Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 14:55

General

  • Target

    bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

  • Size

    655KB

  • MD5

    f02a932f414838b6ff71b051e3f976ff

  • SHA1

    5ffd3af5fac6b4049d02bb7d6d0c1a3b187edfc6

  • SHA256

    bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d

  • SHA512

    268a6c8a64199df170bc64e7fd7939108847721fa2c9cfd55304bd4fecce1109161b09048f167e9841362a0090051dc2cad08cd3656df7ae79376523fead85e3

  • SSDEEP

    12288:KgYzi8LkpEaEZhq2MJT4yKg41Kbh/V0b8HhlqJcK/C+XboT9Z6i0V7szA4:KR2jERhqNkyTAK9EMm/C+XboT9ZAx

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 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
    "C:\Users\Admin\AppData\Local\Temp\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2420
    • 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\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2308
    • C:\Users\Admin\AppData\Local\Temp\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
      "C:\Users\Admin\AppData\Local\Temp\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1388-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1388-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1388-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1388-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1388-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1388-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1388-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1388-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2420-1-0x0000000001150000-0x00000000011FA000-memory.dmp

    Filesize

    680KB

  • memory/2420-0-0x00000000742EE000-0x00000000742EF000-memory.dmp

    Filesize

    4KB

  • memory/2420-5-0x0000000004F70000-0x0000000004FF2000-memory.dmp

    Filesize

    520KB

  • memory/2420-4-0x0000000000310000-0x0000000000320000-memory.dmp

    Filesize

    64KB

  • memory/2420-3-0x0000000000840000-0x000000000085A000-memory.dmp

    Filesize

    104KB

  • memory/2420-2-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2420-17-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB