Analysis

  • max time kernel
    132s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 10:53

General

  • Target

    PDF FILE.exe

  • Size

    799KB

  • MD5

    1277b04db5572984362d8bbcf44ecd30

  • SHA1

    7102aa04317c7cf6928629d37413b92a9b09961c

  • SHA256

    af128a2f0cd31637c0ecc78b9c8b8be7017db9b34b5adfdafaea83c5eeff8eeb

  • SHA512

    50916e4aab4d7e2fdee4b1a11360e3321033ea9ab1b38a8c75b26e670a44bd31be5b4def820401547f918f397423ca8ae57f889ab83340aa7bc7e0213a87b9a9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.wingsofmusic.com.au
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    smithsteve222

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PDF FILE.exe
    "C:\Users\Admin\AppData\Local\Temp\PDF FILE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Users\Admin\AppData\Local\Temp\PDF FILE.exe
      "C:\Users\Admin\AppData\Local\Temp\PDF FILE.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2272

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2272-130-0x0000000000000000-mapping.dmp

  • memory/2272-133-0x0000000000AA0000-0x0000000000AFA000-memory.dmp

    Filesize

    360KB

  • memory/2272-132-0x0000000000AA0000-0x0000000000AFA000-memory.dmp

    Filesize

    360KB

  • memory/2272-134-0x0000000004F10000-0x00000000054B4000-memory.dmp

    Filesize

    5.6MB

  • memory/2272-135-0x0000000004B80000-0x0000000004C12000-memory.dmp

    Filesize

    584KB

  • memory/2272-136-0x0000000004E10000-0x0000000004EAC000-memory.dmp

    Filesize

    624KB

  • memory/2272-137-0x0000000005A70000-0x0000000005AD6000-memory.dmp

    Filesize

    408KB

  • memory/2272-138-0x0000000005E90000-0x0000000005EE0000-memory.dmp

    Filesize

    320KB

  • memory/2272-139-0x00000000001F0000-0x00000000001FA000-memory.dmp

    Filesize

    40KB

  • memory/3300-131-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB