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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/04/2024, 01:05

General

  • Target

    2024-04-24_f0c88992abb592a34c6ba259a7820ea0_ryuk.exe

  • Size

    2.2MB

  • MD5

    f0c88992abb592a34c6ba259a7820ea0

  • SHA1

    b2a8500101af50bea9530c1d2b20aace41dec6f8

  • SHA256

    2cdadc5fe5d9a2e272546dc6c737fe4f7014637ee7f58511d5d0fbdf1a3f74f4

  • SHA512

    eebcbcd520217a5db63868808b7da489b77e495e27e7f355aed3ca599eae29cd2fe77138e182b2fc0d2a67b711db1b0bbe5b8896fffaf67de46907532af47e6d

  • SSDEEP

    49152:kNl7soq7sQCc1kyG2xHywRfHIO2Ts4bvDV6ZU6CENlc7dpJLrQWd:wD2311kaxp9qV69CEN6rV

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-24_f0c88992abb592a34c6ba259a7820ea0_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-24_f0c88992abb592a34c6ba259a7820ea0_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3944
  • C:\Windows\System32\alg.exe
    C:\Windows\System32\alg.exe
    1⤵
    • Executes dropped EXE
    PID:3196

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\System32\alg.exe

    Filesize

    1.3MB

    MD5

    d269cea6ef294a982029776f7970bde7

    SHA1

    695ba7be57d445f0bea86047e20b78652687916f

    SHA256

    2c81259d2be9942524933a342a091a55cf93d6542cb69f77447597ec8c359063

    SHA512

    6c0b6a50b662e3f14787af42a20173b0fe13421b1ca9adf8d7c8f1c2e574c2b1001723c96e9ed4d72a9aa02acd2d9415027d772f1a95a84f88462680781e6253

  • memory/3196-15-0x0000000140000000-0x000000014014A000-memory.dmp

    Filesize

    1.3MB

  • memory/3196-16-0x0000000140000000-0x000000014014A000-memory.dmp

    Filesize

    1.3MB

  • memory/3944-0-0x0000000000820000-0x0000000000880000-memory.dmp

    Filesize

    384KB

  • memory/3944-1-0x0000000140000000-0x0000000140247000-memory.dmp

    Filesize

    2.3MB

  • memory/3944-7-0x0000000000820000-0x0000000000880000-memory.dmp

    Filesize

    384KB

  • memory/3944-11-0x0000000000820000-0x0000000000880000-memory.dmp

    Filesize

    384KB

  • memory/3944-13-0x0000000140000000-0x0000000140247000-memory.dmp

    Filesize

    2.3MB