Analysis

  • max time kernel
    46s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    18-05-2023 01:08

General

  • Target

    8bf173aff4199d406af58097f9a02434.exe

  • Size

    727KB

  • MD5

    8bf173aff4199d406af58097f9a02434

  • SHA1

    95bf3e1a2ba4c7b7992e4aa7e3291fca187b50a8

  • SHA256

    ed9248192c85ed4a3053e0c5bf1763cb1e39ed9514122a29542e439461c89f9b

  • SHA512

    ff3436ff08dd861b8868f996e548337ef5b644fe3e2dbb007e925fda6f26740382c81e01d19ba7dc8387ed594a3c0bf408f8e535e0874a4783fed85fa9a16b65

  • SSDEEP

    12288:vf1Z6SljSn+1fyjVsjQbM+AqVX5zspuvwQ:n1Z5PfyjG8I+PzYKwQ

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 1 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\8bf173aff4199d406af58097f9a02434.exe
    "C:\Users\Admin\AppData\Local\Temp\8bf173aff4199d406af58097f9a02434.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\8bf173aff4199d406af58097f9a02434.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1196

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1196-67-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1196-60-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1196-88-0x0000000004E20000-0x0000000004E60000-memory.dmp

    Filesize

    256KB

  • memory/1196-70-0x0000000004E20000-0x0000000004E60000-memory.dmp

    Filesize

    256KB

  • memory/1196-62-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1196-69-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1196-65-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1196-61-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1196-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1196-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1236-58-0x0000000004CE0000-0x0000000004D5E000-memory.dmp

    Filesize

    504KB

  • memory/1236-55-0x0000000004DF0000-0x0000000004E30000-memory.dmp

    Filesize

    256KB

  • memory/1236-54-0x0000000001210000-0x00000000012CC000-memory.dmp

    Filesize

    752KB

  • memory/1236-59-0x0000000000AB0000-0x0000000000AE0000-memory.dmp

    Filesize

    192KB

  • memory/1236-57-0x0000000004DF0000-0x0000000004E30000-memory.dmp

    Filesize

    256KB

  • memory/1236-56-0x0000000000370000-0x0000000000384000-memory.dmp

    Filesize

    80KB