Analysis

  • max time kernel
    9s
  • max time network
    11s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-10-2022 03:49

General

  • Target

    79d95dd31dbc53592cbc981cd1629da156e87623bb9c43e5a6d3242dea122cc4.exe

  • Size

    34KB

  • MD5

    a34f10010aaa00a214c67aa618baca1b

  • SHA1

    68826dbb61a0f1c4d715310d939c36e56e505861

  • SHA256

    79d95dd31dbc53592cbc981cd1629da156e87623bb9c43e5a6d3242dea122cc4

  • SHA512

    4360acee2cafafccd92c7a6c0379ec715692f00f805a88ae82fcf23dd98ab6a8bdfbb604eca493405526e3907b7c32deab3a39ce0c71b9105436851ce53cff3b

  • SSDEEP

    768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rCBsPGto:GY9jw/dUT62rGdiUOWWrC6Pao

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\79d95dd31dbc53592cbc981cd1629da156e87623bb9c43e5a6d3242dea122cc4.exe
    "C:\Users\Admin\AppData\Local\Temp\79d95dd31dbc53592cbc981cd1629da156e87623bb9c43e5a6d3242dea122cc4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3140
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:4736

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe

    Filesize

    34KB

    MD5

    97369a1c306f5bf2606852ca72f3f6d8

    SHA1

    fa668d2c332b5460ef36a9502ca9fa2cf6da9ae8

    SHA256

    abe92cfe9405326d1ffdee2267ca42a614a06ffb660be96ec3be8a39abb1d901

    SHA512

    5c49427de04a2df9bfb57c0ba95fe0850f638bcfe7894bc7e2bfa9b3c54a9c2d9f949205b63c13f5434e319b889895b013b6bcf8d9e893ca99268830d59a304c

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe

    Filesize

    34KB

    MD5

    97369a1c306f5bf2606852ca72f3f6d8

    SHA1

    fa668d2c332b5460ef36a9502ca9fa2cf6da9ae8

    SHA256

    abe92cfe9405326d1ffdee2267ca42a614a06ffb660be96ec3be8a39abb1d901

    SHA512

    5c49427de04a2df9bfb57c0ba95fe0850f638bcfe7894bc7e2bfa9b3c54a9c2d9f949205b63c13f5434e319b889895b013b6bcf8d9e893ca99268830d59a304c