Analysis

  • max time kernel
    294s
  • max time network
    314s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    20-10-2021 03:39

General

  • Target

    PI7-1204-Linkapac-CW-19-10.exe

  • Size

    405KB

  • MD5

    22c999f6b5f2c7d7bea5f03d0405197a

  • SHA1

    9ceb02fbab7cb667edb6dbc71c43f1f839ab0291

  • SHA256

    04d6c0b73528c0b03eb5f0df3ba4da8f3f111c38aaa721d590e1186e2b342b57

  • SHA512

    3d8503242e2fbc576c25aa2b6a727253270bd0c9b6e268febfa5c399ca6376478e383223b536013e63ad065d08e3f836dd63b2083a9d8d1e53fb8d1e6b3c83c2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vinnyinteriors.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    koxZJ@I2

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\PI7-1204-Linkapac-CW-19-10.exe
    "C:\Users\Admin\AppData\Local\Temp\PI7-1204-Linkapac-CW-19-10.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Users\Admin\AppData\Local\Temp\PI7-1204-Linkapac-CW-19-10.exe
      "C:\Users\Admin\AppData\Local\Temp\PI7-1204-Linkapac-CW-19-10.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:524

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/524-64-0x00000000004374EE-mapping.dmp

  • memory/524-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/524-68-0x0000000004BA1000-0x0000000004BA2000-memory.dmp

    Filesize

    4KB

  • memory/524-67-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

    Filesize

    4KB

  • memory/524-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/524-59-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/524-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/524-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/524-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1480-53-0x0000000001030000-0x0000000001031000-memory.dmp

    Filesize

    4KB

  • memory/1480-55-0x0000000074B91000-0x0000000074B93000-memory.dmp

    Filesize

    8KB

  • memory/1480-58-0x0000000004AC0000-0x0000000004B18000-memory.dmp

    Filesize

    352KB

  • memory/1480-57-0x0000000000540000-0x0000000000548000-memory.dmp

    Filesize

    32KB

  • memory/1480-56-0x00000000004A0000-0x00000000004A1000-memory.dmp

    Filesize

    4KB