Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 01:03

General

  • Target

    09ec4ca4e05a633b0a8114607cc08fd062348051d17f745d483cc3646279722b.exe

  • Size

    2.5MB

  • MD5

    943b8ec27c9e3997239b317f081ec3e4

  • SHA1

    c5d9639dfbda1c3fec0f7e7ff9c27790074c0009

  • SHA256

    09ec4ca4e05a633b0a8114607cc08fd062348051d17f745d483cc3646279722b

  • SHA512

    7eaf696ca9448de6363903749ef5d3fdb396190b656e8e87f4874a2a00ad19cd5725b072e1514dd90c4ff73eea590629b4e82b5fc084233aba4c44fbde7db490

  • SSDEEP

    49152:ZP6hSrcCPT0J5Lg31+mYGnKDkTXzTnSPb:iujmmYGnKDkTzTno

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 3 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 3 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 3 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 3 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 3 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 3 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\09ec4ca4e05a633b0a8114607cc08fd062348051d17f745d483cc3646279722b.exe
    "C:\Users\Admin\AppData\Local\Temp\09ec4ca4e05a633b0a8114607cc08fd062348051d17f745d483cc3646279722b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2788-5-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2788-3-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2788-1-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB