Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20/05/2022, 06:55

General

  • Target
    c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe
  • Size 1.5MB
  • Sample220520-hpsdeaefg2
  • SHA256 c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 52.2

Botnet
  • 1326

C2
  • https://t.me/netflixaccsfree

  • https://mastodon.social/@ronxik12

Attributes
  • profile_id

    1326

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

    suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

  • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

    suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

  • Vidar Stealer 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe
    "C:\Users\Admin\AppData\Local\Temp\c37ab7fc4b65b54fcb9c3c6493a94ae57e32b6a9fe2c6b61f835e7c5aed744dc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1388
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c taskkill /im InstallUtil.exe /f & timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" & del C:\ProgramData\*.dll & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:844
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /im InstallUtil.exe /f
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1128
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 6
          4⤵
          • Delays execution with timeout.exe
          PID:1832

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        freebl3.dll

        • Path C:\ProgramData\freebl3.dll
        • Size 326KB
        • SHA256 a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba
        • MD5 SHA1 SHA512 SSDEEP

        mozglue.dll

        • Path C:\ProgramData\mozglue.dll
        • Size 133KB
        • SHA256 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
        • MD5 SHA1 SHA512 SSDEEP

        msvcp140.dll

        • Path C:\ProgramData\msvcp140.dll
        • Size 429KB
        • SHA256 334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
        • MD5 SHA1 SHA512 SSDEEP

        nss3.dll

        • Path C:\ProgramData\nss3.dll
        • Size 1.2MB
        • SHA256 e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
        • MD5 SHA1 SHA512 SSDEEP

        softokn3.dll

        • Path C:\ProgramData\softokn3.dll
        • Size 141KB
        • SHA256 43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083
        • MD5 SHA1 SHA512 SSDEEP

        vcruntime140.dll

        • Path C:\ProgramData\vcruntime140.dll
        • Size 81KB
        • SHA256 c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
        • MD5 SHA1 SHA512 SSDEEP

        mozglue.dll

        • Path \ProgramData\mozglue.dll
        • Size 133KB
        • SHA256 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
        • MD5 SHA1 SHA512 SSDEEP

        nss3.dll

        • Path \ProgramData\nss3.dll
        • Size 1.2MB
        • SHA256 e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
        • MD5 SHA1 SHA512 SSDEEP

        memory/1280-58-0x000000000F7A0000-0x000000000FB1B000-memory.dmp

        memory/1280-55-0x00000000020C0000-0x000000000223B000-memory.dmp

        memory/1280-54-0x00000000020C0000-0x000000000223B000-memory.dmp

        memory/1280-56-0x0000000076181000-0x0000000076183000-memory.dmp

        memory/1280-57-0x000000000F7A0000-0x000000000FB1B000-memory.dmp

        memory/1388-63-0x0000000000400000-0x0000000000453000-memory.dmp

        memory/1388-59-0x0000000000400000-0x0000000000453000-memory.dmp

        memory/1388-61-0x0000000000400000-0x0000000000453000-memory.dmp

        memory/1388-64-0x0000000000400000-0x0000000000453000-memory.dmp

        memory/1388-66-0x0000000060900000-0x0000000060992000-memory.dmp