Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 08:06

General

  • Target

    Untitled1.dll

  • Size

    127KB

  • MD5

    98ff16a8b3e5534e8b5223504cb6af09

  • SHA1

    e77a81455cdf2768f6de4f9cbdd84da168338115

  • SHA256

    7d214c22042b34d5e3558d7080bacece92f5375a4b03a2b9bd7fd5404fe862f4

  • SHA512

    774534e132a5f7285ff015dada02e5196c4fcab4aa4a6a8d032d8da9942fcb4edb9462a654f4cbba64f84b78450c48da05e425d4a7abe750bf504ded6476ee74

  • SSDEEP

    3072:OMbIWiyr7pjvTooBFEbWwIUclTBft3+oTs:OCIWiyr7JHn17lTBl3+oo

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Drops startup file 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Untitled1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Untitled1.dll,#1
      2⤵
      • Checks BIOS information in registry
      • Drops startup file
      • Drops file in System32 directory
      • Drops file in Program Files directory
      PID:4024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/4024-1-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB