Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/02/2025, 03:53

General

  • Target
    Purchase_Order_PO-20250949_Authorized_Copy_Official_Document.pdf.exe
  • Size 996KB
  • Sample250205-efrtqsyjgx
  • SHA256 10559de6aa9d0859f9a8b46c69a4edb950297610a98121a1fb8a3c94de06ed05
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    ftp.haliza.com.my

  • Port

    21

  • Password

    JesusChrist007$

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.haliza.com.my

  • Port

    21

  • Password

    JesusChrist007$

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase_Order_PO-20250949_Authorized_Copy_Official_Document.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase_Order_PO-20250949_Authorized_Copy_Official_Document.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3884
    • 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\Purchase_Order_PO-20250949_Authorized_Copy_Official_Document.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1848
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ATFJHu.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:912
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ATFJHu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA71D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3012
    • C:\Users\Admin\AppData\Local\Temp\Purchase_Order_PO-20250949_Authorized_Copy_Official_Document.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase_Order_PO-20250949_Authorized_Copy_Official_Document.pdf.exe"
      2⤵
        PID:1256
      • C:\Users\Admin\AppData\Local\Temp\Purchase_Order_PO-20250949_Authorized_Copy_Official_Document.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Purchase_Order_PO-20250949_Authorized_Copy_Official_Document.pdf.exe"
        2⤵
          PID:372
        • C:\Users\Admin\AppData\Local\Temp\Purchase_Order_PO-20250949_Authorized_Copy_Official_Document.pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\Purchase_Order_PO-20250949_Authorized_Copy_Official_Document.pdf.exe"
          2⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4704

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
            • Size 2KB
            • SHA256 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
            • MD5 SHA1 SHA512

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 93a1157860b580e23fc741ad8a9f66bf43f497e61f7be917145def762920e6c6
            • MD5 SHA1 SHA512 SSDEEP

            __PSScriptPolicyTest_dluf1ere.hj4.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dluf1ere.hj4.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            tmpA71D.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmpA71D.tmp
            • Size 1KB
            • SHA256 4c5b2c613bd6c80be010c9e9ddb25abc3d76d34a8a11b67acfd638177f62b531
            • MD5 SHA1 SHA512

            memory/912-63-0x0000000006BA0000-0x0000000006BBE000-memory.dmp

            memory/912-64-0x0000000007880000-0x0000000007923000-memory.dmp

            memory/912-80-0x0000000007B40000-0x0000000007B4E000-memory.dmp

            memory/912-79-0x0000000007B10000-0x0000000007B21000-memory.dmp

            memory/912-77-0x0000000007980000-0x000000000798A000-memory.dmp

            memory/912-75-0x0000000007FB0000-0x000000000862A000-memory.dmp

            memory/912-26-0x0000000074470000-0x0000000074C20000-memory.dmp

            memory/912-81-0x0000000007B50000-0x0000000007B64000-memory.dmp

            memory/912-53-0x000000006F670000-0x000000006F6BC000-memory.dmp

            memory/912-52-0x0000000006BC0000-0x0000000006BF2000-memory.dmp

            memory/912-50-0x0000000006B30000-0x0000000006B7C000-memory.dmp

            memory/912-48-0x0000000006130000-0x000000000614E000-memory.dmp

            memory/912-23-0x0000000074470000-0x0000000074C20000-memory.dmp

            memory/912-82-0x0000000007C50000-0x0000000007C6A000-memory.dmp

            memory/912-33-0x0000000074470000-0x0000000074C20000-memory.dmp

            memory/912-89-0x0000000074470000-0x0000000074C20000-memory.dmp

            memory/1848-76-0x0000000006F30000-0x0000000006F4A000-memory.dmp

            memory/1848-65-0x000000006F670000-0x000000006F6BC000-memory.dmp

            memory/1848-25-0x0000000005580000-0x00000000055E6000-memory.dmp

            memory/1848-90-0x0000000074470000-0x0000000074C20000-memory.dmp

            memory/1848-27-0x0000000074470000-0x0000000074C20000-memory.dmp

            memory/1848-20-0x0000000074470000-0x0000000074C20000-memory.dmp

            memory/1848-22-0x0000000004D40000-0x0000000004D62000-memory.dmp

            memory/1848-19-0x0000000004EE0000-0x0000000005508000-memory.dmp

            memory/1848-18-0x0000000074470000-0x0000000074C20000-memory.dmp

            memory/1848-83-0x0000000007250000-0x0000000007258000-memory.dmp

            memory/1848-17-0x0000000002300000-0x0000000002336000-memory.dmp

            memory/1848-78-0x00000000071B0000-0x0000000007246000-memory.dmp

            memory/1848-24-0x0000000005510000-0x0000000005576000-memory.dmp

            memory/3884-9-0x00000000068E0000-0x00000000068FE000-memory.dmp

            memory/3884-6-0x0000000005750000-0x0000000005AA4000-memory.dmp

            memory/3884-11-0x0000000074470000-0x0000000074C20000-memory.dmp

            memory/3884-0-0x000000007447E000-0x000000007447F000-memory.dmp

            memory/3884-8-0x0000000006690000-0x0000000006776000-memory.dmp

            memory/3884-12-0x0000000002460000-0x00000000024E8000-memory.dmp

            memory/3884-7-0x0000000004F00000-0x0000000004F9C000-memory.dmp

            memory/3884-10-0x000000007447E000-0x000000007447F000-memory.dmp

            memory/3884-5-0x0000000004BD0000-0x0000000004BDA000-memory.dmp

            memory/3884-4-0x0000000074470000-0x0000000074C20000-memory.dmp

            memory/3884-51-0x0000000074470000-0x0000000074C20000-memory.dmp

            memory/3884-3-0x0000000004BF0000-0x0000000004C82000-memory.dmp

            memory/3884-2-0x00000000051A0000-0x0000000005744000-memory.dmp

            memory/3884-1-0x0000000000220000-0x000000000031E000-memory.dmp

            memory/4704-47-0x0000000000400000-0x0000000000442000-memory.dmp

            memory/4704-92-0x0000000006B10000-0x0000000006B60000-memory.dmp