Analysis

  • max time kernel
    120s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    17-06-2024 17:46

General

  • Target

    Zaplata,jpg.exe

  • Size

    561KB

  • MD5

    6f9e931132ed53e111a1d022395a5b7d

  • SHA1

    aba94805466d7a2ae0f5be485d3f9930430e1f4b

  • SHA256

    c5425d62c01551e1c243ed453bf14d0b51ad7e890d59ef469c5b9418bb6361a0

  • SHA512

    45c40fd55594f99bd120f5f150f9dca8e59147f8407d5270464d122a7aa7385d42dcfde721fa931ad7b9cc32ce076e3e037d14bfda7e8149375dfa8b1d1f0c0b

  • SSDEEP

    12288:OuFFZ6BKGu3ZAJ7ECGVEJIhlu4gvSD3tYE/B:76BKGW+EV+/4bYE/

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe
    "C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe
      "C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2688-11-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2688-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2688-15-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2688-17-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2688-19-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2688-23-0x0000000074550000-0x0000000074C3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2688-22-0x0000000074550000-0x0000000074C3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2688-21-0x0000000074550000-0x0000000074C3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2688-10-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2688-9-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2688-12-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2968-6-0x0000000000610000-0x000000000061C000-memory.dmp

    Filesize

    48KB

  • memory/2968-3-0x00000000005F0000-0x0000000000604000-memory.dmp

    Filesize

    80KB

  • memory/2968-4-0x000000007455E000-0x000000007455F000-memory.dmp

    Filesize

    4KB

  • memory/2968-2-0x0000000074550000-0x0000000074C3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2968-0-0x000000007455E000-0x000000007455F000-memory.dmp

    Filesize

    4KB

  • memory/2968-8-0x0000000000BE0000-0x0000000000C12000-memory.dmp

    Filesize

    200KB

  • memory/2968-7-0x0000000006190000-0x0000000006210000-memory.dmp

    Filesize

    512KB

  • memory/2968-20-0x0000000074550000-0x0000000074C3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2968-1-0x0000000001160000-0x00000000011F2000-memory.dmp

    Filesize

    584KB

  • memory/2968-5-0x0000000074550000-0x0000000074C3E000-memory.dmp

    Filesize

    6.9MB