Analysis

  • max time kernel
    126s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    17-03-2021 16:21

General

  • Target

    32bit_decompressed.dll

  • Size

    68KB

  • MD5

    9774b2e5e34269bc3adc01d73bdfa76a

  • SHA1

    adc27dc8a9e33cc2c7684bf47d5cc98d0bdc7958

  • SHA256

    e058280f4b15c1be6488049e0bdba555f1baf42e139b7251d6b2c230e28e0aef

  • SHA512

    90cefd6e4836d4a26f59f551a33a5b4d1cd45891156211e706ad72d16539a3dacda3da69c796e70b3bb6d141820ec2ac2d063a58657a27067f4662d3fa7b7516

Score
10/10

Malware Config

Signatures

  • Mimikatz

    mimikatz is an open source tool to dump credentials on Windows.

  • mimikatz is an open source tool to dump credentials on Windows 1 IoCs
  • Blocklisted process makes network request 5 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\32bit_decompressed.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\32bit_decompressed.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:1656

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1656-2-0x0000000000000000-mapping.dmp
  • memory/1656-3-0x00000000760C1000-0x00000000760C3000-memory.dmp
    Filesize

    8KB

  • memory/1656-4-0x0000000074960000-0x0000000074974000-memory.dmp
    Filesize

    80KB