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Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/09/2023, 06:45

General

  • Target

    SEPT FILE.exe

  • Size

    247KB

  • MD5

    52bb0ead79eb015b8914687bbd7b0823

  • SHA1

    a73cf6596915abc209331262bd2ca06b4a40b8af

  • SHA256

    8b00b5cba68174f72464c297e1eb1759fb8b4f4ff2c827fb93cf12fe04257e2e

  • SHA512

    d4c30d3bd3c8dfe535bb720de9bda8de3468be55da4a9c47d23ee0df50ce950304b716981e78aa33706dcaccc98afca1e9d9203ca93aef7666a515437c9bae80

  • SSDEEP

    1536:CYc+nHOsWsXaE8m1TOYhVYrS39Qz/CA+K8Jh6mZbVuC7i7YWyv8BRQZEfuf66P7i:xU3HhmROgeWQQsuf6/XSIPo7s2WXP3

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.wecaresvc.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    u9367gk8qc

Extracted

Family

agenttesla

Credentials

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
  • Adds Run key to start application 2 TTPs 1 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
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SEPT FILE.exe
    "C:\Users\Admin\AppData\Local\Temp\SEPT FILE.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    7.7MB

  • memory/224-1-0x00000000009A0000-0x00000000009E4000-memory.dmp

    Filesize

    272KB

  • memory/224-2-0x0000000005A40000-0x0000000005FE4000-memory.dmp

    Filesize

    5.6MB

  • memory/224-3-0x0000000005480000-0x0000000005490000-memory.dmp

    Filesize

    64KB

  • memory/224-4-0x0000000005590000-0x00000000055F6000-memory.dmp

    Filesize

    408KB

  • memory/224-6-0x0000000006CF0000-0x0000000006D40000-memory.dmp

    Filesize

    320KB

  • memory/224-7-0x0000000006DE0000-0x0000000006E7C000-memory.dmp

    Filesize

    624KB

  • memory/224-8-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/224-9-0x0000000005480000-0x0000000005490000-memory.dmp

    Filesize

    64KB

  • memory/224-10-0x0000000006F20000-0x0000000006FB2000-memory.dmp

    Filesize

    584KB

  • memory/224-11-0x0000000006EB0000-0x0000000006EBA000-memory.dmp

    Filesize

    40KB