Analysis

  • max time kernel
    138s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-04-2024 01:16

General

  • Target

    c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe

  • Size

    993KB

  • MD5

    55853a89a9d4048b5438189c4df76c7a

  • SHA1

    18998068b836d0f5b1c0a137b8344857b0a27036

  • SHA256

    c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98

  • SHA512

    08016375015d470d8a943188c61c51654d5efbfc4a48a9b9da174ccfa7f0b60bd541d0dbea3ad239870d7cc0744e2a6d186317d9d33e1301ba05e3f528e76280

  • SSDEEP

    24576:+wC9Dwa+7y9s21o5bs/7oG43YjImoL6IwMe2JK:WSRs1oNsBjIlLI

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.fashionfiberbd.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    aziz**8060

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe
    "C:\Users\Admin\AppData\Local\Temp\c3c4562cb71bcb338f1fd481baab2367d485c84ddeebf0e41a1ac97fb0104e98.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4256
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1836
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
      2⤵
        PID:4892

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1836-8-0x0000000005990000-0x00000000059F6000-memory.dmp
      Filesize

      408KB

    • memory/1836-10-0x00000000071F0000-0x0000000007240000-memory.dmp
      Filesize

      320KB

    • memory/1836-15-0x0000000007290000-0x000000000729A000-memory.dmp
      Filesize

      40KB

    • memory/1836-14-0x0000000007410000-0x00000000074A2000-memory.dmp
      Filesize

      584KB

    • memory/1836-13-0x0000000005850000-0x0000000005860000-memory.dmp
      Filesize

      64KB

    • memory/1836-5-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/1836-12-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/1836-6-0x0000000005E40000-0x00000000063E4000-memory.dmp
      Filesize

      5.6MB

    • memory/1836-4-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/1836-11-0x0000000007370000-0x000000000740C000-memory.dmp
      Filesize

      624KB

    • memory/1836-7-0x0000000005850000-0x0000000005860000-memory.dmp
      Filesize

      64KB

    • memory/4256-9-0x00007FFA29330000-0x00007FFA29DF1000-memory.dmp
      Filesize

      10.8MB

    • memory/4256-1-0x00007FFA29330000-0x00007FFA29DF1000-memory.dmp
      Filesize

      10.8MB

    • memory/4256-0-0x0000021D89D40000-0x0000021D89DA8000-memory.dmp
      Filesize

      416KB

    • memory/4256-3-0x0000021D8B940000-0x0000021D8B9D8000-memory.dmp
      Filesize

      608KB

    • memory/4256-2-0x0000021DA44D0000-0x0000021DA44E0000-memory.dmp
      Filesize

      64KB