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Analysis

  • max time kernel
    71s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    12/04/2021, 06:37

General

  • Target

    output(1).exe

  • Size

    1.1MB

  • MD5

    6f23faff2a32f16a2a3cfb3dfe4d2e38

  • SHA1

    d52ded952a66428f282811dafb651d124b7b05ea

  • SHA256

    8e9d0e52d976ff21f930c8c032b94b394738fb652db616eebaa18fb0ab5fcde7

  • SHA512

    bf4c7f8db3f743b2f4f75588425eb3922e926704b2e9b0474389369e95d3f9247a48e7b99e8754862db3f8d6cc65bbd74a7745abc6e16683bfd0f47e622f0fd0

Malware Config

Extracted

Family

raccoon

Botnet

f55f17175de492dccaffeb57cb41e8ca951c34c4

Attributes
  • url4cnc

    https://tttttt.me/umiumitfr3

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\output(1).exe
    "C:\Users\Admin\AppData\Local\Temp\output(1).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4644
    • C:\Users\Admin\AppData\Local\Temp\output(1).exe
      "C:\Users\Admin\AppData\Local\Temp\output(1).exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2172
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\output(1).exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3252
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:568

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2172-114-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/2172-116-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB