Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 01:21

General

  • Target

    42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

  • Size

    990KB

  • MD5

    9da75658a4549586e5b542d7e6aac31a

  • SHA1

    b799504424a4c991d96c84d94fb6ec956a33d6a7

  • SHA256

    42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182

  • SHA512

    53825fb9f0c6da755e7e2abaf03d66793f7ab95c12f3efec55863575dc505f11f05f44badddbbcba8988b2fb0ee5dbb99b379cf07d6fa258327b295f110dcb54

  • SSDEEP

    24576:S0220C8uECnmUShKoWQST75l0ewP9R4sW6uAgzc3sO1NTSLn:a4sP8zc3sO7SLn

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lubentech.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    hamid@1349

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
    "C:\Users\Admin\AppData\Local\Temp\42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe'
      2⤵
      • Drops startup file
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:856
    • C:\Users\Admin\AppData\Local\Temp\42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe
      "C:\Users\Admin\AppData\Local\Temp\42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182.exe

    Filesize

    990KB

    MD5

    9da75658a4549586e5b542d7e6aac31a

    SHA1

    b799504424a4c991d96c84d94fb6ec956a33d6a7

    SHA256

    42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182

    SHA512

    53825fb9f0c6da755e7e2abaf03d66793f7ab95c12f3efec55863575dc505f11f05f44badddbbcba8988b2fb0ee5dbb99b379cf07d6fa258327b295f110dcb54

  • memory/856-7-0x0000000070430000-0x00000000709DB000-memory.dmp

    Filesize

    5.7MB

  • memory/856-26-0x0000000070430000-0x00000000709DB000-memory.dmp

    Filesize

    5.7MB

  • memory/856-5-0x0000000070431000-0x0000000070432000-memory.dmp

    Filesize

    4KB

  • memory/856-6-0x0000000070430000-0x00000000709DB000-memory.dmp

    Filesize

    5.7MB

  • memory/856-9-0x0000000070430000-0x00000000709DB000-memory.dmp

    Filesize

    5.7MB

  • memory/856-8-0x0000000070430000-0x00000000709DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2324-0-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

    Filesize

    4KB

  • memory/2324-10-0x0000000004B10000-0x0000000004B50000-memory.dmp

    Filesize

    256KB

  • memory/2324-11-0x0000000000860000-0x0000000000868000-memory.dmp

    Filesize

    32KB

  • memory/2324-2-0x0000000000AE0000-0x0000000000B52000-memory.dmp

    Filesize

    456KB

  • memory/2324-1-0x0000000000EF0000-0x0000000000FEE000-memory.dmp

    Filesize

    1016KB

  • memory/2752-19-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2752-22-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2752-15-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2752-16-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2752-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2752-14-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2752-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2752-24-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB