Analysis

  • max time kernel
    137s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:02

General

  • Target

    PO 82BX2020.exe

  • Size

    390KB

  • MD5

    11ed47461b614a465f80e3a1314e857f

  • SHA1

    c49542000b139a9569793c5e820f6aa553287fbd

  • SHA256

    269faa945d06cde0c6b3f2114f6575e1003f66fcb1426b2b78f2991568e082ef

  • SHA512

    37aea23dc53ddf9afc3b5f1ab7b081b22fbe16125acd6fe14a44aec1e5582354ab297b42142c3b897304b33519efb69baf6323605999d16285d0770b7d248834

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ALIbaba123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO 82BX2020.exe
    "C:\Users\Admin\AppData\Local\Temp\PO 82BX2020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Users\Admin\AppData\Local\Temp\PO 82BX2020.exe
      "C:\Users\Admin\AppData\Local\Temp\PO 82BX2020.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2028

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1708-54-0x0000000001120000-0x0000000001186000-memory.dmp

    Filesize

    408KB

  • memory/1708-55-0x0000000075A61000-0x0000000075A63000-memory.dmp

    Filesize

    8KB

  • memory/1708-56-0x00000000003D0000-0x00000000003E4000-memory.dmp

    Filesize

    80KB

  • memory/1708-57-0x0000000000610000-0x000000000061A000-memory.dmp

    Filesize

    40KB

  • memory/2028-58-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2028-59-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2028-61-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2028-62-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2028-63-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2028-64-0x0000000000446DEE-mapping.dmp

  • memory/2028-66-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2028-68-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB