0x00007FFE39D80000-memory.dmp
        Filesize

        64KB

      • memory/1856-117-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-115-0x00007FFE39D70000-0x00007FFE39D80000-memory.dmp
        Filesize

        64KB

      • memory/1856-116-0x00007FFE39D70000-0x00007FFE39D80000-memory.dmp
        Filesize

        64KB

      • memory/1856-114-0x00007FFE39D70000-0x00007FFE39D80000-memory.dmp
        Filesize

        64KB

      • memory/1856-113-0x00007FFE39D70000-0x00007FFE39D80000-memory.dmp
        Filesize

        64KB

      • memory/1856-1-0x00007FFE79D8D000-0x00007FFE79D8E000-memory.dmp
        Filesize

        4KB

      • memory/1856-98-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-97-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-96-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-3-0x00007FFE39D70000-0x00007FFE39D80000-memory.dmp
        Filesize

        64KB

      • memory/1856-83-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-84-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-85-0x00007FFE79D8D000-0x00007FFE79D8E000-memory.dmp
        Filesize

        4KB

      • memory/1856-86-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-94-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/1856-95-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/3428-65-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/3428-56-0x0000000004ED0000-0x0000000004ED6000-memory.dmp
        Filesize

        24KB

      • memory/3428-55-0x000000000E0D0000-0x000000000E16C000-memory.dmp
        Filesize

        624KB

      • memory/3428-54-0x00000000054A0000-0x00000000054DE000-memory.dmp
        Filesize

        248KB

      • memory/3428-53-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/3428-52-0x0000000002D50000-0x0000000002D56000-memory.dmp
        Filesize

        24KB

      • memory/3428-51-0x0000000000BB0000-0x0000000000BF0000-memory.dmp
        Filesize

        256KB

      • memory/3428-50-0x00007FFE79CF0000-0x00007FFE79EE5000-memory.dmp
        Filesize

        2.0MB

      • memory/3848-59-0x0000000000400000-0x0000000000412000-memory.dmp
        Filesize

        72KB