Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    18-06-2024 16:58

General

  • Target

    50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe

  • Size

    754KB

  • MD5

    d6254b026f6948b21e2e432d019e7207

  • SHA1

    ef4417d75d2c73b595c0907e9dd1dd46d529dd69

  • SHA256

    50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a

  • SHA512

    4135ce960173169649d66c06e1b5f619abe7852040317b53eba0818dc6b877405bf001fb674c06c25e19061f966012b8bc3b4b3b617ea388b6578ef979583ef9

  • SSDEEP

    12288:U/wRuiQu+P5D1I539Kd2k06LGuXxT+/peL1bndieEACR5leZlN:Yauc+xD1qtZCaBeL1p7EA+er

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe
    "C:\Users\Admin\AppData\Local\Temp\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2588
    • C:\Users\Admin\AppData\Local\Temp\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe
      "C:\Users\Admin\AppData\Local\Temp\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2244-19-0x0000000074130000-0x000000007481E000-memory.dmp

    Filesize

    6.9MB

  • memory/2244-1-0x00000000011A0000-0x0000000001262000-memory.dmp

    Filesize

    776KB

  • memory/2244-2-0x0000000074130000-0x000000007481E000-memory.dmp

    Filesize

    6.9MB

  • memory/2244-3-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2244-4-0x0000000000370000-0x0000000000380000-memory.dmp

    Filesize

    64KB

  • memory/2244-5-0x0000000004A60000-0x0000000004AE4000-memory.dmp

    Filesize

    528KB

  • memory/2244-0-0x000000007413E000-0x000000007413F000-memory.dmp

    Filesize

    4KB

  • memory/2616-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2616-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2616-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2616-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2616-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2616-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2616-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2616-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB