Overview

overview

7

Static

static

3

2024-05-24...uk.exe

windows7-x64

7

2024-05-24...uk.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 15:57

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General

  • Target

    2024-05-24_628efc625057e3615350539371dccc9a_ryuk.exe

  • Size

    1.8MB

  • MD5

    628efc625057e3615350539371dccc9a

  • SHA1

    b6a1b764a8f4d2fccbc54fb98dbf00a5fbca9d3e

  • SHA256

    4a578d1cb1579907b3c78b2693a7468a7f8812cbe3a5d3f4a02f3303c3f1830a

  • SHA512

    5f0d8a8f4a30c49d5bf16520620b49607b302d425b858d0e4d11fe66c6391aa00d8d20a3ace96f6cd35ed83332de597f388af9c4339082c52264eeb5e8621b0f

  • SSDEEP

    49152:gKfuPS3ELNjV7IZxEfOfOgwf0FkQ/qoLEw:3m9sZxwglqo4w

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-24_628efc625057e3615350539371dccc9a_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-24_628efc625057e3615350539371dccc9a_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3056 -s 332
      2⤵
        PID:2888
    • C:\Windows\System32\alg.exe
      C:\Windows\System32\alg.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2844

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • \Windows\System32\alg.exe
      Filesize

      1.2MB

      MD5

      86967214fd2bd7b30c9ab4f2e96307b3

      SHA1

      575b2cb2c07e92834183a6e7c2558cb12193d7f4

      SHA256

      ace482bf420be68be87f4b758e28f4e2120eb402088d6c142b1d7be078876e07

      SHA512

      423b08d6fdee3cf0e877053463a464dde1473f305142eb0ba37f808760b3b8ca19b5c354e3dc090d3bbd09fff966ecd75573d6d1ef76e22f0a4ec196551aba90

      Download Submit
    • memory/2844-14-0x0000000100000000-0x000000010013B000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/2844-15-0x0000000000940000-0x00000000009A0000-memory.dmp
      Filesize

      384KB

      Download
    • memory/2844-21-0x0000000000940000-0x00000000009A0000-memory.dmp
      Filesize

      384KB

      Download
    • memory/2844-22-0x0000000000940000-0x00000000009A0000-memory.dmp
      Filesize

      384KB

      Download
    • memory/2844-26-0x0000000100000000-0x000000010013B000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/3056-0-0x0000000001C30000-0x0000000001C90000-memory.dmp
      Filesize

      384KB

      Download
    • memory/3056-7-0x0000000001C30000-0x0000000001C90000-memory.dmp
      Filesize

      384KB

      Download
    • memory/3056-6-0x0000000140000000-0x00000001401DF000-memory.dmp
      Filesize

      1.9MB

      Download
    • memory/3056-8-0x0000000001C30000-0x0000000001C90000-memory.dmp
      Filesize

      384KB

      Download
    • memory/3056-25-0x0000000140000000-0x00000001401DF000-memory.dmp
      Filesize

      1.9MB

      Download