Analysis

  • max time kernel
    27s
  • max time network
    76s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    07/08/2021, 12:31

General

  • Target
    8264ab6e46265bc858d9bc232c0e55bc.exe
  • Size 477KB
  • Sample210807-ghrlkwscmn
  • SHA256 bbbfd58f79cff623722df5aab5a7d9e4d55b2e22f28bd489262bb46d6209bebb
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • raccoon

Botnet
  • 8a89272858125c31016bc130ad19557408b8bbe4

Attributes
  • url4cnc

    https://telete.in/jjbadb0y

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Raccoon Stealer Payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8264ab6e46265bc858d9bc232c0e55bc.exe
    "C:\Users\Admin\AppData\Local\Temp\8264ab6e46265bc858d9bc232c0e55bc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:628
    • C:\Users\Admin\AppData\Local\Temp\CMsZmcmZl0.exe
      "C:\Users\Admin\AppData\Local\Temp\CMsZmcmZl0.exe"
      2⤵
      • Executes dropped EXE
      PID:3684
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\8264ab6e46265bc858d9bc232c0e55bc.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1164
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:2100

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/628-114-0x0000000004A10000-0x0000000004AA3000-memory.dmp

        memory/628-115-0x0000000000400000-0x0000000002CAE000-memory.dmp

        memory/3684-126-0x0000000002C70000-0x0000000002DBA000-memory.dmp

        memory/3684-127-0x0000000000400000-0x0000000002C6B000-memory.dmp