Analysis

  • max time kernel
    80s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18/07/2022, 06:55

General

  • Target
    TheOpen_140722.cps.exe
  • Sample220718-hpsdeaabe2

Malware Config

Extracted

Family
  • raccoon

Botnet
  • 54641d75d5de0fc850ef2098e881f4d8

C2
  • http://51.195.166.175/

rc4.plain

Signatures

  • Raccoon

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

  • Raccoon Stealer payload 4 IoCs
  • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • 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.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TheOpen_140722.cps.exe
    "C:\Users\Admin\AppData\Local\Temp\TheOpen_140722.cps.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4360
    • C:\Users\Admin\AppData\Roaming\Z40Z9P4o.exe
      "C:\Users\Admin\AppData\Roaming\Z40Z9P4o.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2776
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
          PID:211500
      • C:\Users\Admin\AppData\Roaming\Z0JE932N.exe
        "C:\Users\Admin\AppData\Roaming\Z0JE932N.exe"
        2⤵
        • Executes dropped EXE
        • Drops startup file
        • Adds Run key to start application
        PID:112

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          mozglue.dll

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

          nss3.dll

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

          sqlite3.dll

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

          Z0JE932N.exe

          • Path C:\Users\Admin\AppData\Roaming\Z0JE932N.exe
          • Size 73KB
          • SHA256 63bda91a263a1568359ef0bcb80a1303e405607d666a73d2bb3bdc9062871c82
          • MD5 SHA1 SHA512 SSDEEP

          Z0JE932N.exe

          • Path C:\Users\Admin\AppData\Roaming\Z0JE932N.exe
          • Size 73KB
          • SHA256 63bda91a263a1568359ef0bcb80a1303e405607d666a73d2bb3bdc9062871c82
          • MD5 SHA1 SHA512 SSDEEP

          Z40Z9P4o.exe

          • Path C:\Users\Admin\AppData\Roaming\Z40Z9P4o.exe
          • Size 3.4MB
          • SHA256 bc4a3d083a4fc9d70b3c0459993da32a486e57fd87bae84c95b7116eb3ec687c
          • MD5 SHA1 SHA512 SSDEEP

          Z40Z9P4o.exe

          • Path C:\Users\Admin\AppData\Roaming\Z40Z9P4o.exe
          • Size 3.4MB
          • SHA256 bc4a3d083a4fc9d70b3c0459993da32a486e57fd87bae84c95b7116eb3ec687c
          • MD5 SHA1 SHA512 SSDEEP

          memory/112-143-0x000001E55AF80000-0x000001E55AF98000-memory.dmp

          memory/112-145-0x00007FFD62500000-0x00007FFD62FC1000-memory.dmp

          memory/112-154-0x00007FFD62500000-0x00007FFD62FC1000-memory.dmp

          memory/4360-130-0x00000000009D0000-0x00000000014A8000-memory.dmp

          memory/4360-136-0x00000000009D0000-0x00000000014A8000-memory.dmp

          memory/4360-132-0x00000000009D0000-0x00000000014A8000-memory.dmp

          memory/4360-144-0x00000000009D0000-0x00000000014A8000-memory.dmp

          memory/211500-147-0x0000000000770000-0x0000000000874000-memory.dmp

          memory/211500-153-0x0000000000770000-0x0000000000874000-memory.dmp