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Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 13:29

General

  • Target

    728cdc19d2719172c585821ae0f039f0.exe

  • Size

    209KB

  • MD5

    728cdc19d2719172c585821ae0f039f0

  • SHA1

    5c033f9c3c0aecf4cdeb16b866f7449c3ca15841

  • SHA256

    a869136ca1d7fe2df2d6e8b0dcce2e72d1879c9d02c09114eff3f50abc4ce430

  • SHA512

    9af605752ddaac8b14b56d18dea1241aefcb7bd0b49692464212d073a6f229ded20781593aad75c9f3bc606cc23b186d1e6be9b5139e71d1cf10db0658b81314

  • SSDEEP

    3072:glhg7vQsqRjP6wslpFZ/hWoasvzFjH9KLVAhXIrEnZDXOuVJJ11FgiCCmRG1fxRr:gl2zbMpsvzFjH8LOhfhBVJJxtCr01fq

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 8 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Windows\SysWOW64\calc.exe
    CALC.EXE
    1⤵
      PID:2228
    • C:\Users\Admin\AppData\Local\Temp\1D31.tmp\mpress.exe
      "C:\Users\Admin\AppData\Local\Temp\1D31.tmp\mpress.exe" "C:\Users\Admin\AppData\Local\Temp\exe1D32.tmp"
      1⤵
      • Executes dropped EXE
      PID:1700
    • C:\Users\Admin\AppData\Local\Temp\u.dll
      u.dll -bat vir.bat -save ose00000.exe.com -include s.dll -overwrite -nodelete
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2332
    • C:\Users\Admin\AppData\Local\Temp\1C66.tmp\mpress.exe
      "C:\Users\Admin\AppData\Local\Temp\1C66.tmp\mpress.exe" "C:\Users\Admin\AppData\Local\Temp\exe1C67.tmp"
      1⤵
      • Executes dropped EXE
      PID:2752
    • C:\Users\Admin\AppData\Local\Temp\u.dll
      u.dll -bat vir.bat -save 728cdc19d2719172c585821ae0f039f0.exe.com -include s.dll -overwrite -nodelete
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2160
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\1C38.tmp\vir.bat""
      1⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2884
    • C:\Users\Admin\AppData\Local\Temp\728cdc19d2719172c585821ae0f039f0.exe
      "C:\Users\Admin\AppData\Local\Temp\728cdc19d2719172c585821ae0f039f0.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2252

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1700-139-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/1700-144-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2160-71-0x00000000005C0000-0x00000000005F4000-memory.dmp

      Filesize

      208KB

    • memory/2160-67-0x00000000005C0000-0x00000000005F4000-memory.dmp

      Filesize

      208KB

    • memory/2252-0-0x0000000000400000-0x00000000004BF000-memory.dmp

      Filesize

      764KB

    • memory/2252-153-0x0000000000400000-0x00000000004BF000-memory.dmp

      Filesize

      764KB

    • memory/2752-69-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2752-76-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB