Analysis

  • max time kernel
    29s
  • max time network
    65s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    13/08/2021, 15:42

General

  • Target
    40887b7f1c14e361aa558577b6ff11201f04090fdcec0.exe
  • Size 571KB
  • Sample210813-7g5rf8fml6
  • SHA256 40887b7f1c14e361aa558577b6ff11201f04090fdcec0c28ae76dd11f40ecc27
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • raccoon

Botnet
  • 619c26986c79d067eda0bf8e57955aebe9af0fa7

Attributes
  • url4cnc

    https://telete.in/forkmaster123

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
  • Deletes itself 1 IoCs
  • Loads dropped DLL 7 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.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40887b7f1c14e361aa558577b6ff11201f04090fdcec0.exe
    "C:\Users\Admin\AppData\Local\Temp\40887b7f1c14e361aa558577b6ff11201f04090fdcec0.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\40887b7f1c14e361aa558577b6ff11201f04090fdcec0.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:432
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:952

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1724-60-0x00000000769B1000-0x00000000769B3000-memory.dmp

        memory/1724-61-0x0000000000220000-0x00000000002B3000-memory.dmp

        memory/1724-62-0x0000000000400000-0x0000000000945000-memory.dmp