Analysis

  • max time kernel
    134s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 01:26

General

  • Target

    a591674c093d591394b0564ac4fa10827896ee2b8f596b086fa356c79f6bd2f4.dll

  • Size

    38KB

  • MD5

    9867465d51eccfebb3f2d7533a5e6dae

  • SHA1

    a7948715795354d5bd4db8bee0bb1b43b5bb35eb

  • SHA256

    a591674c093d591394b0564ac4fa10827896ee2b8f596b086fa356c79f6bd2f4

  • SHA512

    c3dc526a5f46a9db7e41edf1735382ffd08f08f235adf934241c625b84457563c0babac084a7ffe71a7248b2d40b08943d6288d95e461d3147e9900a6082af4b

  • SSDEEP

    768:Bs+/gMsLIn/wIj2labk+1IsceGSnkmJ0Yblr583CJrVV79IXU76m2sIRVV:WD8w22laSR0V+3CJrVIXczJI

Malware Config

Signatures

  • Ramnit

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

  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a591674c093d591394b0564ac4fa10827896ee2b8f596b086fa356c79f6bd2f4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a591674c093d591394b0564ac4fa10827896ee2b8f596b086fa356c79f6bd2f4.dll,#1
      2⤵
      • Drops file in System32 directory
      PID:1472
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 616
        3⤵
        • Program crash
        PID:2776
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1472 -ip 1472
    1⤵
      PID:3612

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1472-0-0x0000000010000000-0x000000001000D000-memory.dmp
      Filesize

      52KB