Analysis

  • max time kernel
    149s
  • max time network
    6s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    24-06-2020 15:08

General

  • Target

    SHIPPING DOCUMENTS AND EXIT ENTRY NOTE.exe

  • Size

    1.4MB

  • MD5

    4c44f7cd52dd7f496a3becf1c1de3dca

  • SHA1

    dacdf39c0c61a74b8f30d406ab8d7e2575244e19

  • SHA256

    301e1fa5855704be7f2c773cb7393098c89fe31b40dc6237420835d1c53a6a64

  • SHA512

    33393a0187ae4005f3f4e569dda510b9d6abb89fbfb6da0038a13457fed9e5ef972f6919d15aa765c9ceec583bc9639359dbfc793f5a9c1aa3d7f3e43d518dce

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.rajalakshmi.co.in
  • Port:
    587
  • Username:
    projects@rajalakshmi.co.in
  • Password:
    016_PROjects*

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS AND EXIT ENTRY NOTE.exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS AND EXIT ENTRY NOTE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
      2⤵
      • Drops file in Drivers directory
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1488
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoRun /t REG_DWORD /d 1 /f
        3⤵
        • Modifies registry key
        PID:1500
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1800

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    2
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1488-0-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/1488-1-0x000000000044D3AE-mapping.dmp
    • memory/1488-2-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/1500-3-0x0000000000000000-mapping.dmp
    • memory/1800-4-0x0000000000000000-mapping.dmp