Analysis

  • max time kernel
    135s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    20-04-2021 05:41

General

  • Target

    Bank Details.exe

  • Size

    983KB

  • MD5

    e6fccd33c9b592039b1b9e68c75c40ed

  • SHA1

    dfa11bca779649b45aade346a9115dbae8205274

  • SHA256

    16371a4c00dcbafa63e93f577306b41caa10d8a567678a7bb3ed54ae1b4cd993

  • SHA512

    281d5a763fa808ae1a14d8017190a6b734fc825df92d0d23b2c200e833e59bde48f685da1c4c27d7224ac334e836d1746f3c7c3b9166de5d1bc3e3ddd483271d

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lallyautomobiles.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Welcome@2021

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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\Bank Details.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank Details.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Users\Admin\AppData\Local\Temp\Bank Details.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1352

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/540-59-0x0000000000BC0000-0x0000000000BC1000-memory.dmp
    Filesize

    4KB

  • memory/540-61-0x0000000007180000-0x0000000007181000-memory.dmp
    Filesize

    4KB

  • memory/540-62-0x0000000000830000-0x0000000000835000-memory.dmp
    Filesize

    20KB

  • memory/540-63-0x000000000A300000-0x000000000A3A5000-memory.dmp
    Filesize

    660KB

  • memory/540-64-0x000000000A3B0000-0x000000000A414000-memory.dmp
    Filesize

    400KB

  • memory/1352-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1352-66-0x000000000043762E-mapping.dmp
  • memory/1352-67-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1352-69-0x0000000004A80000-0x0000000004A81000-memory.dmp
    Filesize

    4KB

  • memory/1352-70-0x0000000004A81000-0x0000000004A82000-memory.dmp
    Filesize

    4KB