Analysis

  • max time kernel
    84s
  • max time network
    62s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    13/07/2020, 19:14

General

  • Target

    SecuriteInfo.com.CAP_HookExKeylogger.27527.31730.exe

  • Size

    743KB

  • MD5

    f015a07129c6eddf53e821a879199743

  • SHA1

    62e7e285b340a4dfde6803a18978cd532bf25603

  • SHA256

    3a55c81d07416737a006fa2158d5a3398b862c8bcc80d6ff96bd1acf07bfed87

  • SHA512

    f673df0d6294727e51953ed710808ed78de5c8640c064cf671b74d871bf688a9f84f7a78f0d6ea3dc95b1e0926fac630c0676ef9f351714f73fe294f61157629

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.skibokshotell.no/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    u{psFslG@7Ly

  • Protocol:
    ftp
  • Host:
    ftp://ftp.skibokshotell.no/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    u{psFslG@7Ly

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Drops file in Drivers directory 1 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.CAP_HookExKeylogger.27527.31730.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.CAP_HookExKeylogger.27527.31730.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.CAP_HookExKeylogger.27527.31730.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1476

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1476-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1476-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1476-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB