Analysis

  • max time kernel
    66s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    27-06-2021 11:46

General

  • Target

    NordVPNSetup.exe

  • Size

    1.1MB

  • MD5

    1b01af0b820d4c8d3ebe3723cfefc5f8

  • SHA1

    32e5ee49475a930da2ffe199be41e7b639d1ae1b

  • SHA256

    eaee3b7f33e680cfebcac7634b0ea0aaefac8564bc50603cb90669a43d89a29e

  • SHA512

    f27f2ae8bc047cf392d4823898353901b83733a127c750adad4574c82e8371174666144b21938462f152a7be295143041adc3a43f8b05f4fb46ffbd7394445ae

Malware Config

Signatures

  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • 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.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NordVPNSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\NordVPNSetup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4092
    • C:\Users\Admin\AppData\Local\Temp\NordVPNSetup.exe
      "{path}"
      2⤵
        PID:3880
      • C:\Users\Admin\AppData\Local\Temp\NordVPNSetup.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:372
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 372 -s 2948
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2736

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NordVPNSetup.exe.log
      MD5

      b4f7a6a57cb46d94b72410eb6a6d45a9

      SHA1

      69f3596ffa027202d391444b769ceea0ae14c5f7

      SHA256

      23994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b

      SHA512

      be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c

    • memory/372-127-0x00000000004934C6-mapping.dmp
    • memory/372-133-0x0000000006490000-0x0000000006500000-memory.dmp
      Filesize

      448KB

    • memory/372-132-0x0000000002F50000-0x0000000002F51000-memory.dmp
      Filesize

      4KB

    • memory/372-131-0x0000000005680000-0x0000000005681000-memory.dmp
      Filesize

      4KB

    • memory/372-126-0x0000000000400000-0x000000000049A000-memory.dmp
      Filesize

      616KB

    • memory/4092-119-0x00000000052D0000-0x000000000538A000-memory.dmp
      Filesize

      744KB

    • memory/4092-122-0x0000000005100000-0x0000000005101000-memory.dmp
      Filesize

      4KB

    • memory/4092-123-0x00000000029C0000-0x00000000029C1000-memory.dmp
      Filesize

      4KB

    • memory/4092-124-0x0000000006070000-0x000000000610E000-memory.dmp
      Filesize

      632KB

    • memory/4092-125-0x00000000087F0000-0x0000000008886000-memory.dmp
      Filesize

      600KB

    • memory/4092-121-0x0000000005240000-0x0000000005244000-memory.dmp
      Filesize

      16KB

    • memory/4092-120-0x0000000005430000-0x0000000005431000-memory.dmp
      Filesize

      4KB

    • memory/4092-114-0x0000000000690000-0x0000000000691000-memory.dmp
      Filesize

      4KB

    • memory/4092-118-0x00000000050F0000-0x00000000050F1000-memory.dmp
      Filesize

      4KB

    • memory/4092-117-0x0000000005040000-0x0000000005041000-memory.dmp
      Filesize

      4KB

    • memory/4092-116-0x0000000005610000-0x0000000005611000-memory.dmp
      Filesize

      4KB