Analysis

  • max time kernel
    107s
  • max time network
    108s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    26-08-2024 15:36

General

  • Target

    Pago pendientes.doc

  • Size

    141KB

  • MD5

    1eefd150be33d5969d86f5dd82774291

  • SHA1

    383a690269b80ca756e98387d6fcb6f7b9ae6c80

  • SHA256

    e62a8640510e8a72b5f5b9115b94439df31cfe186970ce831fc2ac200605dcaf

  • SHA512

    692e502198fe40e08bdb58f9864051663eb661990c5f0bc2165a86d79f57f5354c5d17b45495cc1562b166222f5ecf45923a77c8310393f67884fac6f471aa5b

  • SSDEEP

    1536:XuonbOonbOonbV2mW7T+Y7Tx/RvvRdvkRRFbBoW5zzyJZjgkZrcrcrcuu9AUl/nl:K1DYGoMACJOue3flR5Pq3HWn08XQYp

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Office loads VBA resources, possible macro or embedded object present
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Pago pendientes.doc"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ITFRNLR.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ITFRNLR.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3044
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ITFRNLR.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ITFRNLR.exe
        3⤵
        • Executes dropped EXE
        PID:2664
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2964

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      19KB

      MD5

      dcdb204622788f3cddb1c695f56736ca

      SHA1

      d446ebc6fd71bea6d7b67844ca15ae91fa5b652f

      SHA256

      5cd62f97b93f983de7f42d63e26d77799e9467c5fde331b9dab5b7f82b423115

      SHA512

      3624144a6b51c0594729956d8ffd961f817064618be8dab01d646d1756ecaba0f14a743dd62718b3ab0affc4c72d84ac76b16f66388caf25e2e34f699eafe517

    • \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ITFRNLR.exe

      Filesize

      354KB

      MD5

      3badedb0adc943d55394c06b6e43e2c8

      SHA1

      7f6d929b560edf98f3256970ec09358510ef4441

      SHA256

      276874edc2fa8fab8faad76b95f323b6e01bea7a058053c4ea674adfc51c59ed

      SHA512

      9daed3c7ab544e90f82ea9c303c94f7967d80450d23d7582060d46996ef00b688db407f09a7d1c582801439e7f0f65a4149019b9c46959861e519761cde2634c

    • memory/2544-94-0x0000000005CF0000-0x0000000005DF0000-memory.dmp

      Filesize

      1024KB

    • memory/2544-0-0x000000002F6D1000-0x000000002F6D2000-memory.dmp

      Filesize

      4KB

    • memory/2544-53-0x0000000005CF0000-0x0000000005DF0000-memory.dmp

      Filesize

      1024KB

    • memory/2544-54-0x0000000005CF0000-0x0000000005DF0000-memory.dmp

      Filesize

      1024KB

    • memory/2544-2-0x000000007323D000-0x0000000073248000-memory.dmp

      Filesize

      44KB

    • memory/2544-111-0x000000007323D000-0x0000000073248000-memory.dmp

      Filesize

      44KB

    • memory/2544-110-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2544-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2544-95-0x0000000005CF0000-0x0000000005DF0000-memory.dmp

      Filesize

      1024KB

    • memory/2544-93-0x000000007323D000-0x0000000073248000-memory.dmp

      Filesize

      44KB

    • memory/2544-36-0x0000000005CF0000-0x0000000005DF0000-memory.dmp

      Filesize

      1024KB

    • memory/3044-90-0x0000000000470000-0x0000000000476000-memory.dmp

      Filesize

      24KB

    • memory/3044-89-0x00000000002B0000-0x0000000000306000-memory.dmp

      Filesize

      344KB

    • memory/3044-88-0x0000000000280000-0x0000000000286000-memory.dmp

      Filesize

      24KB

    • memory/3044-87-0x0000000000E90000-0x0000000000EF2000-memory.dmp

      Filesize

      392KB