Analysis

  • max time kernel
    68s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2024 08:11

General

  • Target

    Estadodecuenta.xls

  • Size

    192KB

  • MD5

    4b5efde48442f60d1563164c1e728061

  • SHA1

    f371b6ea0311f9175c78102e3a087ab5fc7fe687

  • SHA256

    8464e28250faf8cc3d316329b9b39cbc029659d93db9da3086ce9fc5e37bbcd1

  • SHA512

    cc18300b59ad15c59fd3dd96a88df4cb4526da5b7bb92dffd0c4fe6c616268d0de0197a59b2b403ae6f35d7e027137d7db6baa713e74c3401abd58b1d101cbd8

  • SSDEEP

    3072:PrxEtjPOtioVjDGUU1qfDlaGGx+cL2QnAq3OLFyhxTchWwaZYwP+1oVET5K8lsq/:zxEtjPOtioVjDGUU1qfDlavx+W2QnAqE

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
  • 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
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Estadodecuenta.xls
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\PFLLTU.vbs"
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      PID:2844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\PFLLTU.vbs

    Filesize

    10KB

    MD5

    c818cba07e014f95bcf8b133eaba0ee6

    SHA1

    83852a470bf54205d59cf40675034f2129a10771

    SHA256

    6b30fade6f3a26071148b661172fb9d8976c5d1d890a407bd06b5a4ae801b9b3

    SHA512

    c718d0d1d43d7b36f6b3988d5e7de327d14f9d94ae43b62d7a5169c7580b57fbb83e49c2cb209e0328f748668a554878a083a763639b640806f4addd9430e78b

  • memory/1760-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1760-1-0x0000000073B4D000-0x0000000073B58000-memory.dmp

    Filesize

    44KB

  • memory/1760-6-0x00000000066A0000-0x00000000067A0000-memory.dmp

    Filesize

    1024KB

  • memory/1760-9-0x00000000066A0000-0x00000000067A0000-memory.dmp

    Filesize

    1024KB

  • memory/1760-10-0x00000000066A0000-0x00000000067A0000-memory.dmp

    Filesize

    1024KB

  • memory/1760-29-0x0000000073B4D000-0x0000000073B58000-memory.dmp

    Filesize

    44KB

  • memory/1760-30-0x00000000066A0000-0x00000000067A0000-memory.dmp

    Filesize

    1024KB

  • memory/1760-31-0x00000000066A0000-0x00000000067A0000-memory.dmp

    Filesize

    1024KB

  • memory/1760-32-0x00000000066A0000-0x00000000067A0000-memory.dmp

    Filesize

    1024KB