Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-06-2024 12:58

General

  • Target

    ESTADO_DE_CUENTA.xll

  • Size

    805KB

  • MD5

    46752fe1a6739bcb8f4b5d5feefaa244

  • SHA1

    69f1a8c024ac4c95aa6ecb2c35274523c5ff6c4f

  • SHA256

    0263e56acd74c0e93b43a5ee9f2321b9624113c22782c367949a6b8b68b9a606

  • SHA512

    2e9a54aeda90fd578ef78169b85080a5b650ba5ea74339ecbd0efa3afe4e9f71dfc38cbdc82ddd76e5cf8af18ec8bf9ee2899504083342152e34436abc149081

  • SSDEEP

    12288:oG1N4HkcgMsiOd58bzbBSre8Q0uqZzD1reWabd/5pLknSdAdSjVjzcFQBV:ooOOMX1M+QHT+dfmd4VoQ

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 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 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:3048
    • C:\Users\Admin\AppData\Local\Temp\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe
      "C:\Users\Admin\AppData\Local\Temp\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4924
      • C:\Users\Admin\AppData\Local\Temp\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe
        C:\Users\Admin\AppData\Local\Temp\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe
        3⤵
        • Executes dropped EXE
        PID:4676
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 80
          4⤵
          • Program crash
          PID:1356
      • C:\Users\Admin\AppData\Local\Temp\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe
        C:\Users\Admin\AppData\Local\Temp\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1528
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "qns" /XML "C:\Users\Admin\AppData\Local\Temp\tmp409E.tmp" /F
          4⤵
          • Creates scheduled task(s)
          PID:2860
      • C:\Users\Admin\AppData\Local\Temp\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe
        C:\Users\Admin\AppData\Local\Temp\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4256
        • C:\Users\Admin\AppData\Roaming\XenoManager\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe
          "C:\Users\Admin\AppData\Roaming\XenoManager\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1556
          • C:\Users\Admin\AppData\Roaming\XenoManager\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe
            5⤵
            • Executes dropped EXE
            PID:3672
          • C:\Users\Admin\AppData\Roaming\XenoManager\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe
            5⤵
            • Executes dropped EXE
            PID:2744
          • C:\Users\Admin\AppData\Roaming\XenoManager\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe
            5⤵
            • Executes dropped EXE
            PID:844
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4676 -ip 4676
    1⤵
      PID:756

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe.log

      Filesize

      706B

      MD5

      d95c58e609838928f0f49837cab7dfd2

      SHA1

      55e7139a1e3899195b92ed8771d1ca2c7d53c916

      SHA256

      0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

      SHA512

      405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

    • C:\Users\Admin\AppData\Local\Temp\7ca28a6a-4a13-415c-90b0-543da08b4b5b.exe

      Filesize

      219KB

      MD5

      30d7677802933ebd3dd972c1ff4d4297

      SHA1

      0a8427b245a3cbf570a13c3f736acb17cf26efd7

      SHA256

      2a82ff043b6278465c551a33a97fb5a1f0148feca497047abf9904ae76e9182b

      SHA512

      8660d89594d8356dc8bb2d8cd6069e3a55192e350d0cda7ed9289068b0719a11bf06aa49f43c392d9d755464eb74abe1e728a1d560955844be3590fe6a7182b2

    • C:\Users\Admin\AppData\Local\Temp\ESTADO_DE_CUENTA.xll

      Filesize

      805KB

      MD5

      46752fe1a6739bcb8f4b5d5feefaa244

      SHA1

      69f1a8c024ac4c95aa6ecb2c35274523c5ff6c4f

      SHA256

      0263e56acd74c0e93b43a5ee9f2321b9624113c22782c367949a6b8b68b9a606

      SHA512

      2e9a54aeda90fd578ef78169b85080a5b650ba5ea74339ecbd0efa3afe4e9f71dfc38cbdc82ddd76e5cf8af18ec8bf9ee2899504083342152e34436abc149081

    • C:\Users\Admin\AppData\Local\Temp\tmp409E.tmp

      Filesize

      1KB

      MD5

      b70dea5b0e0e18cd5fd7602f46f4689e

      SHA1

      11a6f31bab11b7a83f301d4b258f516eafc33946

      SHA256

      d21eec6938aeef530932ff27ccf3daffe904bdf8e705d3ffbc1d9290e9359764

      SHA512

      8b7b42dbae04d438293d3a45f710d3e223a6a00d180023e154221ec6e35db370e5ab09c618bad7216f16704920d7b14783831927666f212a460617bcc99372e6

    • memory/1528-59-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/3048-27-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-8-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-24-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-3-0x00007FFC79990000-0x00007FFC799A0000-memory.dmp

      Filesize

      64KB

    • memory/3048-29-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-7-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-6-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-5-0x00007FFC79990000-0x00007FFC799A0000-memory.dmp

      Filesize

      64KB

    • memory/3048-9-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-12-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-13-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-14-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-15-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-16-0x00007FFC77820000-0x00007FFC77830000-memory.dmp

      Filesize

      64KB

    • memory/3048-11-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-28-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-18-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-20-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-19-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-10-0x00007FFC77820000-0x00007FFC77830000-memory.dmp

      Filesize

      64KB

    • memory/3048-23-0x0000021DDF1B0000-0x0000021DDF292000-memory.dmp

      Filesize

      904KB

    • memory/3048-1-0x00007FFC79990000-0x00007FFC799A0000-memory.dmp

      Filesize

      64KB

    • memory/3048-26-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-25-0x0000021DE1EC0000-0x0000021DE1ED4000-memory.dmp

      Filesize

      80KB

    • memory/3048-4-0x00007FFCB99AD000-0x00007FFCB99AE000-memory.dmp

      Filesize

      4KB

    • memory/3048-2-0x00007FFC79990000-0x00007FFC799A0000-memory.dmp

      Filesize

      64KB

    • memory/3048-17-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-30-0x0000021DFB9E0000-0x0000021DFBB64000-memory.dmp

      Filesize

      1.5MB

    • memory/3048-31-0x0000021DE35E0000-0x0000021DE361C000-memory.dmp

      Filesize

      240KB

    • memory/3048-32-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-33-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-34-0x0000021DFB7A0000-0x0000021DFB7E0000-memory.dmp

      Filesize

      256KB

    • memory/3048-82-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-110-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-107-0x00007FFC79990000-0x00007FFC799A0000-memory.dmp

      Filesize

      64KB

    • memory/3048-109-0x00007FFC79990000-0x00007FFC799A0000-memory.dmp

      Filesize

      64KB

    • memory/3048-108-0x00007FFC79990000-0x00007FFC799A0000-memory.dmp

      Filesize

      64KB

    • memory/3048-106-0x00007FFC79990000-0x00007FFC799A0000-memory.dmp

      Filesize

      64KB

    • memory/3048-0-0x00007FFC79990000-0x00007FFC799A0000-memory.dmp

      Filesize

      64KB

    • memory/3048-90-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/3048-91-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/4924-53-0x00000000058D0000-0x000000000596C000-memory.dmp

      Filesize

      624KB

    • memory/4924-52-0x0000000005520000-0x000000000555A000-memory.dmp

      Filesize

      232KB

    • memory/4924-51-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/4924-50-0x0000000005510000-0x0000000005516000-memory.dmp

      Filesize

      24KB

    • memory/4924-49-0x0000000000CF0000-0x0000000000D2C000-memory.dmp

      Filesize

      240KB

    • memory/4924-48-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

      Filesize

      2.0MB

    • memory/4924-54-0x0000000005F20000-0x00000000064C4000-memory.dmp

      Filesize

      5.6MB

    • memory/4924-55-0x0000000005970000-0x0000000005A02000-memory.dmp

      Filesize

      584KB

    • memory/4924-56-0x00000000056F0000-0x00000000056F6000-memory.dmp

      Filesize

      24KB