Analysis

  • max time kernel
    140s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    01/07/2020, 09:28

General

  • Target
    Order016739PDF.exe
  • Size 700KB
  • Sample200701-r7675ekdna
  • SHA256 a8ec57a26ec4c0a4dbd0cdce3e4a1bea7d77433160f0a48737e0df9e203da492
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.bmdonline.ro/

  • Port

    21

  • Password

    c^,O(bP@w$&SNN@ossyguru@009988

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.bmdonline.ro/

  • Port

    21

  • Password

    c^,O(bP@w$&SNN@ossyguru@009988

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order016739PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Order016739PDF.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
      "C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1640

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1744-4-0x0000000000400000-0x0000000000452000-memory.dmp

          memory/1744-7-0x0000000000400000-0x0000000000452000-memory.dmp

          memory/1744-8-0x0000000000400000-0x0000000000452000-memory.dmp