Analysis

  • max time kernel
    113s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2022 09:39

General

  • Target

    39c2db5e91a59bca2f0f680243baf05a4b83d0a798ca3f0df8333c5d7e3e981f.exe

  • Size

    92KB

  • MD5

    5fbd5fae046efcd682840731e4324b30

  • SHA1

    7e02d7560b3f0448c95ef9e44e7bbe7f1a872cd5

  • SHA256

    39c2db5e91a59bca2f0f680243baf05a4b83d0a798ca3f0df8333c5d7e3e981f

  • SHA512

    5870fb4e3bd341bc28475247d1a514910a007254e4aaecbf6d6d804750180e209dfaf051cf059e94b3c2e3259357a07b26cfea4a9cdd1cbb1f504c8fff0cd322

  • SSDEEP

    1536:1WGxs9kGdYk8wO4Cnt8RUyhoY/m3NsCl:UGfGdYSCnNyhoYOGA

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39c2db5e91a59bca2f0f680243baf05a4b83d0a798ca3f0df8333c5d7e3e981f.exe
    "C:\Users\Admin\AppData\Local\Temp\39c2db5e91a59bca2f0f680243baf05a4b83d0a798ca3f0df8333c5d7e3e981f.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3984
  • C:\Windows\SysWOW64\Winkrno.exe
    C:\Windows\SysWOW64\Winkrno.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4992

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Winkrno.exe

    Filesize

    90KB

    MD5

    5ae7a2d7da6bacedafcf7328749042e9

    SHA1

    7927df0c5dfc8b73743801fc3de8688767de1e88

    SHA256

    cdfc219697221ea40ccf5dd2576f74d12e270a05eaea7b51213e37c6c0f965f1

    SHA512

    fefca397d0ef0df01945223a4587a22aec0eb70db5f131f8b8410396443245f3bd10cc6905b606199a169e9a3d673d66558d7dda4769c4c917abf051d47b972a

  • C:\Windows\SysWOW64\Winkrno.exe

    Filesize

    90KB

    MD5

    5ae7a2d7da6bacedafcf7328749042e9

    SHA1

    7927df0c5dfc8b73743801fc3de8688767de1e88

    SHA256

    cdfc219697221ea40ccf5dd2576f74d12e270a05eaea7b51213e37c6c0f965f1

    SHA512

    fefca397d0ef0df01945223a4587a22aec0eb70db5f131f8b8410396443245f3bd10cc6905b606199a169e9a3d673d66558d7dda4769c4c917abf051d47b972a