Resubmissions

12/10/2025, 19:33

251012-x9vftseq3110

12/10/2025, 14:57

251012-sbvaysbp2v10

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
    12/10/2025, 14:57

General

  • Target
    PO-0839380292.exe
  • Size 635KB
  • Sample251012-sbvaysbp2v
  • SHA256 3cc8ebdc770eed05864ce67f642df1d35a59005ee108fbeba205cf8e9f27f514
  • 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\PO-0839380292.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-0839380292.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5276
    • 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\PO-0839380292.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5140
    • C:\Users\Admin\AppData\Local\Temp\PO-0839380292.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-0839380292.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4016

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        PO-0839380292.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-0839380292.exe.log
        • Size 1KB
        • SHA256 4c17576f64dea465c45a50573ee41771f7be9962ab2d07f961af4df5589bdcce
        • MD5 SHA1 SHA512

        __PSScriptPolicyTest_tojycmtw.amj.ps1

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

        memory/4016-39-0x0000000006C50000-0x0000000006CA0000-memory.dmp

        memory/4016-16-0x0000000005620000-0x0000000005686000-memory.dmp

        memory/4016-51-0x0000000005570000-0x0000000005580000-memory.dmp

        memory/4016-13-0x0000000005570000-0x0000000005580000-memory.dmp

        memory/4016-9-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/5140-18-0x0000000005110000-0x0000000005132000-memory.dmp

        memory/5140-43-0x0000000007590000-0x0000000007626000-memory.dmp

        memory/5140-47-0x0000000007650000-0x000000000766A000-memory.dmp

        memory/5140-44-0x0000000007510000-0x0000000007521000-memory.dmp

        memory/5140-12-0x0000000002810000-0x0000000002846000-memory.dmp

        memory/5140-48-0x0000000007640000-0x0000000007648000-memory.dmp

        memory/5140-14-0x00000000027C0000-0x00000000027D0000-memory.dmp

        memory/5140-15-0x00000000027C0000-0x00000000027D0000-memory.dmp

        memory/5140-41-0x0000000007300000-0x000000000731A000-memory.dmp

        memory/5140-19-0x0000000005880000-0x00000000058E6000-memory.dmp

        memory/5140-45-0x0000000007540000-0x000000000754E000-memory.dmp

        memory/5140-46-0x0000000007550000-0x0000000007565000-memory.dmp

        memory/5140-17-0x00000000051E0000-0x000000000580A000-memory.dmp

        memory/5140-42-0x0000000007380000-0x000000000738A000-memory.dmp

        memory/5140-27-0x0000000005FB0000-0x0000000005FCE000-memory.dmp

        memory/5140-28-0x0000000006060000-0x00000000060AC000-memory.dmp

        memory/5140-29-0x0000000006F80000-0x0000000006FB4000-memory.dmp

        memory/5140-37-0x0000000006FC0000-0x0000000006FDE000-memory.dmp

        memory/5140-30-0x0000000070D60000-0x0000000070DAC000-memory.dmp

        memory/5140-38-0x00000000071E0000-0x0000000007284000-memory.dmp

        memory/5140-26-0x0000000005B10000-0x0000000005E67000-memory.dmp

        memory/5140-40-0x0000000007950000-0x0000000007FCA000-memory.dmp

        memory/5276-3-0x0000000005C10000-0x0000000005C20000-memory.dmp

        memory/5276-0-0x0000000000F50000-0x0000000000FF6000-memory.dmp

        memory/5276-1-0x0000000006060000-0x0000000006606000-memory.dmp

        memory/5276-2-0x0000000005950000-0x00000000059E2000-memory.dmp

        memory/5276-8-0x0000000007480000-0x0000000007506000-memory.dmp

        memory/5276-7-0x0000000005C10000-0x0000000005C20000-memory.dmp

        memory/5276-6-0x0000000005EF0000-0x0000000005EFC000-memory.dmp

        memory/5276-5-0x0000000005CC0000-0x0000000005D5C000-memory.dmp

        memory/5276-4-0x0000000005A10000-0x0000000005A1A000-memory.dmp