Analysis

  • max time kernel
    141s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/10/2024, 01:07

General

  • Target

    998eba3fb3d9cadc3f523a0b24fceb33b20120105b35b3ff77f4dce52a91b5b1.exe

  • Size

    812KB

  • MD5

    834023d28f4caa6645e75e8c300a59f8

  • SHA1

    d5a97151d686820db590f9e33ebb549a6a42b4e1

  • SHA256

    998eba3fb3d9cadc3f523a0b24fceb33b20120105b35b3ff77f4dce52a91b5b1

  • SHA512

    872f28d44027f382d12cda24f3d214b648e68f179d41299ccce14462064cc500fe6d9ed3aea77cd01d36e3209d170372b7179139f2fc24c0da6b44a175d1de7e

  • SSDEEP

    12288:KG3yuZG8+De1kIse8LRWjrZCollIoNE8kbZu3MvK541rS:KG3yuZGVteKRyjl6iktCMvy41rS

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.aminhacorretora.com.br
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    _yA=,M5*J?KH

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\998eba3fb3d9cadc3f523a0b24fceb33b20120105b35b3ff77f4dce52a91b5b1.exe
    "C:\Users\Admin\AppData\Local\Temp\998eba3fb3d9cadc3f523a0b24fceb33b20120105b35b3ff77f4dce52a91b5b1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4532
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:812

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/812-13-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/812-30-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/812-20-0x00000000066C0000-0x0000000006882000-memory.dmp

          Filesize

          1.8MB

        • memory/812-19-0x00000000064A0000-0x00000000064F0000-memory.dmp

          Filesize

          320KB

        • memory/812-18-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/812-17-0x00000000050A0000-0x0000000005106000-memory.dmp

          Filesize

          408KB

        • memory/812-16-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/4532-5-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/4532-15-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/4532-9-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

          Filesize

          4KB

        • memory/4532-10-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/4532-11-0x0000000006AA0000-0x0000000006ABA000-memory.dmp

          Filesize

          104KB

        • memory/4532-12-0x0000000009090000-0x0000000009096000-memory.dmp

          Filesize

          24KB

        • memory/4532-7-0x0000000005020000-0x000000000502A000-memory.dmp

          Filesize

          40KB

        • memory/4532-8-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/4532-6-0x0000000004EB0000-0x0000000004F4E000-memory.dmp

          Filesize

          632KB

        • memory/4532-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

          Filesize

          4KB

        • memory/4532-4-0x0000000005440000-0x00000000059E4000-memory.dmp

          Filesize

          5.6MB

        • memory/4532-3-0x0000000004DF0000-0x0000000004E82000-memory.dmp

          Filesize

          584KB

        • memory/4532-2-0x0000000004D50000-0x0000000004DEC000-memory.dmp

          Filesize

          624KB

        • memory/4532-1-0x00000000007A0000-0x0000000000872000-memory.dmp

          Filesize

          840KB