Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03-06-2024 09:53

General

  • Target

    Requirement Specification.exe

  • Size

    3.4MB

  • MD5

    86b91372dc46212aa7f5310339a6f7f3

  • SHA1

    ddfd08661f0f3a515c3802cf3042b002d1748d53

  • SHA256

    564d2275edd8f622be6717d156c627a346f330549ca2f266985e49a4e5e17204

  • SHA512

    6f2dfbb44854f6021752691d3c4328cdd6b40695fc923b0c28f8432d8c9d4fa217e75dce067ed86a58f8d8e424593035fb3084bee5a1b6b29fa5b872e1211210

  • SSDEEP

    49152:h8yJAk206NICMq5pzKRgqVzKfxgF2/yjmQkk2:2Bsb/kk2

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe
    "C:\Users\Admin\AppData\Local\Temp\Requirement Specification.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath $env:UserProfile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1284
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1284-16-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

    Filesize

    9.6MB

  • memory/1284-4-0x000007FEF5BFE000-0x000007FEF5BFF000-memory.dmp

    Filesize

    4KB

  • memory/1284-6-0x0000000002230000-0x0000000002238000-memory.dmp

    Filesize

    32KB

  • memory/1284-7-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

    Filesize

    9.6MB

  • memory/1284-8-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

    Filesize

    9.6MB

  • memory/1284-10-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

    Filesize

    9.6MB

  • memory/1284-5-0x000000001B6D0000-0x000000001B9B2000-memory.dmp

    Filesize

    2.9MB

  • memory/1284-19-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

    Filesize

    9.6MB

  • memory/1284-17-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

    Filesize

    9.6MB

  • memory/2092-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2092-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2092-18-0x000000007426E000-0x000000007426F000-memory.dmp

    Filesize

    4KB

  • memory/2092-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2092-20-0x000000007426E000-0x000000007426F000-memory.dmp

    Filesize

    4KB