Analysis

  • max time kernel
    126s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    06/05/2021, 00:02

General

  • Target
    d0496b3b_by_Libranalysis.exe
  • Size 565KB
  • Sample210506-nbrmq3ghvx
  • SHA256 de7ccff53ca27db1ed1e3e0d0df07f2e3364ec6b7e60622dc7726cba56831eb7
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • raccoon

Botnet
  • c021300d0074689fde86c87568e215c582272721

Attributes
  • url4cnc

    https://tttttt.me/ch0koalpengold

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Loads dropped DLL 8 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\d0496b3b_by_Libranalysis.exe
    "C:\Users\Admin\AppData\Local\Temp\d0496b3b_by_Libranalysis.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:784
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\d0496b3b_by_Libranalysis.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:1740

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/784-60-0x0000000075AA1000-0x0000000075AA3000-memory.dmp

        memory/784-62-0x0000000000400000-0x00000000004A3000-memory.dmp

        memory/784-61-0x0000000000310000-0x00000000003A1000-memory.dmp