Analysis

  • max time kernel
    125s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    12/05/2021, 10:40

General

  • Target
    8da07b81759658eaffa2565d09b23375.exe
  • Size 751KB
  • Sample210512-c4jpms46z2
  • SHA256 252d2ed7f7c35f65eea7a1d2a623657014252ed0c16820ecf3671cbecd1589fd
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.orienttech.com.qa

  • Port

    587

  • Password

    Op{^fLb9gN[!

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.

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8da07b81759658eaffa2565d09b23375.exe
    "C:\Users\Admin\AppData\Local\Temp\8da07b81759658eaffa2565d09b23375.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Users\Admin\AppData\Local\Temp\8da07b81759658eaffa2565d09b23375.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3912

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3912-124-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/3912-136-0x0000000005500000-0x00000000059FE000-memory.dmp

        memory/3912-133-0x0000000006260000-0x0000000006261000-memory.dmp

        memory/3912-132-0x00000000059B0000-0x00000000059B1000-memory.dmp

        memory/3912-131-0x0000000005500000-0x00000000059FE000-memory.dmp

        memory/4048-119-0x0000000007230000-0x0000000007231000-memory.dmp

        memory/4048-123-0x0000000009F00000-0x0000000009F56000-memory.dmp

        memory/4048-122-0x0000000007810000-0x00000000078A9000-memory.dmp

        memory/4048-121-0x0000000005370000-0x000000000537E000-memory.dmp

        memory/4048-120-0x0000000005190000-0x000000000568E000-memory.dmp

        memory/4048-114-0x0000000000860000-0x0000000000861000-memory.dmp

        memory/4048-118-0x0000000005160000-0x0000000005161000-memory.dmp

        memory/4048-117-0x0000000005190000-0x0000000005191000-memory.dmp

        memory/4048-116-0x0000000005690000-0x0000000005691000-memory.dmp