Analysis

  • max time kernel
    207s
  • max time network
    239s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2023 02:09

General

  • Target

    dc9c8a93ad12756aab236a00ef6ee30c1e17a7a1e85c586453c1745dd33d9106_JC.exe

  • Size

    242KB

  • MD5

    74465b07b18cdbd8457f5f24b495ca16

  • SHA1

    2181b33d710e8fc0882ae2ecacd01142b8d85664

  • SHA256

    dc9c8a93ad12756aab236a00ef6ee30c1e17a7a1e85c586453c1745dd33d9106

  • SHA512

    d091d92aa8b26a5a494372cf3df9947b8e688fbb1ea1e65828891851b4dd8ac3e18aa89da6a212757ce82290f5f1814ea8cc0b3978126484b004fe8929e2f6f8

  • SSDEEP

    3072:TUctV8f+j9Mz9BH1K47BbJ0xrF4X7ckgWEE:QhfF71K47BbJGur/

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1151584869856587856/TSfqJPinoKJMQfdSxeC_i8_eyVJpSAyIfR01PmPrgyaBM0m4b-AMeuxrfwVpgEcqFcZx

Signatures

  • AgentTesla

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc9c8a93ad12756aab236a00ef6ee30c1e17a7a1e85c586453c1745dd33d9106_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\dc9c8a93ad12756aab236a00ef6ee30c1e17a7a1e85c586453c1745dd33d9106_JC.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • outlook_office_path
    • outlook_win_path
    PID:224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/224-0-0x00000000001C0000-0x0000000000202000-memory.dmp

    Filesize

    264KB

  • memory/224-1-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/224-2-0x00000000050B0000-0x0000000005654000-memory.dmp

    Filesize

    5.6MB

  • memory/224-3-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/224-4-0x0000000004D40000-0x0000000004D50000-memory.dmp

    Filesize

    64KB

  • memory/224-5-0x0000000004D50000-0x0000000004DB6000-memory.dmp

    Filesize

    408KB

  • memory/224-6-0x0000000004D40000-0x0000000004D50000-memory.dmp

    Filesize

    64KB

  • memory/224-7-0x00000000063D0000-0x0000000006420000-memory.dmp

    Filesize

    320KB

  • memory/224-8-0x00000000064C0000-0x0000000006552000-memory.dmp

    Filesize

    584KB

  • memory/224-9-0x0000000006650000-0x000000000665A000-memory.dmp

    Filesize

    40KB