Analysis

  • max time kernel
    118s
  • max time network
    57s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    13-07-2020 11:28

General

  • Target

    ORDER2006825PDF.bat.exe

  • Size

    329KB

  • MD5

    eb441a7f4ae42f3c61d90fe6c1f52a37

  • SHA1

    845d56c017fbf48356ec10688dbd56dcf0104d4f

  • SHA256

    6af0d9e7f7aaaa03a685b4fa6e003b55ded357d4d35874f98b8deaafbae7f2b1

  • SHA512

    d598a660dda08ef3b428688cf03cb921324fe4118e3bfb055fefd825e91b92fa715f1ec0b6850fc14d55c4155cb68b4060d0b92422df7f3dbf30c8f2a0e752e3

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.saritatravels.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sameerb%$321

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORDER2006825PDF.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDER2006825PDF.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SVyFFzARUw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2F2A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1784
    • C:\Users\Admin\AppData\Local\Temp\ORDER2006825PDF.bat.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1556

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2F2A.tmp

    MD5

    593e56facc7c442eaf54cd1ca4747a8d

    SHA1

    d3eebc4ff80d3a24f552ad985de435ac55360798

    SHA256

    d5e91b163d765ed31e8dffe38fa36861aa77f0f8e34df0fd480ab9b405a6c757

    SHA512

    00acd87698c716bb2a09def35b54d00b1847e9c68725d1abc38ae30f09d7fae96438b63789c93eae21583af33343b6d991825be3e9ba98d2e8dc49e9ce07c501

  • memory/1556-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1556-3-0x000000000044697E-mapping.dmp

  • memory/1556-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1556-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1784-0-0x0000000000000000-mapping.dmp