Analysis

  • max time kernel
    67s
  • max time network
    55s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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\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:2232
    • 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:2092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Zaplata,jpg.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2092-13-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2092-22-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2092-21-0x0000000006FE0000-0x00000000071A2000-memory.dmp

    Filesize

    1.8MB

  • memory/2092-20-0x0000000006C90000-0x0000000006CE0000-memory.dmp

    Filesize

    320KB

  • memory/2092-19-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2092-18-0x00000000052C0000-0x0000000005326000-memory.dmp

    Filesize

    408KB

  • memory/2092-17-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2232-5-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2232-7-0x000000007496E000-0x000000007496F000-memory.dmp

    Filesize

    4KB

  • memory/2232-10-0x0000000008670000-0x00000000086F0000-memory.dmp

    Filesize

    512KB

  • memory/2232-11-0x00000000087A0000-0x000000000883C000-memory.dmp

    Filesize

    624KB

  • memory/2232-12-0x0000000008A40000-0x0000000008A72000-memory.dmp

    Filesize

    200KB

  • memory/2232-8-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2232-16-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2232-9-0x0000000005A60000-0x0000000005A6C000-memory.dmp

    Filesize

    48KB

  • memory/2232-6-0x0000000005840000-0x0000000005854000-memory.dmp

    Filesize

    80KB

  • memory/2232-0-0x000000007496E000-0x000000007496F000-memory.dmp

    Filesize

    4KB

  • memory/2232-4-0x0000000005690000-0x000000000569A000-memory.dmp

    Filesize

    40KB

  • memory/2232-3-0x0000000005710000-0x00000000057A2000-memory.dmp

    Filesize

    584KB

  • memory/2232-2-0x0000000005CC0000-0x0000000006264000-memory.dmp

    Filesize

    5.6MB

  • memory/2232-1-0x0000000000BF0000-0x0000000000C82000-memory.dmp

    Filesize

    584KB