Analysis

  • max time kernel
    97s
  • max time network
    102s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2022, 20:27

General

  • Target
    0bd19463476232d6c31268abf8935520.exe
  • Size 6.7MB
  • Sample221005-y8d8wsfec6
  • SHA256 354ff86b7dccc955b7ce0239141ef93f4aee741f48cd02e2c3341e711f1bf370
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • raccoon

Botnet
  • cee437c1856beeadc9ba2e07954dbe9e

C2
  • http://94.131.96.109

  • http://45.89.55.113

rc4.plain

Signatures

  • Raccoon

    Raccoon is an infostealer written in C++ and first seen in 2019.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0bd19463476232d6c31268abf8935520.exe
    "C:\Users\Admin\AppData\Local\Temp\0bd19463476232d6c31268abf8935520.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Users\Admin\AppData\Roaming\MwVnc1WE.exe
      "C:\Users\Admin\AppData\Roaming\MwVnc1WE.exe"
      2⤵
      • Executes dropped EXE
      PID:1516

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        MwVnc1WE.exe

        • Path C:\Users\Admin\AppData\Roaming\MwVnc1WE.exe
        • Size 5.1MB
        • SHA256 6375c2e53e3dc7c6bfb8a0c0b83f8e3c7490d1067804479e991dfcd2c900ece8
        • MD5 SHA1 SHA512 SSDEEP

        mozglue.dll

        • Path \Users\Admin\AppData\LocalLow\mozglue.dll
        • Size 612KB
        • SHA256 4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862
        • MD5 SHA1 SHA512 SSDEEP

        nss3.dll

        • Path \Users\Admin\AppData\LocalLow\nss3.dll
        • Size 1.9MB
        • SHA256 c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e
        • MD5 SHA1 SHA512 SSDEEP

        sqlite3.dll

        • Path \Users\Admin\AppData\LocalLow\sqlite3.dll
        • Size 1.0MB
        • SHA256 47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68
        • MD5 SHA1 SHA512 SSDEEP

        MwVnc1WE.exe

        • Path \Users\Admin\AppData\Roaming\MwVnc1WE.exe
        • Size 5.1MB
        • SHA256 6375c2e53e3dc7c6bfb8a0c0b83f8e3c7490d1067804479e991dfcd2c900ece8
        • MD5 SHA1 SHA512 SSDEEP

        MwVnc1WE.exe

        • Path \Users\Admin\AppData\Roaming\MwVnc1WE.exe
        • Size 5.1MB
        • SHA256 6375c2e53e3dc7c6bfb8a0c0b83f8e3c7490d1067804479e991dfcd2c900ece8
        • MD5 SHA1 SHA512 SSDEEP

        memory/1516-67-0x0000000001260000-0x0000000002515000-memory.dmp

        memory/1516-68-0x0000000001260000-0x0000000002515000-memory.dmp

        memory/1528-54-0x0000000000B40000-0x0000000001655000-memory.dmp

        memory/1528-58-0x0000000000B40000-0x0000000001655000-memory.dmp

        memory/1528-57-0x0000000075021000-0x0000000075023000-memory.dmp

        memory/1528-66-0x0000000000B40000-0x0000000001655000-memory.dmp