Analysis

  • max time kernel
    149s
  • max time network
    102s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    14/10/2025, 02:44

General

  • Target
    shippment invoice_6543223456.PDF.exe
  • Size 691KB
  • Sample251014-c8c5yadp81
  • SHA256 c77df447c372e2aa22b4fb528775f2ac2be22e0595f02ceb3c40c9944cf689d4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.fosna.net

  • Port

    21

  • Password

    (=8fPSH$KO_!

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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.

  • 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.

  • Looks up external IP address via web service 1 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\shippment invoice_6543223456.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\shippment invoice_6543223456.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1940
    • 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\shippment invoice_6543223456.PDF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5740
    • C:\Users\Admin\AppData\Local\Temp\shippment invoice_6543223456.PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\shippment invoice_6543223456.PDF.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2276

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        shippment invoice_6543223456.PDF.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\shippment invoice_6543223456.PDF.exe.log
        • Size 1KB
        • SHA256 4c17576f64dea465c45a50573ee41771f7be9962ab2d07f961af4df5589bdcce
        • MD5 SHA1 SHA512

        __PSScriptPolicyTest_5xhtwyvs.srn.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5xhtwyvs.srn.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/1940-1-0x0000000005D50000-0x00000000062F6000-memory.dmp

        memory/1940-2-0x00000000057A0000-0x0000000005832000-memory.dmp

        memory/1940-3-0x0000000005700000-0x0000000005710000-memory.dmp

        memory/1940-4-0x0000000005770000-0x000000000577A000-memory.dmp

        memory/1940-5-0x0000000005A30000-0x0000000005ACC000-memory.dmp

        memory/1940-6-0x0000000005D20000-0x0000000005D34000-memory.dmp

        memory/1940-7-0x0000000005700000-0x0000000005710000-memory.dmp

        memory/1940-8-0x0000000006F30000-0x0000000006FB6000-memory.dmp

        memory/1940-0-0x0000000000C10000-0x0000000000CC2000-memory.dmp

        memory/2276-9-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2276-12-0x00000000057B0000-0x00000000057C0000-memory.dmp

        memory/2276-51-0x00000000057B0000-0x00000000057C0000-memory.dmp

        memory/2276-41-0x0000000006C80000-0x0000000006CD0000-memory.dmp

        memory/2276-16-0x0000000005600000-0x0000000005666000-memory.dmp

        memory/5740-30-0x0000000070700000-0x000000007074C000-memory.dmp

        memory/5740-40-0x0000000006DA0000-0x0000000006DBA000-memory.dmp

        memory/5740-17-0x0000000004CB0000-0x00000000052DA000-memory.dmp

        memory/5740-24-0x0000000005400000-0x0000000005466000-memory.dmp

        memory/5740-26-0x0000000005590000-0x00000000058E7000-memory.dmp

        memory/5740-27-0x0000000005A50000-0x0000000005A6E000-memory.dmp

        memory/5740-28-0x0000000005A90000-0x0000000005ADC000-memory.dmp

        memory/5740-29-0x0000000006A20000-0x0000000006A54000-memory.dmp

        memory/5740-13-0x0000000004670000-0x0000000004680000-memory.dmp

        memory/5740-37-0x0000000006050000-0x000000000606E000-memory.dmp

        memory/5740-38-0x0000000006C70000-0x0000000006D14000-memory.dmp

        memory/5740-18-0x00000000052E0000-0x0000000005302000-memory.dmp

        memory/5740-39-0x00000000073F0000-0x0000000007A6A000-memory.dmp

        memory/5740-15-0x0000000004670000-0x0000000004680000-memory.dmp

        memory/5740-42-0x0000000006E20000-0x0000000006E2A000-memory.dmp

        memory/5740-43-0x0000000007030000-0x00000000070C6000-memory.dmp

        memory/5740-44-0x0000000006FB0000-0x0000000006FC1000-memory.dmp

        memory/5740-45-0x0000000006FE0000-0x0000000006FEE000-memory.dmp

        memory/5740-46-0x0000000006FF0000-0x0000000007005000-memory.dmp

        memory/5740-47-0x00000000070F0000-0x000000000710A000-memory.dmp

        memory/5740-48-0x00000000070E0000-0x00000000070E8000-memory.dmp

        memory/5740-14-0x00000000045F0000-0x0000000004626000-memory.dmp