Analysis

  • max time kernel
    140s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 01:52

General

  • Target

    56aced86c66768a2502d6dc0b3b1a6a7fa7243766b043b9be753394d3f9b6297.exe

  • Size

    359KB

  • MD5

    b5199d91ec2479fe838b5cbeefc9e69f

  • SHA1

    c6903abbb7ad9374ec310b6d47247b8698a08932

  • SHA256

    56aced86c66768a2502d6dc0b3b1a6a7fa7243766b043b9be753394d3f9b6297

  • SHA512

    49b80182d5c6be34e8614dce00d0afe0679d6b17f39611b509f88eb356fa38e978f7c38af611133f3344eb3e6398fef0f54cb2dc0c7f190c3d2b7c62fddf0741

  • SSDEEP

    6144:NiRG6uyFLqA/7oIZ08U3CpI3IlnhQHsPi/Y3X1/M/7v3w6uusm:f67LqI90GI3IlKQi08v3w

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.jarnesway.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Blocknation07

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56aced86c66768a2502d6dc0b3b1a6a7fa7243766b043b9be753394d3f9b6297.exe
    "C:\Users\Admin\AppData\Local\Temp\56aced86c66768a2502d6dc0b3b1a6a7fa7243766b043b9be753394d3f9b6297.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\AppData\Local\Temp\56aced86c66768a2502d6dc0b3b1a6a7fa7243766b043b9be753394d3f9b6297.exe
      "C:\Users\Admin\AppData\Local\Temp\56aced86c66768a2502d6dc0b3b1a6a7fa7243766b043b9be753394d3f9b6297.exe"
      2⤵
        PID:1472
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 80
          3⤵
          • Program crash
          PID:1388
      • C:\Users\Admin\AppData\Local\Temp\56aced86c66768a2502d6dc0b3b1a6a7fa7243766b043b9be753394d3f9b6297.exe
        "C:\Users\Admin\AppData\Local\Temp\56aced86c66768a2502d6dc0b3b1a6a7fa7243766b043b9be753394d3f9b6297.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:5060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1472 -ip 1472
      1⤵
        PID:3116

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2576-0-0x000000007440E000-0x000000007440F000-memory.dmp

        Filesize

        4KB

      • memory/2576-1-0x0000000000ED0000-0x0000000000F30000-memory.dmp

        Filesize

        384KB

      • memory/2576-3-0x0000000074400000-0x0000000074BB0000-memory.dmp

        Filesize

        7.7MB

      • memory/5060-4-0x0000000000400000-0x0000000000444000-memory.dmp

        Filesize

        272KB

      • memory/5060-5-0x0000000074400000-0x0000000074BB0000-memory.dmp

        Filesize

        7.7MB

      • memory/5060-6-0x0000000005B90000-0x0000000006134000-memory.dmp

        Filesize

        5.6MB

      • memory/5060-7-0x0000000005530000-0x0000000005596000-memory.dmp

        Filesize

        408KB

      • memory/5060-8-0x0000000074400000-0x0000000074BB0000-memory.dmp

        Filesize

        7.7MB

      • memory/5060-9-0x0000000006DA0000-0x0000000006E32000-memory.dmp

        Filesize

        584KB

      • memory/5060-10-0x0000000008F80000-0x0000000008FD0000-memory.dmp

        Filesize

        320KB

      • memory/5060-11-0x0000000009070000-0x000000000910C000-memory.dmp

        Filesize

        624KB

      • memory/5060-12-0x0000000008F30000-0x0000000008F3A000-memory.dmp

        Filesize

        40KB

      • memory/5060-13-0x0000000074400000-0x0000000074BB0000-memory.dmp

        Filesize

        7.7MB