Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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

    820KB

  • MD5

    0645646e6a417573d0047b6084e4632a

  • SHA1

    d43adf73470cb151a61482d2e5d87f3fa1420717

  • SHA256

    7c43077f843fcf5ad00e36587087929c73702171bfb36e4c5007ea54df09e37f

  • SHA512

    36daebde0a113fae75301f4b3bc09860b6c17788e3f132cd25cf66b1d6b726bf6df4ba80add24009bc1d5fb566359d3e4be6d54456fbbe733059e106f5878f87

  • SSDEEP

    12288:BG1N4HkcgMsiOd58bzbBSrePQ0uqZzD1reWabd/T7ppePgEKB9S4566Gwa:BoOOMX1/+QHT+d77ppqWB9S4Q6y

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:2276
    • C:\Users\Admin\AppData\Local\Temp\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
      "C:\Users\Admin\AppData\Local\Temp\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4132
      • C:\Users\Admin\AppData\Local\Temp\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
        C:\Users\Admin\AppData\Local\Temp\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1400
        • C:\Users\Admin\AppData\Roaming\XenoManager\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
          "C:\Users\Admin\AppData\Roaming\XenoManager\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2296
          • C:\Users\Admin\AppData\Roaming\XenoManager\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
            5⤵
            • Executes dropped EXE
            PID:1224
          • C:\Users\Admin\AppData\Roaming\XenoManager\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
            5⤵
            • Executes dropped EXE
            PID:4072
          • C:\Users\Admin\AppData\Roaming\XenoManager\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
            5⤵
            • Executes dropped EXE
            PID:1696
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 80
              6⤵
              • Program crash
              PID:3680
      • C:\Users\Admin\AppData\Local\Temp\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
        C:\Users\Admin\AppData\Local\Temp\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4740
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "qns" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCE76.tmp" /F
          4⤵
          • Creates scheduled task(s)
          PID:1432
      • C:\Users\Admin\AppData\Local\Temp\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
        C:\Users\Admin\AppData\Local\Temp\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
        3⤵
        • Executes dropped EXE
        PID:1100
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1696 -ip 1696
    1⤵
      PID:4948
    • 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 --field-trial-handle=2856,i,2607710392823067546,4648797561512801463,262144 --variations-seed-version --mojo-platform-channel-handle=4008 /prefetch:8
      1⤵
        PID:2128

      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\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe.log
        Filesize

        522B

        MD5

        8334a471a4b492ece225b471b8ad2fc8

        SHA1

        1cb24640f32d23e8f7800bd0511b7b9c3011d992

        SHA256

        5612afe347d8549cc95a0c710602bcc7d7b224361b613c0a6ba362092300c169

        SHA512

        56ae2e83355c331b00d782797f5664c2f373eac240e811aab978732503ae05eb20b08730d2427ed90efa5a706d71b42b57153596a45a6b5592e3dd9128b81c36

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

        820KB

        MD5

        0645646e6a417573d0047b6084e4632a

        SHA1

        d43adf73470cb151a61482d2e5d87f3fa1420717

        SHA256

        7c43077f843fcf5ad00e36587087929c73702171bfb36e4c5007ea54df09e37f

        SHA512

        36daebde0a113fae75301f4b3bc09860b6c17788e3f132cd25cf66b1d6b726bf6df4ba80add24009bc1d5fb566359d3e4be6d54456fbbe733059e106f5878f87

      • C:\Users\Admin\AppData\Local\Temp\adafb84f-2443-44c1-9fa4-9eb2e257709e.exe
        Filesize

        234KB

        MD5

        a19378142ff17ef4a4cef4add24b10aa

        SHA1

        6231b66cdbea1a29043dfee2bfc4772b241bae98

        SHA256

        789cec98f94a74b862783c6f3a41794f375b775b81f291798fde8b3653e96bb9

        SHA512

        0eefc81ff23ac4e02d85fce6c0d10d819f6856d6ac19b0df28e786242f6cc158bbee057fc2097e5b44caafd58d6e7b8ccd4063f40fedd8eb5e4be3d3d16de1c1

      • C:\Users\Admin\AppData\Local\Temp\tmpCE76.tmp
        Filesize

        1KB

        MD5

        3105f8faa0b0e71314addf7dc48be802

        SHA1

        4e97d6370914fe0c8f18ab6eb529f662f5287fa0

        SHA256

        0a40ccc0bf410fa5d69ae237ff09a43848c1ba2db607f6e8c3dcef080530d0dc

        SHA512

        428976784949eb97e4f2ec8c17013ed7ae1cbe076ba4f83ca04d1ab85fa959dd76b0b5256542c059178cb6e387cf285fa16d507803d98226214a425d4e7f0d52

      • memory/1400-54-0x0000000000400000-0x0000000000412000-memory.dmp
        Filesize

        72KB

      • memory/2276-25-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-7-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-2-0x00007FFEDEEB0000-0x00007FFEDEEC0000-memory.dmp
        Filesize

        64KB

      • memory/2276-1-0x00007FFEDEEB0000-0x00007FFEDEEC0000-memory.dmp
        Filesize

        64KB

      • memory/2276-5-0x00007FFEDEEB0000-0x00007FFEDEEC0000-memory.dmp
        Filesize

        64KB

      • memory/2276-4-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-28-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-9-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-8-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-10-0x00007FFEDCBE0000-0x00007FFEDCBF0000-memory.dmp
        Filesize

        64KB

      • memory/2276-12-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-29-0x00000213488D0000-0x0000021348A54000-memory.dmp
        Filesize

        1.5MB

      • memory/2276-11-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-14-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-16-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-15-0x00007FFEDCBE0000-0x00007FFEDCBF0000-memory.dmp
        Filesize

        64KB

      • memory/2276-17-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-18-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-21-0x000002132EF20000-0x000002132F006000-memory.dmp
        Filesize

        920KB

      • memory/2276-22-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-27-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-3-0x00007FFF1EECD000-0x00007FFF1EECE000-memory.dmp
        Filesize

        4KB

      • memory/2276-24-0x00000213303E0000-0x00000213303F4000-memory.dmp
        Filesize

        80KB

      • memory/2276-26-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-23-0x00000213303E0000-0x00000213303F4000-memory.dmp
        Filesize

        80KB

      • memory/2276-6-0x00007FFEDEEB0000-0x00007FFEDEEC0000-memory.dmp
        Filesize

        64KB

      • memory/2276-13-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-30-0x0000021330590000-0x00000213305CC000-memory.dmp
        Filesize

        240KB

      • memory/2276-31-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-32-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-33-0x0000021348870000-0x00000213488B4000-memory.dmp
        Filesize

        272KB

      • memory/2276-79-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-109-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-107-0x00007FFEDEEB0000-0x00007FFEDEEC0000-memory.dmp
        Filesize

        64KB

      • memory/2276-108-0x00007FFEDEEB0000-0x00007FFEDEEC0000-memory.dmp
        Filesize

        64KB

      • memory/2276-106-0x00007FFEDEEB0000-0x00007FFEDEEC0000-memory.dmp
        Filesize

        64KB

      • memory/2276-80-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-88-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-89-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-90-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/2276-0-0x00007FFEDEEB0000-0x00007FFEDEEC0000-memory.dmp
        Filesize

        64KB

      • memory/2276-105-0x00007FFEDEEB0000-0x00007FFEDEEC0000-memory.dmp
        Filesize

        64KB

      • memory/4132-50-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/4132-49-0x0000000005150000-0x0000000005156000-memory.dmp
        Filesize

        24KB

      • memory/4132-48-0x0000000000970000-0x00000000009B0000-memory.dmp
        Filesize

        256KB

      • memory/4132-47-0x00007FFF1EE30000-0x00007FFF1F025000-memory.dmp
        Filesize

        2.0MB

      • memory/4132-51-0x00000000053D0000-0x000000000540E000-memory.dmp
        Filesize

        248KB

      • memory/4132-52-0x00000000054B0000-0x000000000554C000-memory.dmp
        Filesize

        624KB

      • memory/4132-53-0x00000000052B0000-0x00000000052B6000-memory.dmp
        Filesize

        24KB