Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/05/2024, 07:45

General

  • Target
    Puchase order___pdf.scr.exe
  • Size 917KB
  • Sample240527-jldlhsdf87
  • SHA256 bddcfdca7da88bdfed52adaebcb8ecdefe3ba41ae99cf2ab5e917025aa03285e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.alfainterplast.com.ua

  • Port

    587

  • Password

    X~9fki.{k;+)

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 2 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.

  • 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
  • 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Puchase order___pdf.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\Puchase order___pdf.scr.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:372
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Puchase order___pdf.scr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1068
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mnqiOndQHr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1188
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mnqiOndQHr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp14D6.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1184
    • C:\Users\Admin\AppData\Local\Temp\Puchase order___pdf.scr.exe
      "C:\Users\Admin\AppData\Local\Temp\Puchase order___pdf.scr.exe"
      2⤵
        PID:3156
      • C:\Users\Admin\AppData\Local\Temp\Puchase order___pdf.scr.exe
        "C:\Users\Admin\AppData\Local\Temp\Puchase order___pdf.scr.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4048
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4156 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1324

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
            • Size 2KB
            • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
            • MD5 SHA1 SHA512

            __PSScriptPolicyTest_0ywrh24r.t43.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0ywrh24r.t43.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            tmp14D6.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmp14D6.tmp
            • Size 1KB
            • SHA256 c7ef7eb5930c86e85b35fb6d3678b6fe6d15c1dce66f564fd8408822cefc8189
            • MD5 SHA1 SHA512

            memory/372-4-0x00000000751E0000-0x0000000075990000-memory.dmp

            memory/372-3-0x0000000005370000-0x0000000005402000-memory.dmp

            memory/372-5-0x0000000005330000-0x000000000533A000-memory.dmp

            memory/372-6-0x00000000751EE000-0x00000000751EF000-memory.dmp

            memory/372-7-0x00000000751E0000-0x0000000075990000-memory.dmp

            memory/372-8-0x0000000005850000-0x000000000586A000-memory.dmp

            memory/372-9-0x0000000006F00000-0x0000000006F10000-memory.dmp

            memory/372-10-0x0000000007250000-0x00000000072D2000-memory.dmp

            memory/372-11-0x0000000009910000-0x00000000099AC000-memory.dmp

            memory/372-2-0x0000000005880000-0x0000000005E24000-memory.dmp

            memory/372-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

            memory/372-1-0x0000000000880000-0x000000000096C000-memory.dmp

            memory/372-30-0x00000000751E0000-0x0000000075990000-memory.dmp

            memory/1068-76-0x0000000007C00000-0x000000000827A000-memory.dmp

            memory/1068-78-0x0000000007630000-0x000000000763A000-memory.dmp

            memory/1068-90-0x00000000751E0000-0x0000000075990000-memory.dmp

            memory/1068-12-0x00000000751E0000-0x0000000075990000-memory.dmp

            memory/1068-19-0x00000000053D0000-0x00000000059F8000-memory.dmp

            memory/1068-25-0x0000000005130000-0x0000000005152000-memory.dmp

            memory/1068-26-0x0000000005250000-0x00000000052B6000-memory.dmp

            memory/1068-27-0x00000000052C0000-0x0000000005326000-memory.dmp

            memory/1068-81-0x00000000077F0000-0x00000000077FE000-memory.dmp

            memory/1068-17-0x00000000751E0000-0x0000000075990000-memory.dmp

            memory/1068-16-0x0000000004C50000-0x0000000004C86000-memory.dmp

            memory/1068-79-0x0000000007840000-0x00000000078D6000-memory.dmp

            memory/1068-15-0x00000000751E0000-0x0000000075990000-memory.dmp

            memory/1068-75-0x00000000072B0000-0x0000000007353000-memory.dmp

            memory/1068-53-0x0000000070EF0000-0x0000000070F3C000-memory.dmp

            memory/1068-52-0x0000000006880000-0x00000000068B2000-memory.dmp

            memory/1188-80-0x0000000007210000-0x0000000007221000-memory.dmp

            memory/1188-82-0x0000000007250000-0x0000000007264000-memory.dmp

            memory/1188-22-0x00000000751E0000-0x0000000075990000-memory.dmp

            memory/1188-51-0x0000000005D30000-0x0000000005D7C000-memory.dmp

            memory/1188-50-0x0000000005C50000-0x0000000005C6E000-memory.dmp

            memory/1188-77-0x0000000006FF0000-0x000000000700A000-memory.dmp

            memory/1188-73-0x0000000006290000-0x00000000062AE000-memory.dmp

            memory/1188-89-0x00000000751E0000-0x0000000075990000-memory.dmp

            memory/1188-63-0x0000000070EF0000-0x0000000070F3C000-memory.dmp

            memory/1188-49-0x0000000005680000-0x00000000059D4000-memory.dmp

            memory/1188-21-0x00000000751E0000-0x0000000075990000-memory.dmp

            memory/1188-83-0x0000000007350000-0x000000000736A000-memory.dmp

            memory/1188-84-0x0000000007330000-0x0000000007338000-memory.dmp

            memory/1188-23-0x00000000751E0000-0x0000000075990000-memory.dmp

            memory/4048-28-0x0000000000400000-0x0000000000440000-memory.dmp

            memory/4048-74-0x0000000005FF0000-0x0000000006040000-memory.dmp