Analysis

  • max time kernel
    164s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 10:48

General

  • Target

    1661fe280e7b0547e0311427810b32eb.exe

  • Size

    12KB

  • MD5

    1661fe280e7b0547e0311427810b32eb

  • SHA1

    205348e83544ced96e69fc32b7b7a9329f69f8bd

  • SHA256

    fc02f7a4f86c38c6c01c184574433562233ab915ddb96933512f865505076393

  • SHA512

    1558d55875a33ada7252daa38776efb0501662c5a27ac83bd3d5601fe64ca4752c20a690c45761ea896bc5734ae6ed87002c3e1b57583700852f2ccab4619b13

  • SSDEEP

    192:rgu7KSO71F/9yeeA7TI1agJ8Yb7gwGQAeHLkUb18btraXX2i5dNy+:rhWSO71R9lKVXb7eet8imi5dh

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1661fe280e7b0547e0311427810b32eb.exe
    "C:\Users\Admin\AppData\Local\Temp\1661fe280e7b0547e0311427810b32eb.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:344
    • C:\Windows\SysWOW64\kandofttk.exe
      C:\Windows\system32\kandofttk.exe ˜‰
      2⤵
      • Executes dropped EXE
      PID:2736
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\1661fe280e7b0547e0311427810b32eb.exe.bat
      2⤵
        PID:2560

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1661fe280e7b0547e0311427810b32eb.exe.bat

      Filesize

      182B

      MD5

      16d172d028d93eb5e9c272ce166666a5

      SHA1

      e083b2a23d25c23118c1baaffbb1d800b507920c

      SHA256

      0632120362882df02f742ee872351d7f8412145792abf47a1f3e70f850c78586

      SHA512

      47931f5f4c551b2b2e063003f90e598852e5a6c04612bbcf7687e91c529b4fd264a074f3f5b5ed8b38c7d267c200ea3046f407848b2a85fc3c38b933ac7fa99f

    • C:\Windows\SysWOW64\kandofttk.exe

      Filesize

      12KB

      MD5

      1661fe280e7b0547e0311427810b32eb

      SHA1

      205348e83544ced96e69fc32b7b7a9329f69f8bd

      SHA256

      fc02f7a4f86c38c6c01c184574433562233ab915ddb96933512f865505076393

      SHA512

      1558d55875a33ada7252daa38776efb0501662c5a27ac83bd3d5601fe64ca4752c20a690c45761ea896bc5734ae6ed87002c3e1b57583700852f2ccab4619b13

    • memory/344-0-0x0000000000400000-0x000000000040F000-memory.dmp

      Filesize

      60KB

    • memory/344-7-0x0000000000400000-0x000000000040F000-memory.dmp

      Filesize

      60KB

    • memory/2736-6-0x0000000000400000-0x000000000040F000-memory.dmp

      Filesize

      60KB