Analysis

  • max time kernel
    116s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/06/2024, 14:17

General

  • Target
    355447fbc1a87b379d3f633117dbd8327279c74a24288c20d459986b2232f433.exe
  • Size 730KB
  • Sample240606-rl2x4sfc3w
  • SHA256 355447fbc1a87b379d3f633117dbd8327279c74a24288c20d459986b2232f433
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    us2.smtp.mailhostbox.com

  • Port

    587

  • Password

    tVNMUR%7

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\355447fbc1a87b379d3f633117dbd8327279c74a24288c20d459986b2232f433.exe
    "C:\Users\Admin\AppData\Local\Temp\355447fbc1a87b379d3f633117dbd8327279c74a24288c20d459986b2232f433.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1084
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ikeDzhbe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4928
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ikeDzhbe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp631F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1260
    • 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:1700

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        __PSScriptPolicyTest_yluemvoc.csq.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yluemvoc.csq.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmp631F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp631F.tmp
        • Size 1KB
        • SHA256 d0e39b04cd8f767fc2ef0a8b6f19358b69629f200915e6f87298edc7ee8c717f
        • MD5 SHA1 SHA512

        memory/1084-8-0x00000000058B0000-0x00000000058C0000-memory.dmp

        memory/1084-9-0x0000000006630000-0x00000000066B2000-memory.dmp

        memory/1084-4-0x0000000005390000-0x000000000539A000-memory.dmp

        memory/1084-5-0x0000000074C10000-0x00000000753C0000-memory.dmp

        memory/1084-6-0x0000000005640000-0x0000000005656000-memory.dmp

        memory/1084-7-0x00000000058A0000-0x00000000058AE000-memory.dmp

        memory/1084-2-0x00000000058D0000-0x0000000005E74000-memory.dmp

        memory/1084-3-0x00000000053C0000-0x0000000005452000-memory.dmp

        memory/1084-10-0x000000000A4E0000-0x000000000A57C000-memory.dmp

        memory/1084-1-0x00000000008D0000-0x000000000098C000-memory.dmp

        memory/1084-36-0x0000000074C10000-0x00000000753C0000-memory.dmp

        memory/1084-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

        memory/1700-58-0x00000000063A0000-0x00000000063F0000-memory.dmp

        memory/1700-33-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/4928-34-0x00000000059B0000-0x0000000005D04000-memory.dmp

        memory/4928-51-0x00000000070A0000-0x0000000007143000-memory.dmp

        memory/4928-32-0x0000000074C10000-0x00000000753C0000-memory.dmp

        memory/4928-21-0x0000000005840000-0x00000000058A6000-memory.dmp

        memory/4928-17-0x0000000074C10000-0x00000000753C0000-memory.dmp

        memory/4928-19-0x0000000004FD0000-0x0000000004FF2000-memory.dmp

        memory/4928-20-0x00000000050F0000-0x0000000005156000-memory.dmp

        memory/4928-16-0x0000000005160000-0x0000000005788000-memory.dmp

        memory/4928-37-0x0000000005E90000-0x0000000005EAE000-memory.dmp

        memory/4928-38-0x00000000063E0000-0x000000000642C000-memory.dmp

        memory/4928-39-0x0000000006480000-0x00000000064B2000-memory.dmp

        memory/4928-40-0x0000000075480000-0x00000000754CC000-memory.dmp

        memory/4928-50-0x0000000007080000-0x000000000709E000-memory.dmp

        memory/4928-28-0x0000000074C10000-0x00000000753C0000-memory.dmp

        memory/4928-52-0x0000000007800000-0x0000000007E7A000-memory.dmp

        memory/4928-53-0x00000000071C0000-0x00000000071DA000-memory.dmp

        memory/4928-54-0x0000000007230000-0x000000000723A000-memory.dmp

        memory/4928-55-0x0000000007440000-0x00000000074D6000-memory.dmp

        memory/4928-56-0x00000000073C0000-0x00000000073D1000-memory.dmp

        memory/4928-57-0x00000000073F0000-0x00000000073FE000-memory.dmp

        memory/4928-15-0x0000000002570000-0x00000000025A6000-memory.dmp

        memory/4928-59-0x0000000007400000-0x0000000007414000-memory.dmp

        memory/4928-60-0x0000000007500000-0x000000000751A000-memory.dmp

        memory/4928-61-0x00000000074E0000-0x00000000074E8000-memory.dmp

        memory/4928-64-0x0000000074C10000-0x00000000753C0000-memory.dmp