Analysis

  • max time kernel
    174s
  • max time network
    177s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-07-2022 14:07

General

  • Target

    ProtonVPN 5.10.00.exe

  • Size

    399.7MB

  • MD5

    3ace2504f0eddb23f2d9f783c65727c8

  • SHA1

    2c6da9a828c5c32132cfbd6991a5f414a6e17dcd

  • SHA256

    5665013064b9e8061254b8d831c89997885bc03627d10326418db5b961d49e7c

  • SHA512

    2e967f22dfbca2f2d311e1686d63f84f92395ffc76293e4cba1952b11e8005ee4fb597cee67478896a16dc2b20da99a09c82d7bbd8b7382857a68382f3932c47

Malware Config

Extracted

Family

raccoon

Botnet

21f08585870c425fe2ebf8217377616a

C2

http://142.132.229.12/

http://164.92.172.4/

rc4.plain
rc4.plain

Signatures

  • Raccoon

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

  • suricata: ET MALWARE Generic Stealer Config Download Request

    suricata: ET MALWARE Generic Stealer Config Download Request

  • suricata: ET MALWARE Win32/RecordBreaker CnC Checkin

    suricata: ET MALWARE Win32/RecordBreaker CnC Checkin

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 5 IoCs

    Detects Themida, an advanced Windows software protection system.

  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ProtonVPN 5.10.00.exe
    "C:\Users\Admin\AppData\Local\Temp\ProtonVPN 5.10.00.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1892 -s 648
      2⤵
      • Program crash
      PID:576

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\LocalLow\mozglue.dll
    Filesize

    612KB

    MD5

    f07d9977430e762b563eaadc2b94bbfa

    SHA1

    da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

    SHA256

    4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

    SHA512

    6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

  • \Users\Admin\AppData\LocalLow\nss3.dll
    Filesize

    1.9MB

    MD5

    f67d08e8c02574cbc2f1122c53bfb976

    SHA1

    6522992957e7e4d074947cad63189f308a80fcf2

    SHA256

    c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

    SHA512

    2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

  • \Users\Admin\AppData\LocalLow\sqlite3.dll
    Filesize

    1.0MB

    MD5

    dbf4f8dcefb8056dc6bae4b67ff810ce

    SHA1

    bbac1dd8a07c6069415c04b62747d794736d0689

    SHA256

    47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

    SHA512

    b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

  • memory/576-65-0x0000000000000000-mapping.dmp
  • memory/1892-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp
    Filesize

    8KB

  • memory/1892-55-0x00000000013E0000-0x0000000001B9A000-memory.dmp
    Filesize

    7.7MB

  • memory/1892-56-0x00000000013E0000-0x0000000001B9A000-memory.dmp
    Filesize

    7.7MB

  • memory/1892-58-0x00000000777B0000-0x0000000077930000-memory.dmp
    Filesize

    1.5MB

  • memory/1892-57-0x00000000013E0000-0x0000000001B9A000-memory.dmp
    Filesize

    7.7MB

  • memory/1892-59-0x00000000013E0000-0x0000000001B9A000-memory.dmp
    Filesize

    7.7MB

  • memory/1892-60-0x00000000013E0000-0x0000000001B9A000-memory.dmp
    Filesize

    7.7MB

  • memory/1892-61-0x00000000777B0000-0x0000000077930000-memory.dmp
    Filesize

    1.5MB