Analysis

  • max time kernel
    114s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    13-07-2020 14:35

General

  • Target

    new shipment.exe

  • Size

    538KB

  • MD5

    3a1635fd14ff9c17c0f65b8c393b9739

  • SHA1

    1f6e011d27ab1bbcfb5d57494610327bcf889aeb

  • SHA256

    e016bfbd170c4b15789abf7fa2ba30bec2bd785e2ec9b9fc759722833ed88a87

  • SHA512

    c37644c6b1ae9bd046d3a98733cd357051d632d926d408fbfc9a327668442b328be0aa5f56de5ebb416d772a1109c45f86aff90ab20c70bea3fd2641913f2211

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aquariuslogistics.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    AQL@2019#$

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\new shipment.exe
    "C:\Users\Admin\AppData\Local\Temp\new shipment.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1344
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LvUfBoWgxd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAC26.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:340
    • 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:1160
      • 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:1908

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpAC26.tmp

    MD5

    dd67c42b0c6c65306f1770680fdcd1d9

    SHA1

    da1fe1f62bd6c1e7918bc4f55bbb028a64433648

    SHA256

    1ef74783cbc4d9a4f6191d4e063c41aeef451d505d0f4c905aced25ab3f0804e

    SHA512

    6341bd373e34a809cfe01727529b3c09cdf0f2f46b8972800b54da306d15c44608a296f6ea99959feb3b569754b214ad9337770d751ff9aa94cbfe114b8f904a

  • memory/340-2-0x0000000000000000-mapping.dmp

  • memory/1160-4-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/1160-5-0x00000000004472EE-mapping.dmp

  • memory/1160-6-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/1160-7-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/1344-1-0x0000000000000000-0x0000000000000000-disk.dmp

  • memory/1908-8-0x0000000000000000-mapping.dmp