Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 10:11

General

  • Target

    000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exe

  • Size

    462KB

  • MD5

    de8e42d6fcf6317889264fd8ac46331d

  • SHA1

    94d2f603504332f7330cc4032adea18d93bc2ee3

  • SHA256

    000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e

  • SHA512

    a31ca15e31f56cb0110a11821cde008da58ce62a5a4f6c7c742867987d42b7426ea63bb609632eacedb0b744152d3ab914bdeeeb287cfddff41801d3ed92b50a

  • SSDEEP

    12288:MHX57zl29a/kCGZ+qFZhWUB3eTq3s0BFBs2:m57x29AujWUBj3TBFB

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exe
    "C:\Users\Admin\AppData\Local\Temp\000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Roaming\Explorer.exe
      "C:\Users\Admin\AppData\Roaming\Explorer.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:744
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Explorer.exe" "Explorer.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:772

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Explorer.exe

    Filesize

    462KB

    MD5

    de8e42d6fcf6317889264fd8ac46331d

    SHA1

    94d2f603504332f7330cc4032adea18d93bc2ee3

    SHA256

    000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e

    SHA512

    a31ca15e31f56cb0110a11821cde008da58ce62a5a4f6c7c742867987d42b7426ea63bb609632eacedb0b744152d3ab914bdeeeb287cfddff41801d3ed92b50a

  • C:\Users\Admin\AppData\Roaming\Explorer.exe

    Filesize

    462KB

    MD5

    de8e42d6fcf6317889264fd8ac46331d

    SHA1

    94d2f603504332f7330cc4032adea18d93bc2ee3

    SHA256

    000bf37f7b42976de72f88d286641b09d6d8b6d766df8989abb084242f56fa0e

    SHA512

    a31ca15e31f56cb0110a11821cde008da58ce62a5a4f6c7c742867987d42b7426ea63bb609632eacedb0b744152d3ab914bdeeeb287cfddff41801d3ed92b50a

  • memory/744-57-0x0000000000000000-mapping.dmp

  • memory/744-60-0x000007FEF29E0000-0x000007FEF3403000-memory.dmp

    Filesize

    10.1MB

  • memory/744-61-0x000007FEEE4D0000-0x000007FEEF566000-memory.dmp

    Filesize

    16.6MB

  • memory/744-64-0x0000000001DE6000-0x0000000001E05000-memory.dmp

    Filesize

    124KB

  • memory/744-65-0x0000000001DE6000-0x0000000001E05000-memory.dmp

    Filesize

    124KB

  • memory/772-62-0x0000000000000000-mapping.dmp

  • memory/2020-54-0x000007FEF3410000-0x000007FEF3E33000-memory.dmp

    Filesize

    10.1MB

  • memory/2020-55-0x000007FEF2370000-0x000007FEF3406000-memory.dmp

    Filesize

    16.6MB

  • memory/2020-56-0x000007FEFBAB1000-0x000007FEFBAB3000-memory.dmp

    Filesize

    8KB