Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2023 02:52

General

  • Target

    253d2fc06ad1ba450f6da07ff03d2ffe.exe

  • Size

    80KB

  • MD5

    253d2fc06ad1ba450f6da07ff03d2ffe

  • SHA1

    c331235d303df38cf4f34b3b32f982d43c795333

  • SHA256

    138dba86c4a419f727dd9e9d402a997f6f0ba5225a99763705d49108cbd8363b

  • SHA512

    72d3e58bd75d2cb317380fb00a900ea34e4e94e68b21508f858306408891e9b8b99b8f23d9a66b28e7a1b54ff1e4b12ddf92001f404df5bf22edc9bf6c6a7e4e

  • SSDEEP

    1536:Bh3H8SlVQwHqXzZAELFPgUED2XiLXW+SCptfC0+x/rOoVju1Qd:Bh3HzVmED2X6W+SUfDuO4u1Q

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\253d2fc06ad1ba450f6da07ff03d2ffe.exe
    "C:\Users\Admin\AppData\Local\Temp\253d2fc06ad1ba450f6da07ff03d2ffe.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\WINDOWS\SysWOW64\OSFYCH.EXE
      "C:\WINDOWS\SYSTEM32\OSFYCH.EXE"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2864

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • \Windows\SysWOW64\OSFYCH.EXE

    Filesize

    80KB

    MD5

    253d2fc06ad1ba450f6da07ff03d2ffe

    SHA1

    c331235d303df38cf4f34b3b32f982d43c795333

    SHA256

    138dba86c4a419f727dd9e9d402a997f6f0ba5225a99763705d49108cbd8363b

    SHA512

    72d3e58bd75d2cb317380fb00a900ea34e4e94e68b21508f858306408891e9b8b99b8f23d9a66b28e7a1b54ff1e4b12ddf92001f404df5bf22edc9bf6c6a7e4e