Analysis

  • max time kernel
    31s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    30/05/2023, 06:43

General

  • Target

    IMG_7001_8072pdf.exe

  • Size

    292KB

  • MD5

    50b81721effc6c7e08a3c734a6d526cf

  • SHA1

    7728a4eaeaf058bd0df79a63b1137a8a428c7e20

  • SHA256

    f4a0b96ac60450021cf3dd030d05b3a8a9f2a7c586b376d09f4988938093773f

  • SHA512

    a46026a676c2cc9e3a51d799ecca815ab09c01d89e7618323cb3dee0c3bb60b1830873b356254babe92f24d8ae0de5810f284d0307c4bb46f4241c508cc988c4

  • SSDEEP

    6144:dDxhk+LJwJxtKruju+JJJL8DrGb4LZ8qzT+JTl9:drFLyxtwSxJv8DfZ8qzTO

Malware Config

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
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IMG_7001_8072pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG_7001_8072pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Users\Admin\AppData\Local\Temp\IMG_7001_8072pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\IMG_7001_8072pdf.exe"
      2⤵
        PID:1832
      • C:\Users\Admin\AppData\Local\Temp\IMG_7001_8072pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\IMG_7001_8072pdf.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1188

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1188-60-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1188-68-0x0000000004D30000-0x0000000004D70000-memory.dmp

      Filesize

      256KB

    • memory/1188-86-0x0000000004D30000-0x0000000004D70000-memory.dmp

      Filesize

      256KB

    • memory/1188-63-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1188-58-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1188-59-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1188-62-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1188-61-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1188-65-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1188-67-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1288-54-0x0000000000840000-0x0000000000890000-memory.dmp

      Filesize

      320KB

    • memory/1288-55-0x00000000004C0000-0x0000000000506000-memory.dmp

      Filesize

      280KB

    • memory/1288-57-0x00000000003A0000-0x00000000003AA000-memory.dmp

      Filesize

      40KB

    • memory/1288-56-0x00000000048B0000-0x00000000048F0000-memory.dmp

      Filesize

      256KB