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Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2022, 02:15

General

  • Target

    efde3def3c71c75ae4ffbc14aae423e9465df6fa6c9aa216dd9ad9aeaae99c81.exe

  • Size

    95KB

  • MD5

    52ade70bdce34f5f96081b37e5602abe

  • SHA1

    c33d523c439e372b5c9a5936c24400b376bddab1

  • SHA256

    efde3def3c71c75ae4ffbc14aae423e9465df6fa6c9aa216dd9ad9aeaae99c81

  • SHA512

    cade8ed0b1219730afb438c2dc776aa789aa09cffb42cdb63dd4377f57b508210ebe18bfbf751e1dd4f98d719257c0ee2d02e782c30cac4d64c58965e0430734

  • SSDEEP

    1536:S5SQJFvvonH+gwSXauHCNHAmp2cF1upoXtG4rwcwQtpsoy1UC:S84+mpf1pG4rwcwQtpsoy1

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\efde3def3c71c75ae4ffbc14aae423e9465df6fa6c9aa216dd9ad9aeaae99c81.exe
    "C:\Users\Admin\AppData\Local\Temp\efde3def3c71c75ae4ffbc14aae423e9465df6fa6c9aa216dd9ad9aeaae99c81.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Users\Admin\AppData\Local\Temp\mgruuii.exe
      "C:\Users\Admin\AppData\Local\Temp\mgruuii.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\mgruuii.exe" "mgruuii.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1716

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    95KB

    MD5

    52ade70bdce34f5f96081b37e5602abe

    SHA1

    c33d523c439e372b5c9a5936c24400b376bddab1

    SHA256

    efde3def3c71c75ae4ffbc14aae423e9465df6fa6c9aa216dd9ad9aeaae99c81

    SHA512

    cade8ed0b1219730afb438c2dc776aa789aa09cffb42cdb63dd4377f57b508210ebe18bfbf751e1dd4f98d719257c0ee2d02e782c30cac4d64c58965e0430734

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

    Filesize

    95KB

    MD5

    52ade70bdce34f5f96081b37e5602abe

    SHA1

    c33d523c439e372b5c9a5936c24400b376bddab1

    SHA256

    efde3def3c71c75ae4ffbc14aae423e9465df6fa6c9aa216dd9ad9aeaae99c81

    SHA512

    cade8ed0b1219730afb438c2dc776aa789aa09cffb42cdb63dd4377f57b508210ebe18bfbf751e1dd4f98d719257c0ee2d02e782c30cac4d64c58965e0430734

  • \Users\Admin\AppData\Local\Temp\mgruuii.exe

    Filesize

    95KB

    MD5

    52ade70bdce34f5f96081b37e5602abe

    SHA1

    c33d523c439e372b5c9a5936c24400b376bddab1

    SHA256

    efde3def3c71c75ae4ffbc14aae423e9465df6fa6c9aa216dd9ad9aeaae99c81

    SHA512

    cade8ed0b1219730afb438c2dc776aa789aa09cffb42cdb63dd4377f57b508210ebe18bfbf751e1dd4f98d719257c0ee2d02e782c30cac4d64c58965e0430734

  • memory/1708-62-0x0000000074AD0000-0x000000007507B000-memory.dmp

    Filesize

    5.7MB

  • memory/1708-65-0x0000000074AD0000-0x000000007507B000-memory.dmp

    Filesize

    5.7MB

  • memory/1920-54-0x00000000763F1000-0x00000000763F3000-memory.dmp

    Filesize

    8KB

  • memory/1920-55-0x0000000074AD0000-0x000000007507B000-memory.dmp

    Filesize

    5.7MB

  • memory/1920-61-0x0000000074AD0000-0x000000007507B000-memory.dmp

    Filesize

    5.7MB