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Analysis

  • max time kernel
    246s
  • max time network
    334s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 10:17

General

  • Target

    99efaa2960d543cc6fa2e7d07fd2fde0c9c3e7ced64ba297f85aaa23fbfacc9b.exe

  • Size

    283KB

  • MD5

    53dc0ea8e7900547142e4e6d1b7f8bae

  • SHA1

    0398ed2e4dab903afe34e5c01fd7b59152973898

  • SHA256

    99efaa2960d543cc6fa2e7d07fd2fde0c9c3e7ced64ba297f85aaa23fbfacc9b

  • SHA512

    4fdefd45423a71025aae92340e0a38fe666425e30dc032823e731d82269a9659bc5601ced13114b809a496785b77385f11404fdea957d7ffdf6ed0ccac516059

  • SSDEEP

    6144:8/673sqnWS7AvyD+oThinaZh9nIJNHg+f2XOoT2jc6oSI:v3sq37Avg+BaD4h2XOox6oSI

Score
8/10

Malware Config

Signatures

  • UPX packed file 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99efaa2960d543cc6fa2e7d07fd2fde0c9c3e7ced64ba297f85aaa23fbfacc9b.exe
    "C:\Users\Admin\AppData\Local\Temp\99efaa2960d543cc6fa2e7d07fd2fde0c9c3e7ced64ba297f85aaa23fbfacc9b.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Modifies registry class
    PID:288

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/288-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

    Filesize

    8KB

  • memory/288-55-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB