Analysis

  • max time kernel
    145s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2024 01:42

General

  • Target

    8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe

  • Size

    700KB

  • MD5

    13c5a61000759346402f0b34ba90d241

  • SHA1

    cbdf3f73b57907e1eb86d6e622f83de958dde709

  • SHA256

    8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9

  • SHA512

    52e688c77a21adc59723b38d9b38a9be137290528359c3d1767d2ce961a8c74e8ca4e5ab5697d32cf284631f1926c183f1d00d26811100253c9383340bf0feb1

  • SSDEEP

    12288:VlYfarHpUixrVzCKvwAgvcqtwgKSr35cYu6dCOb4lH:/MaTzPdm0qelQ35K6UHlH

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7098846156:AAEjEB6oInXMIjueYEkuPxnI5YrdoTBJpKo/

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe
    "C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4136
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2812-12-0x00000000068F0000-0x0000000006940000-memory.dmp

    Filesize

    320KB

  • memory/2812-13-0x00000000069E0000-0x0000000006A72000-memory.dmp

    Filesize

    584KB

  • memory/2812-8-0x00000000059B0000-0x0000000005A16000-memory.dmp

    Filesize

    408KB

  • memory/2812-16-0x0000000074C10000-0x00000000753C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2812-9-0x0000000074C10000-0x00000000753C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2812-5-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2812-6-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

    Filesize

    4KB

  • memory/2812-15-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

    Filesize

    4KB

  • memory/2812-14-0x0000000006980000-0x000000000698A000-memory.dmp

    Filesize

    40KB

  • memory/2812-7-0x0000000005EF0000-0x0000000006494000-memory.dmp

    Filesize

    5.6MB

  • memory/4136-4-0x000001952BCE0000-0x000001952BD74000-memory.dmp

    Filesize

    592KB

  • memory/4136-11-0x00007FFD9E690000-0x00007FFD9F151000-memory.dmp

    Filesize

    10.8MB

  • memory/4136-1-0x0000019511760000-0x0000019511782000-memory.dmp

    Filesize

    136KB

  • memory/4136-0-0x00007FFD9E693000-0x00007FFD9E695000-memory.dmp

    Filesize

    8KB

  • memory/4136-2-0x00007FFD9E690000-0x00007FFD9F151000-memory.dmp

    Filesize

    10.8MB

  • memory/4136-10-0x000001952BF40000-0x000001952C0AA000-memory.dmp

    Filesize

    1.4MB

  • memory/4136-3-0x0000019511C80000-0x0000019511C86000-memory.dmp

    Filesize

    24KB