Overview

overview

7

Static

static

3

2024-04-28...uk.exe

windows7-x64

5

2024-04-28...uk.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 03:51

Sharing

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General

  • Target

    2024-04-28_98110c3f31416bec12d171b0d061ffc9_ryuk.exe

  • Size

    1.8MB

  • MD5

    98110c3f31416bec12d171b0d061ffc9

  • SHA1

    ac260c77297241f14a2043c629a2793418153b7c

  • SHA256

    6b25ead3006f222862a9dfb1427fab6351336382164c95610584278b716aa78f

  • SHA512

    15cf8857ab7d10719957ab80332e24bd2e4c90a59b647c0ef0f4474bf8b1fe23cc4c25805dfae98b5e5427d0526ba3ad4fe35823990a20b1755cfd845570d308

  • SSDEEP

    49152:TKfuPS3ELNjV7IZxEfOfOgwf0r/snji6attJM:Am9sZxwg7EnW6at

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-28_98110c3f31416bec12d171b0d061ffc9_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-28_98110c3f31416bec12d171b0d061ffc9_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2016 -s 280
      2⤵
        PID:2356

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/2016-6-0x0000000000490000-0x00000000004F0000-memory.dmp
      Filesize

      384KB

      Download
    • memory/2016-1-0x0000000000490000-0x00000000004F0000-memory.dmp
      Filesize

      384KB

      Download
    • memory/2016-8-0x0000000140000000-0x00000001401DF000-memory.dmp
      Filesize

      1.9MB

      Download