Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05/03/2024, 05:47

General

  • Target

    b3f0afe4e3456523502d6ef1d0c402b4.exe

  • Size

    47KB

  • MD5

    b3f0afe4e3456523502d6ef1d0c402b4

  • SHA1

    63a8c4444267dea5268780ff495d3fcf4d4b5690

  • SHA256

    dcac9c98f6f51362bbcd26e9509a2d4a03d4427d50b000528842ec0b00ca7f0f

  • SHA512

    05192e78d16d139818d36374082024bd122c709c0b32ac174a74a1053a055fd2e8b9ebed9c9e333c844dcc9a7774c90eae115a42bb261ae7ad72063223c3fcc0

  • SSDEEP

    768:DQMGEnhR6hs1K0tW3KPHTGovr1AXsDj+N/kM9I/l6UKOe+AEGqYARSCNdIixRde8:kmb5XWUHdr1y/rI/lo9qNRSCN/J

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3f0afe4e3456523502d6ef1d0c402b4.exe
    "C:\Users\Admin\AppData\Local\Temp\b3f0afe4e3456523502d6ef1d0c402b4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" "C:\Users\Admin\Favorites\hfdf.hlp" InstallHook1
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of SetWindowsHookEx
      PID:1932

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\Favorites\hfdf.hlp

          Filesize

          61KB

          MD5

          5ae5fbaa678e08e5d136826a8de7cc16

          SHA1

          0b4192bc6a527856f3a7a70d29d171cbbef64286

          SHA256

          f59fa8cef0dd4d2583c9080f65fa7b4e4c956d1e2c5c2be0d741c435a86002de

          SHA512

          e8bf55ff6e43712c88181e7c0adc9b2082a476199d03fe1b8167d4e978d8285a1db02a6f626b89f3a52624967978f8d0cbeddeb4ef3edd9298af39d35fa394b4

        • memory/1932-4-0x00000000001D0000-0x00000000001E6000-memory.dmp

          Filesize

          88KB

        • memory/2752-5-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB