Analysis

  • max time kernel
    143s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    17-06-2024 16:58

General

  • Target

    b8ffc0cd33f3cea2ec9f4c2253e84b51_JaffaCakes118.exe

  • Size

    386KB

  • MD5

    b8ffc0cd33f3cea2ec9f4c2253e84b51

  • SHA1

    7d5d212c0c14c8bf9059699aa40278e337976d3d

  • SHA256

    08bc4182b069e340070eeba2bafd0d13839b48612ea37cd8460caf1e93a497f3

  • SHA512

    3ca4c33b5be930a42d2f897bf34efac6fb920ce17038b1094bfed21192ca3095f8aaa19ecf4486cc9b8a127713dc83ba701eda825faded50dd8865d6c008954f

  • SSDEEP

    12288:3/ekJZeYxu+qSlLstDpzYqLJ1PzUJPxkGYvdd05ED:vBJIYPLsMxkGYv0eD

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1322106191:AAGoaj8IN2EVq04d4Li203CgTdZENcKYgV4/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8ffc0cd33f3cea2ec9f4c2253e84b51_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b8ffc0cd33f3cea2ec9f4c2253e84b51_JaffaCakes118.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:3032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3032-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

    Filesize

    4KB

  • memory/3032-1-0x0000000000850000-0x00000000008B6000-memory.dmp

    Filesize

    408KB

  • memory/3032-2-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB

  • memory/3032-3-0x00000000742AE000-0x00000000742AF000-memory.dmp

    Filesize

    4KB

  • memory/3032-4-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB

  • memory/3032-5-0x00000000004D0000-0x00000000004FE000-memory.dmp

    Filesize

    184KB

  • memory/3032-6-0x0000000000670000-0x00000000006AC000-memory.dmp

    Filesize

    240KB

  • memory/3032-7-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB

  • memory/3032-8-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB