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Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11/05/2021, 11:24

General

  • Target

    73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe

  • Size

    33KB

  • MD5

    48bd4a72b859ab186bb7c8e6263850dd

  • SHA1

    c7ab0a409d14344c3b225170177f1d0e2d15cc88

  • SHA256

    73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31

  • SHA512

    1734b5d6cfaa346983103906cf5cbb266599176becd0b79110bd047dfcdd870005e56dc75d6e3886f549f77ea33d0497933ac204273d0637497cb9196c78ea2e

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe
    "C:\Users\Admin\AppData\Local\Temp\73a2f7ffb4bba1b2a871db0b739a91bb5855843584b1875c0631c96fa56afc31.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4008
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:1324

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1324-118-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/4008-114-0x0000000000410000-0x00000000004BE000-memory.dmp

    Filesize

    696KB