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Analysis

  • max time kernel
    102s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/01/2025, 00:08

General

  • Target

    ONUS (4).exe

  • Size

    219KB

  • MD5

    4b571a5241c60fe43fe3819c6a9df813

  • SHA1

    f6b2bd4a102e538b6b45a1d563304b831d2a9a9b

  • SHA256

    0cc08a3fc33db7ed2075e49ac59ce9204a21ec8f2fe13559cbdc9cb77ca99289

  • SHA512

    31740552db3de6b198960fb5c95794eda52b5bbf5f393eb053bd98c21d88258e34ea55fcde754b4173ed91bced87242f3d0f8dd3c93fed7c24c7810516e87e89

  • SSDEEP

    3072:QArRIzPm7i7x2KhtCqE5bpcqiieyAd9g8QwyZ0+tvCiJ86AR+xx7CG9eeIUV:r4PO62KI5dcdield9grw0BH866cZeV

Malware Config

Signatures

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ONUS (4).exe
    "C:\Users\Admin\AppData\Local\Temp\ONUS (4).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1512-13-0x0000000006030000-0x0000000006080000-memory.dmp

    Filesize

    320KB

  • memory/1512-10-0x0000000074C50000-0x0000000075400000-memory.dmp

    Filesize

    7.7MB

  • memory/1512-16-0x0000000074C50000-0x0000000075400000-memory.dmp

    Filesize

    7.7MB

  • memory/1512-15-0x0000000006260000-0x000000000626A000-memory.dmp

    Filesize

    40KB

  • memory/1512-7-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1512-14-0x0000000006350000-0x0000000006512000-memory.dmp

    Filesize

    1.8MB

  • memory/1512-12-0x0000000074C50000-0x0000000075400000-memory.dmp

    Filesize

    7.7MB

  • memory/1512-11-0x0000000004FE0000-0x000000000507C000-memory.dmp

    Filesize

    624KB

  • memory/1680-4-0x0000000005550000-0x00000000055E2000-memory.dmp

    Filesize

    584KB

  • memory/1680-5-0x0000000005430000-0x0000000005442000-memory.dmp

    Filesize

    72KB

  • memory/1680-9-0x0000000074C50000-0x0000000075400000-memory.dmp

    Filesize

    7.7MB

  • memory/1680-1-0x00000000009E0000-0x0000000000A1E000-memory.dmp

    Filesize

    248KB

  • memory/1680-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

    Filesize

    4KB

  • memory/1680-6-0x0000000074C50000-0x0000000075400000-memory.dmp

    Filesize

    7.7MB

  • memory/1680-3-0x0000000005A60000-0x0000000006004000-memory.dmp

    Filesize

    5.6MB

  • memory/1680-2-0x0000000005370000-0x00000000053A6000-memory.dmp

    Filesize

    216KB