Analysis

  • max time kernel
    141s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:02

General

  • Target

    SWIFT DOC _679388 TT 190617_2019-NLCIV000003576_ES146009_30309679.exe

  • Size

    580KB

  • MD5

    256b58fb7dd3bb1e36833d133c7ba419

  • SHA1

    18bbcd5c4d013e462ae3eaee2e8288544ecf3355

  • SHA256

    ab1a433953a0fc6ef7159d5eec3d6fa8cc97fff695cd51ab9a5bb9aef4e857f8

  • SHA512

    447dff71be288ddf00f894e0ded5363529cc316ab8bec654bc9d65a87a554b6297ed6ce3cd1f6ec7d190a361a475807ad80ce2393505b29f677aa00e7453b177

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.connectus-trade.net/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    o^Z0CIU?^yL2

  • Protocol:
    ftp
  • Host:
    ftp://ftp.connectus-trade.net/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    o^Z0CIU?^yL2

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SWIFT DOC _679388 TT 190617_2019-NLCIV000003576_ES146009_30309679.exe
    "C:\Users\Admin\AppData\Local\Temp\SWIFT DOC _679388 TT 190617_2019-NLCIV000003576_ES146009_30309679.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Users\Admin\AppData\Local\Temp\SWIFT DOC _679388 TT 190617_2019-NLCIV000003576_ES146009_30309679.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:836
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1336

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/836-56-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/836-57-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/836-59-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/836-61-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/836-60-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/836-64-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/836-62-0x000000000044CCAE-mapping.dmp

    • memory/836-66-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/836-68-0x00000000742D0000-0x000000007487B000-memory.dmp

      Filesize

      5.7MB

    • memory/1164-54-0x0000000075D21000-0x0000000075D23000-memory.dmp

      Filesize

      8KB

    • memory/1164-55-0x00000000742D0000-0x000000007487B000-memory.dmp

      Filesize

      5.7MB

    • memory/1336-69-0x0000000000000000-mapping.dmp