Overview

overview

10

Static

static

3

2024-07-08...da.exe

windows7-x64

10

2024-07-08...da.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    84s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09/07/2024, 00:01

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General

  • Target

    2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe

  • Size

    906KB

  • MD5

    6dd8c26f64df37d0c7645b63c9bba51f

  • SHA1

    9e2d705afad61509a90fd07915d3925aa4a3d997

  • SHA256

    a40b815afce131df6d4bc3f389cb64b742f545481119d3ecb78dda22e546a41a

  • SHA512

    0eb26db5752c6806f8b6f51eb7f311154c6a0a3907563b4f144fc09159996ebb014432c0ed98090356ff9fcd88d3f360d3d4ddb97d0c77cc631c8d86de3006e7

  • SSDEEP

    6144:EYdNbzC+2VEOxgtCoW0RlmQzr7cCJPBv7ameMF8DXUQa1xCSjOT:1iuCoW0RlmQzrQCBv76DXfoxCa

Score
10/10
rhysidaransomwarespywarestealer

Malware Config

Signatures

  • Rhysida

    Rhysida is a ransomware that is written in C++ and discovered in 2023.

    ransomwarerhysida
  • Renames multiple (8572) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops file in Program Files directory 64 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe"
    1⤵
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c cmd.exe /c start ping 127.0.0.1 -n 2 > nul && del /f /q "C:\Users\Admin\AppData\Local\Temp\C:\Users\Admin\AppData\Local\Temp\2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Windows\system32\cmd.exe
        cmd.exe /c start ping 127.0.0.1 -n 2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3036
        • C:\Windows\system32\PING.EXE
          ping 127.0.0.1 -n 2
          4⤵
          • Runs ping.exe
          PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\CriticalBreachDetected.pdf
    Filesize

    111KB

    MD5

    93dc030fb16eb16f5f15afb6ce42b1fc

    SHA1

    0ace6ca808c97236dd24470b9b3925416cb55777

    SHA256

    0ba11fb0caa6a8c7b24c5d8dcfb88b2edee9310265f8e4e2c795ec3389c4b225

    SHA512

    1266b09415136ca4ef201527e110f938f50802fa2074796728d7ab0e5868cb1a670f2c2846a46c88d138e83080b7ed1f178e479dd0216bf4c84a31c80d5d078b

    Download Submit

  • memory/624-3269-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

    Download

  • memory/624-4324-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

    Download

  • memory/624-5383-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

    Download

  • memory/624-7115-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

    Download

  • memory/624-9299-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

    Download

  • memory/624-11870-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

    Download

  • memory/624-11915-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

    Download

  • memory/624-11916-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

    Download

  • memory/624-11917-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

    Download