Analysis

  • max time kernel
    112s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2022, 08:42

General

  • Target
    SecuriteInfo.com.Variant.Barys.317164.23232.exe
  • Size 394KB
  • Sample220726-kl179abca6
  • SHA256 ab2bcb61ea3c3b5fe9dd5ee58339b6675e40f7adcafa134dbeaae86e4a616906
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot5083863399:AAH9g72QTdN88jNOd6_tBrE8gEd-FpXnfHE/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Barys.317164.23232.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Barys.317164.23232.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4928

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2308-132-0x0000000000E00000-0x0000000000E66000-memory.dmp

        memory/4928-134-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/4928-135-0x0000000005D30000-0x00000000062D4000-memory.dmp

        memory/4928-136-0x0000000005830000-0x00000000058C2000-memory.dmp

        memory/4928-137-0x0000000005AB0000-0x0000000005B4C000-memory.dmp

        memory/4928-138-0x0000000006820000-0x0000000006886000-memory.dmp