Analysis

  • max time kernel
    95s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 02:04

General

  • Target

    b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe

  • Size

    635KB

  • MD5

    a25d570c2f9692f49d7a94ce04a48eda

  • SHA1

    a45b7681227eff915cd1c39e52b89efdea195ccc

  • SHA256

    b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab

  • SHA512

    cbde93cc02526ea9ef749ee66756a9254a34321c1c35ae8fcd1e190aac5e0519a4f890bf7160c4fa8290743dacce832b8bdc0c8c61026c1b08f212f1fccde91d

  • SSDEEP

    12288:OsFjsY2FrAak3uTgVK5hXBmIIZup4GpDrpQNYHb71/Q6kY+FC3iWn5OB0TkqyJM:OsF4Y4Aak+TgY5hXB7IZuKsCsb7d14Cm

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    tVNMUR%7

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe
    "C:\Users\Admin\AppData\Local\Temp\b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3100-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3100-17-0x00007FFA0D7F0000-0x00007FFA0D9E5000-memory.dmp

    Filesize

    2.0MB

  • memory/3100-16-0x0000000006220000-0x0000000006270000-memory.dmp

    Filesize

    320KB

  • memory/3100-15-0x0000000005470000-0x00000000054D6000-memory.dmp

    Filesize

    408KB

  • memory/3100-14-0x00007FFA0D7F0000-0x00007FFA0D9E5000-memory.dmp

    Filesize

    2.0MB

  • memory/3100-13-0x00007FFA0D7F0000-0x00007FFA0D9E5000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-4-0x00007FFA0D7F0000-0x00007FFA0D9E5000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-7-0x00000000053D0000-0x00000000053DE000-memory.dmp

    Filesize

    56KB

  • memory/4808-8-0x0000000006390000-0x00000000063A0000-memory.dmp

    Filesize

    64KB

  • memory/4808-9-0x00000000063F0000-0x0000000006472000-memory.dmp

    Filesize

    520KB

  • memory/4808-10-0x0000000008E50000-0x0000000008EEC000-memory.dmp

    Filesize

    624KB

  • memory/4808-6-0x0000000005390000-0x00000000053A6000-memory.dmp

    Filesize

    88KB

  • memory/4808-5-0x0000000005100000-0x000000000510A000-memory.dmp

    Filesize

    40KB

  • memory/4808-0-0x00007FFA0D7F0000-0x00007FFA0D9E5000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-3-0x0000000005130000-0x00000000051C2000-memory.dmp

    Filesize

    584KB

  • memory/4808-2-0x00000000056E0000-0x0000000005C84000-memory.dmp

    Filesize

    5.6MB

  • memory/4808-1-0x0000000000650000-0x00000000006F6000-memory.dmp

    Filesize

    664KB