Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    09-07-2020 12:13

General

  • Target

    PDF.New order.exe

  • Size

    571KB

  • MD5

    b4a67408bac84f6f0280dd23ca072ed0

  • SHA1

    488ef4e8228dcec6621589751fafef6b2a7945e1

  • SHA256

    9886dbd251a349a2675e4b0bd53a0b24bed7858541d955f0c7449c6a5e15e4ee

  • SHA512

    c8239327dd70bb96fd6d5b15609468c8d254d684163e22eb1bb0f9eb2f68e9abe91578b30ea330f23b2bf552ac768f80d8a525fa960910d25260a24a95dce8ba

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.orientalkuwait.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Operatingmanager1&

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PDF.New order.exe
    "C:\Users\Admin\AppData\Local\Temp\PDF.New order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dDNWtHLI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8EC7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:324
    • C:\Users\Admin\AppData\Local\Temp\PDF.New order.exe
      "{path}"
      2⤵
        PID:1516
      • C:\Users\Admin\AppData\Local\Temp\PDF.New order.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1512

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp8EC7.tmp

      MD5

      ef70f8c60b6d2217efc7d087e2730fec

      SHA1

      050d3010b236ca398618f8c3accedd7af87b8a88

      SHA256

      3526b88896c32f72cc9b17de3f87d87f96a0bf24c50d73ae2965469ab9b0820c

      SHA512

      0b0083197d1b2309a648a4c472a4605846c53e8d456f2d58d03d978dbda38800f46113ce6e81567af2018b188b50c117013cf92fec536ce61965eb0ea568b99c

    • memory/324-2-0x0000000000000000-mapping.dmp

    • memory/1512-4-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1512-5-0x0000000000446EDE-mapping.dmp

    • memory/1512-6-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1512-7-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1552-1-0x0000000000000000-0x0000000000000000-disk.dmp