Analysis

  • max time kernel
    136s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    25-01-2021 16:03

General

  • Target

    file.exe

  • Size

    888KB

  • MD5

    cc13fe68694c348411f4ca2824600638

  • SHA1

    46312f474aa34a77c3a68307f1ab5cdd2c6a7d00

  • SHA256

    23d1aeac6fe7d135fbb00e8316eb078183138b74f4adf33497a8fa8ae685e9b5

  • SHA512

    a4f31c329457cb6255fd8c126eb4d256274e395246ea68bba8689f398e78ac9b57e7032d99c0942023c3e4670d3d4650d69346d6ae1d12006172895512a04110

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.arredobagno.com.ar
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Jacuzzi6698

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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 WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:384
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1348

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/384-2-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/384-3-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/384-5-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

    Filesize

    4KB

  • memory/384-6-0x0000000000620000-0x000000000062E000-memory.dmp

    Filesize

    56KB

  • memory/384-7-0x00000000046D0000-0x000000000475C000-memory.dmp

    Filesize

    560KB

  • memory/1348-8-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1348-9-0x000000000043762E-mapping.dmp

  • memory/1348-10-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/1348-11-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1348-13-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

    Filesize

    4KB

  • memory/1348-14-0x0000000001FC1000-0x0000000001FC2000-memory.dmp

    Filesize

    4KB