Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 08:56

General

  • Target

    61a77c73a5d5f80f4969dadd96694948.exe

  • Size

    127KB

  • MD5

    61a77c73a5d5f80f4969dadd96694948

  • SHA1

    ab5ed67cf58204d78c3d0eb3c54ede9d89048df6

  • SHA256

    c61f7ecb6aa9aeb278a6dbf94a1525315ad0a226fcd51b698c07410ef84f11d1

  • SHA512

    802d6393bdffe8b2010e95e6d76de5855b88d3345ce4d9281bd669e635eb2c737d440300bd3ad891bc6c3a6c9c04132c11be21f2dcef4c5c822946d123fcb73e

  • SSDEEP

    3072:PjY9FI+zeOKndRzAlSWc+SeLebsbJ3IQQ0jKNKSfL/U:PChzNsslSyRagbJ3IQQJ

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61a77c73a5d5f80f4969dadd96694948.exe
    "C:\Users\Admin\AppData\Local\Temp\61a77c73a5d5f80f4969dadd96694948.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2772
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\Nfj..bat" > nul 2> nul
      2⤵
      • Deletes itself
      PID:2736

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Nfj..bat

          Filesize

          210B

          MD5

          6d0ad3bd33018962101c36191630bab0

          SHA1

          f793b36672de71e77478e4725e08afc2230e23d5

          SHA256

          754a242f5924362849ec3f59a941c4b65b1a7b63f07478ff682a511a059ed9ca

          SHA512

          85be348785c91d38d2bb4d58901c5236808f145974ff8410e6a74ab5f0e945c068cdaf3f14ce0124253f26e439dce00b965c41722e2d19722f3180b9ec7de0c4

        • memory/2772-0-0x0000000000220000-0x000000000024E000-memory.dmp

          Filesize

          184KB

        • memory/2772-1-0x0000000000220000-0x000000000024E000-memory.dmp

          Filesize

          184KB

        • memory/2772-2-0x0000000000400000-0x0000000000423000-memory.dmp

          Filesize

          140KB

        • memory/2772-4-0x0000000000400000-0x0000000000423000-memory.dmp

          Filesize

          140KB