Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2024, 02:05

General

  • Target

    Maersk-BL-Ref0929339041333 47367282378722.scr

  • Size

    721KB

  • MD5

    3e445d904cad59a863a10f74bc98b2ad

  • SHA1

    612f9c033ed4d6ae7145cdc63cd0a8fd4790e320

  • SHA256

    e369f5e2d53c77e48bcc4bfa80301fce6480ab8e59808ddba41b7bb97ddc0823

  • SHA512

    ba55e8f16e62f253f450848e33bb9ec9ddb0b99fd18b67b7a08b04c3020ca81d28c3b3e295f4670079b70c3c127ada1e35fe7b9cba9ad1e6bea3d639b699be29

  • SSDEEP

    12288:qWET/mr9KUXJIlCTkUJdI6MRSkv+dSAXksKLKBbpht8zD9TchjeYfsVRu:qWt9JegJO6MPvMSIksj7Y39TC6Pu

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.farm-valley.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Businessvalley@2020

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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr
    "C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3260
    • C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr
      "C:\Users\Admin\AppData\Local\Temp\Maersk-BL-Ref0929339041333 47367282378722.scr"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4732

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Maersk-BL-Ref0929339041333 47367282378722.scr.log

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • memory/3260-4-0x0000000005750000-0x000000000575A000-memory.dmp

          Filesize

          40KB

        • memory/3260-15-0x00000000749D0000-0x0000000075180000-memory.dmp

          Filesize

          7.7MB

        • memory/3260-3-0x00000000057A0000-0x0000000005832000-memory.dmp

          Filesize

          584KB

        • memory/3260-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

          Filesize

          4KB

        • memory/3260-5-0x00000000749D0000-0x0000000075180000-memory.dmp

          Filesize

          7.7MB

        • memory/3260-6-0x00000000058D0000-0x00000000058F2000-memory.dmp

          Filesize

          136KB

        • memory/3260-7-0x0000000005B40000-0x0000000005B4C000-memory.dmp

          Filesize

          48KB

        • memory/3260-8-0x0000000003070000-0x0000000003080000-memory.dmp

          Filesize

          64KB

        • memory/3260-2-0x0000000005CB0000-0x0000000006254000-memory.dmp

          Filesize

          5.6MB

        • memory/3260-9-0x0000000006C20000-0x0000000006CA4000-memory.dmp

          Filesize

          528KB

        • memory/3260-10-0x0000000008340000-0x00000000083DC000-memory.dmp

          Filesize

          624KB

        • memory/3260-1-0x0000000000CC0000-0x0000000000D7A000-memory.dmp

          Filesize

          744KB

        • memory/4732-14-0x00000000749D0000-0x0000000075180000-memory.dmp

          Filesize

          7.7MB

        • memory/4732-11-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/4732-16-0x00000000749D0000-0x0000000075180000-memory.dmp

          Filesize

          7.7MB

        • memory/4732-17-0x0000000005820000-0x0000000005886000-memory.dmp

          Filesize

          408KB

        • memory/4732-18-0x0000000007020000-0x0000000007070000-memory.dmp

          Filesize

          320KB

        • memory/4732-19-0x00000000749D0000-0x0000000075180000-memory.dmp

          Filesize

          7.7MB