Analysis

  • max time kernel
    136s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:56

General

  • Target

    New Order.exe

  • Size

    801KB

  • MD5

    831d4a721603de375526e83516add339

  • SHA1

    91c8e91b3f62b251a77a081ee942ba03a98724fd

  • SHA256

    0f75f6670487368f4ba9f5cf419f8f96433a2c4176bd2d07c4a12d0c83963abb

  • SHA512

    afb4f6c226735b289619645377d269b56967be66438e60a9b9edf7637858f650db3ff0cde45f27c4ec9b092c62a142dbc3c8a565914086a93f0ee7012a61562f

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sunkyoungvina.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sun123

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\New Order.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Users\Admin\AppData\Local\Temp\New Order.exe
      "C:\Users\Admin\AppData\Local\Temp\New Order.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:832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/832-132-0x0000000000000000-mapping.dmp

  • memory/832-133-0x0000000000940000-0x00000000009A6000-memory.dmp

    Filesize

    408KB

  • memory/832-134-0x0000000000940000-0x00000000009A6000-memory.dmp

    Filesize

    408KB

  • memory/832-135-0x0000000004E50000-0x00000000053F4000-memory.dmp

    Filesize

    5.6MB

  • memory/832-136-0x0000000004B00000-0x0000000004B92000-memory.dmp

    Filesize

    584KB

  • memory/832-137-0x0000000004BA0000-0x0000000004C3C000-memory.dmp

    Filesize

    624KB

  • memory/832-138-0x0000000005960000-0x00000000059C6000-memory.dmp

    Filesize

    408KB

  • memory/832-139-0x00000000061E0000-0x0000000006230000-memory.dmp

    Filesize

    320KB

  • memory/832-140-0x0000000006430000-0x000000000643A000-memory.dmp

    Filesize

    40KB

  • memory/4744-131-0x0000000002270000-0x0000000002280000-memory.dmp

    Filesize

    64KB