Overview

overview

7

Static

static

3

3b98a725e2...18.dll

windows7-x64

7

3b98a725e2...18.dll

windows10-2004-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/07/2024, 02:01

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General

  • Target

    3b98a725e23c9afb014a778a083e660f_JaffaCakes118.dll

  • Size

    24KB

  • MD5

    3b98a725e23c9afb014a778a083e660f

  • SHA1

    b359102a9bca20733fcd1d02bed99073d87994aa

  • SHA256

    42aacc994c0de73b8e4fad0731a34b24cfbff2b78426c91c95544f46c1e9cd79

  • SHA512

    88d0f3269ef9af2d841c53410eed84392c19dc346908108e514e995851293b7a86ef363a771f7396f92b518f96d938cf3313fb9e1739711c826004f109cc32f9

  • SSDEEP

    384:AlCh7iN/WEVOTI/t4//7ypGX6njwrJl/14vnFa2LumVi672XrrG225C9rwRa:yCVJuN/tIqY6n8favFasu8qrPWCEa

Score
7/10
persistence

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:616
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b98a725e23c9afb014a778a083e660f_JaffaCakes118.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:536
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b98a725e23c9afb014a778a083e660f_JaffaCakes118.dll,#1
        2⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3928
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Windows\system32\rqRLebXO.dll,a
          3⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          PID:636

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SysWOW64\rqRLebXO.dll
            Filesize

            24KB

            MD5

            3b98a725e23c9afb014a778a083e660f

            SHA1

            b359102a9bca20733fcd1d02bed99073d87994aa

            SHA256

            42aacc994c0de73b8e4fad0731a34b24cfbff2b78426c91c95544f46c1e9cd79

            SHA512

            88d0f3269ef9af2d841c53410eed84392c19dc346908108e514e995851293b7a86ef363a771f7396f92b518f96d938cf3313fb9e1739711c826004f109cc32f9

            Download Submit

          • memory/636-14-0x0000000010000000-0x0000000010012000-memory.dmp

            Filesize

            72KB

            Download

          • memory/636-15-0x0000000010000000-0x0000000010012000-memory.dmp

            Filesize

            72KB

            Download

          • memory/3928-0-0x0000000010000000-0x0000000010012000-memory.dmp

            Filesize

            72KB

            Download

          • memory/3928-1-0x0000000010000000-0x0000000010012000-memory.dmp

            Filesize

            72KB

            Download

          • memory/3928-9-0x00000000029A0000-0x00000000029B2000-memory.dmp

            Filesize

            72KB

            Download