Analysis

  • max time kernel
    529s
  • max time network
    539s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-06-2024 15:04

General

  • Target

    payload.exe

  • Size

    4.4MB

  • MD5

    f91187d775ecc8afabe3f7465adbbd02

  • SHA1

    f4afb037f36c977ea8d267dde3d88720d2c460ed

  • SHA256

    ee7e36e4f460751432305467cb11d85ff90591a59223a5d7da3a33144b02a6c4

  • SHA512

    7ccdccbe4c7cec79a9945ad99f1451a5d3d2e478e1945ffe9e6d25a849b0bc5bd7fff7298f5d7afa12a607385e09369e5dd1ed5f3991e24e57dfb59d211a89d7

  • SSDEEP

    24576:sCCxWH4DJMT9QRjQRRIGWiMPik0zdbDQjdgPGH0v4rkY2YQb+1ihA6vYnzVvmi2Z:

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payload.exe
    "C:\Users\Admin\AppData\Local\Temp\payload.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1416
    • 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:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1416-0-0x000000007471E000-0x000000007471F000-memory.dmp

    Filesize

    4KB

  • memory/1416-1-0x0000000000D70000-0x00000000011DA000-memory.dmp

    Filesize

    4.4MB

  • memory/1416-2-0x0000000006E10000-0x0000000007042000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-3-0x00000000075F0000-0x0000000007B94000-memory.dmp

    Filesize

    5.6MB

  • memory/1416-4-0x00000000070E0000-0x0000000007172000-memory.dmp

    Filesize

    584KB

  • memory/1416-10-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-8-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-24-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-6-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-5-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-48-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-28-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-26-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-22-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-20-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-18-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-16-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-14-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-12-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-52-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-68-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-66-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-64-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-62-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-60-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-58-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-56-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-54-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-50-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-46-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-44-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-42-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-40-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-38-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-36-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-35-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-32-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-30-0x0000000006E10000-0x000000000703B000-memory.dmp

    Filesize

    2.2MB

  • memory/1416-4891-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1416-4893-0x0000000005C70000-0x0000000005CBC000-memory.dmp

    Filesize

    304KB

  • memory/1416-4894-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1416-4892-0x0000000005C00000-0x0000000005C6C000-memory.dmp

    Filesize

    432KB

  • memory/1416-4895-0x0000000007310000-0x0000000007364000-memory.dmp

    Filesize

    336KB

  • memory/1416-4898-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2896-4899-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2896-4900-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2896-4901-0x00000000051C0000-0x0000000005226000-memory.dmp

    Filesize

    408KB

  • memory/2896-4902-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2896-4903-0x00000000068B0000-0x0000000006900000-memory.dmp

    Filesize

    320KB

  • memory/2896-4904-0x0000000006940000-0x000000000694A000-memory.dmp

    Filesize

    40KB

  • memory/2896-4905-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB