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Analysis

  • max time kernel
    47s
  • max time network
    74s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 22:54

General

  • Target

    efb3de3f48d434481f20d380448c4c592b85a27a08ed5676ceb5c55efce51a6f.exe

  • Size

    153KB

  • MD5

    6910a1247c6f7838dfcf6e6679f73921

  • SHA1

    db5214cba33a029c9f8ed81d51aea0012c1e46a8

  • SHA256

    efb3de3f48d434481f20d380448c4c592b85a27a08ed5676ceb5c55efce51a6f

  • SHA512

    597ca1afb357b2c8aaee52e354dc9933c8f95bc050b07002b2ca47768ddda233cb4f0aa65b9af531fd154780de7c5f127893c75c1eb5d9fe3a99762296e48508

  • SSDEEP

    3072:aOLwcn/j/z/xWikNEPhFsV5D6SSKgU5B1+uPf+LPBmirQv/:aOLwcn/rzXbsVl6SSKgUvPeB5

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\efb3de3f48d434481f20d380448c4c592b85a27a08ed5676ceb5c55efce51a6f.exe
    "C:\Users\Admin\AppData\Local\Temp\efb3de3f48d434481f20d380448c4c592b85a27a08ed5676ceb5c55efce51a6f.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:1552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1552-54-0x0000000075E11000-0x0000000075E13000-memory.dmp

    Filesize

    8KB

  • memory/1552-55-0x0000000001000000-0x000000000104F000-memory.dmp

    Filesize

    316KB

  • memory/1552-56-0x0000000074811000-0x0000000074813000-memory.dmp

    Filesize

    8KB

  • memory/1552-57-0x0000000001000000-0x000000000104F000-memory.dmp

    Filesize

    316KB