Analysis

  • max time kernel
    147s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    05/11/2020, 07:11

General

  • Target
    SHIPPING DOCS..exe
  • Size 1.1MB
  • Sample201105-7e5pvrp8t2
  • SHA256 ee126cf35bbdcf2b2e8bbff8f27371910f9037799d4a3f5dbba16e5dc39797e7
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.ratllc.ae

  • Port

    587

  • Password

    MGRRATnowzathALI@RATdxbDXBAgro786

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 2 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCS..exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCS..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\CQwwyxaixp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC36.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1376
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:2116
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
          PID:2136
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "{path}"
          2⤵
          • Drops file in Drivers directory
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:500

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/500-20-0x0000000005C90000-0x0000000005C91000-memory.dmp

            memory/500-19-0x00000000054E0000-0x00000000054E1000-memory.dmp

            memory/500-14-0x0000000073BE0000-0x00000000742CE000-memory.dmp

            memory/500-12-0x0000000000400000-0x000000000043C000-memory.dmp

            memory/1056-5-0x00000000053E0000-0x00000000053E1000-memory.dmp

            memory/1056-8-0x0000000009320000-0x00000000093D1000-memory.dmp

            memory/1056-9-0x0000000009480000-0x0000000009481000-memory.dmp

            memory/1056-7-0x0000000008970000-0x0000000008986000-memory.dmp

            memory/1056-6-0x0000000008DF0000-0x0000000008DF1000-memory.dmp

            memory/1056-0-0x0000000073BE0000-0x00000000742CE000-memory.dmp

            memory/1056-4-0x0000000005420000-0x0000000005421000-memory.dmp

            memory/1056-3-0x0000000005920000-0x0000000005921000-memory.dmp

            memory/1056-1-0x0000000000A90000-0x0000000000A91000-memory.dmp