Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 13:42

General

  • Target

    e3ffaae53b7127d22d6ca2fd83b126136437c63d422127cd309963e0c6f8e71a.exe

  • Size

    1.2MB

  • MD5

    944a0048e334fd1cf24f880bf0d17702

  • SHA1

    9f5f69ba1f5c449e073a83fa0d40ea79b23cb839

  • SHA256

    e3ffaae53b7127d22d6ca2fd83b126136437c63d422127cd309963e0c6f8e71a

  • SHA512

    3f6bbbefad01b129c3844ad0d83ce56198e2c31c3167b4baad0a2c35e2ad2beeec03d49c7cac54ba9dd56b9993994e7b98b028bac997b77c98e7f6044999fa32

  • SSDEEP

    12288:RQA22qBJWPLprpPglhopSu/6jkq/91XvWeonUAvLkr:yd1UthuWp5cl1Zee0UAvLU

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.tekserendustriyel.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    chuzy2024@

Signatures

  • AgentTesla

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

  • 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e3ffaae53b7127d22d6ca2fd83b126136437c63d422127cd309963e0c6f8e71a.exe
    "C:\Users\Admin\AppData\Local\Temp\e3ffaae53b7127d22d6ca2fd83b126136437c63d422127cd309963e0c6f8e71a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4172
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1600
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
      2⤵
        PID:1612

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1600-10-0x0000000006100000-0x0000000006150000-memory.dmp
      Filesize

      320KB

    • memory/1600-14-0x0000000075130000-0x00000000758E0000-memory.dmp
      Filesize

      7.7MB

    • memory/1600-13-0x000000007513E000-0x000000007513F000-memory.dmp
      Filesize

      4KB

    • memory/1600-12-0x0000000006380000-0x000000000638A000-memory.dmp
      Filesize

      40KB

    • memory/1600-4-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1600-5-0x000000007513E000-0x000000007513F000-memory.dmp
      Filesize

      4KB

    • memory/1600-6-0x0000000004FD0000-0x0000000005574000-memory.dmp
      Filesize

      5.6MB

    • memory/1600-7-0x0000000004B90000-0x0000000004BF6000-memory.dmp
      Filesize

      408KB

    • memory/1600-8-0x0000000075130000-0x00000000758E0000-memory.dmp
      Filesize

      7.7MB

    • memory/1600-11-0x00000000061F0000-0x0000000006282000-memory.dmp
      Filesize

      584KB

    • memory/4172-3-0x00007FF9F8C00000-0x00007FF9F96C1000-memory.dmp
      Filesize

      10.8MB

    • memory/4172-9-0x00007FF9F8C00000-0x00007FF9F96C1000-memory.dmp
      Filesize

      10.8MB

    • memory/4172-0-0x000001F4F7CF0000-0x000001F4F7CF8000-memory.dmp
      Filesize

      32KB

    • memory/4172-2-0x000001F4F80D0000-0x000001F4F8164000-memory.dmp
      Filesize

      592KB

    • memory/4172-1-0x00007FF9F8C03000-0x00007FF9F8C05000-memory.dmp
      Filesize

      8KB