Analysis

  • max time kernel
    138s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    16-07-2020 03:11

General

  • Target

    PO.exe

  • Size

    1.3MB

  • MD5

    911cfe476937e7f4aad553bc0814e802

  • SHA1

    0e8b839716a75991db3f26c5c768059f1aaff27e

  • SHA256

    b65f542c74ced21ba853b4840f0cfad311027e518b1c3925bd530a2da424293c

  • SHA512

    024749dbe0672625ced0f2e9b2039ba20d4b6f9ef4d5342678773b309e340f93769f081962fece7b2eed4774b0e1869801e0e773a353949c073a89b1d28da1ad

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.israelagroconsultant.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    israelagro@123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 1 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO.exe
    "C:\Users\Admin\AppData\Local\Temp\PO.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zQklBRQkb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9B16.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1828
    • 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
      • Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
        3⤵
        • Modifies registry key
        PID:1544

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1748-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1748-6-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1748-7-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB