Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/11/2020, 20:06

General

  • Target
    PROJECT-0039382.exe
  • Size 363KB
  • Sample201109-nch2pfmp2x
  • SHA256 1136fada0e7737d8ea5304cb8e85550cf1ca35e2b64bfa6e000b07d5c428f7d7
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.privateemail.com

  • Port

    587

  • Password

    NoWorkNoPay@

Signatures

  • CoreEntity .NET Packer 1 IoCs

    A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

  • M00nd3v_Logger

    M00nd3v Logger is a .NET stealer/logger targeting passwords from browsers and email clients.

  • M00nD3v Logger Payload 4 IoCs

    Detects M00nD3v Logger payload in memory.

  • rezer0 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PROJECT-0039382.exe
    "C:\Users\Admin\AppData\Local\Temp\PROJECT-0039382.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qvcUgdxQPegs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2971.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1352
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
        PID:1512
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "{path}"
        2⤵
          PID:840
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "{path}"
          2⤵
            PID:1384
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "{path}"
            2⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:616
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmp6AEB.tmp"
              3⤵
                PID:436
              • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmp70F5.tmp"
                3⤵
                  PID:1264

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  memory/436-17-0x0000000000400000-0x000000000041C000-memory.dmp

                  memory/436-15-0x0000000000400000-0x000000000041C000-memory.dmp

                  memory/616-10-0x0000000000400000-0x0000000000444000-memory.dmp

                  memory/616-7-0x0000000000400000-0x0000000000444000-memory.dmp

                  memory/616-9-0x0000000000400000-0x0000000000444000-memory.dmp

                  memory/616-11-0x0000000074600000-0x0000000074CEE000-memory.dmp

                  memory/916-14-0x000007FEF6930000-0x000007FEF6BAA000-memory.dmp

                  memory/1056-0-0x0000000074CF0000-0x00000000753DE000-memory.dmp

                  memory/1056-4-0x0000000000860000-0x00000000008A6000-memory.dmp

                  memory/1056-3-0x0000000000550000-0x0000000000552000-memory.dmp

                  memory/1056-1-0x0000000001340000-0x0000000001341000-memory.dmp

                  memory/1264-20-0x0000000000400000-0x000000000041C000-memory.dmp