Analysis

  • max time kernel
    4294192s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    08/03/2022, 11:22

General

  • Target
    Outstanding_payment202047654Outstanding_payment202047654.exe
  • Size 877KB
  • Sample220308-ngltjseca2
  • SHA256 4fa6b42e185b020148be0e775cdca44f00701b7cd2e68d78dc16cf6dcf6a2dba
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • Drops file in Drivers directory 1 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Outstanding_payment202047654Outstanding_payment202047654.exe
    "C:\Users\Admin\AppData\Local\Temp\Outstanding_payment202047654Outstanding_payment202047654.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Users\Admin\AppData\Local\Temp\Outstanding_payment202047654Outstanding_payment202047654.exe
      "C:\Users\Admin\AppData\Local\Temp\Outstanding_payment202047654Outstanding_payment202047654.exe"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1244

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1232-54-0x0000000000EC0000-0x0000000000FA2000-memory.dmp

        memory/1232-55-0x0000000074BD0000-0x00000000752BE000-memory.dmp

        memory/1232-56-0x0000000004E50000-0x0000000004E51000-memory.dmp

        memory/1232-57-0x0000000000290000-0x00000000002A2000-memory.dmp

        memory/1232-58-0x0000000007F90000-0x000000000804C000-memory.dmp

        memory/1232-59-0x00000000006F0000-0x000000000072C000-memory.dmp

        memory/1244-60-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1244-62-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1244-64-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1244-66-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1244-68-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1244-70-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1244-72-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1244-73-0x0000000074BD0000-0x00000000752BE000-memory.dmp

        memory/1244-74-0x0000000004D30000-0x0000000004D31000-memory.dmp

        memory/1244-75-0x0000000004D31000-0x0000000004D32000-memory.dmp