Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 13:25

General

  • Target
    tmp8fhxlkeq.js
  • Size 1.3MB
  • Sample260602-qn1mdset4x
  • SHA256 75c48a036defda95b81b0f62759558070ee9e3432f694752c6ef50ca59595d08
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • tu90

Decoy
  • centerwellstateave1.com

  • setpink.life

  • kisahkasihsatwa.com

  • tk7.store

  • jennyfercoox.com

  • igjewelry.com

  • conterahip.xyz

  • 08227903.com

  • m0496kf.shop

  • lunrycas.com

  • newiberiacarwrecklawyer.com

  • 013832.com

  • help.ventures

  • triplehunter.com

  • tnlfy5.info

  • kodagen.com

  • rwd.exchange

  • akxugw.info

  • winhubwin.com

  • 4889763.cc

Signatures

  • Family: Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 17 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Kills process with taskkill 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3160
    • C:\Windows\system32\wscript.exe
      wscript.exe C:\Users\Admin\AppData\Local\Temp\tmp8fhxlkeq.js
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2276
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -NonInteractive -NoLogo -File "C:\Temp\ps_CI663cjBOB83_1780406714616.ps1"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3116
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:4352
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
          4⤵
            PID:4252
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
            4⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            PID:4672
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
            4⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            PID:416
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
            4⤵
              PID:3340
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
              4⤵
                PID:2184
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
                4⤵
                • Suspicious use of SetThreadContext
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of AdjustPrivilegeToken
                PID:2096
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
                4⤵
                  PID:1456
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
                  4⤵
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious behavior: MapViewOfSection
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1356
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
                  4⤵
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious behavior: MapViewOfSection
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1812
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
                  4⤵
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: MapViewOfSection
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4980
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c taskkill /f /im wscript.exe >nul 2>&1
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:2400
                • C:\Windows\system32\taskkill.exe
                  taskkill /f /im wscript.exe
                  4⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4904
            • C:\Windows\SysWOW64\systray.exe
              "C:\Windows\SysWOW64\systray.exe"
              2⤵
              • Accesses Microsoft Outlook profiles
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              • outlook_office_path
              PID:3136
              • C:\Windows\SysWOW64\cmd.exe
                /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
                3⤵
                • System Location Discovery: System Language Discovery
                PID:2296
              • C:\Program Files\Mozilla Firefox\Firefox.exe
                "C:\Program Files\Mozilla Firefox\Firefox.exe"
                3⤵
                  PID:1284
              • C:\Windows\SysWOW64\help.exe
                "C:\Windows\SysWOW64\help.exe"
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:3996
              • C:\Windows\SysWOW64\colorcpl.exe
                "C:\Windows\SysWOW64\colorcpl.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:4592
              • C:\Windows\SysWOW64\wlanext.exe
                "C:\Windows\SysWOW64\wlanext.exe"
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:4852
              • C:\Windows\SysWOW64\ipconfig.exe
                "C:\Windows\SysWOW64\ipconfig.exe"
                2⤵
                • Gathers network information
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:4748
              • C:\Windows\SysWOW64\netsh.exe
                "C:\Windows\SysWOW64\netsh.exe"
                2⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:1416
              • C:\Windows\SysWOW64\msiexec.exe
                "C:\Windows\SysWOW64\msiexec.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:3280

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  ps_CI663cjBOB83_1780406714616.ps1

                  • Path C:\Temp\ps_CI663cjBOB83_1780406714616.ps1
                  • Size 1002KB
                  • SHA256 521caa3dbb091ab54613e2a7ddd20bb8838779d5c94c06d4cf2ea491518ea9ab
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  DB1

                  • Path C:\Users\Admin\AppData\Local\Temp\DB1
                  • Size 40KB
                  • SHA256 06aeb2f9c1ee642348c091fb27541c143545354c273055ce30832e0f61aedf81
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  __PSScriptPolicyTest_5fviggq1.g0w.ps1

                  • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5fviggq1.g0w.ps1
                  • Size 60B
                  • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                  • MD5 SHA1 SHA512 TLSH

                  1K7logim.jpeg

                  • Path C:\Users\Admin\AppData\Roaming\1K743PQ2\1K7logim.jpeg
                  • Size 112KB
                  • SHA256 9a6a0db59d94bb70b52c35affcbde69582834d86ad6fdc027ac43505681bc8c2
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  1K7logrc.ini

                  • Path C:\Users\Admin\AppData\Roaming\1K743PQ2\1K7logrc.ini
                  • Size 40B
                  • SHA256 b17183098b6e349844a3151456edf62c8e41b2348d2445a610c0ff1e29963067
                  • MD5 SHA1 SHA512

                  1K7logrg.ini

                  • Path C:\Users\Admin\AppData\Roaming\1K743PQ2\1K7logrg.ini
                  • Size 38B
                  • SHA256 75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56
                  • MD5 SHA1 SHA512

                  1K7logri.ini

                  • Path C:\Users\Admin\AppData\Roaming\1K743PQ2\1K7logri.ini
                  • Size 40B
                  • SHA256 eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae
                  • MD5 SHA1 SHA512

                  1K7logrv.ini

                  • Path C:\Users\Admin\AppData\Roaming\1K743PQ2\1K7logrv.ini
                  • Size 40B
                  • SHA256 6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507
                  • MD5 SHA1 SHA512

                  memory/1416-71-0x0000000000AB0000-0x0000000000ACE000-memory.dmp

                  memory/1416-72-0x0000000000AB0000-0x0000000000ACE000-memory.dmp

                  memory/2096-55-0x0000000000400000-0x000000000042F000-memory.dmp

                  memory/3116-14-0x0000025FE4AA0000-0x0000025FE4AB0000-memory.dmp

                  memory/3116-20-0x0000025FE4AA0000-0x0000025FE4AB0000-memory.dmp

                  memory/3116-15-0x0000025FE4AA0000-0x0000025FE4AB0000-memory.dmp

                  memory/3116-12-0x0000025FE7860000-0x0000025FE787A000-memory.dmp

                  memory/3116-10-0x0000025FE4AA0000-0x0000025FE4AB0000-memory.dmp

                  memory/3116-8-0x0000025FE77D0000-0x0000025FE77F2000-memory.dmp

                  memory/3116-1-0x0000025FE4AA0000-0x0000025FE4AB0000-memory.dmp

                  memory/3116-2-0x0000025FE4AA0000-0x0000025FE4AB0000-memory.dmp

                  memory/3136-23-0x0000000000FE0000-0x0000000000FE6000-memory.dmp

                  memory/3136-22-0x0000000000FE0000-0x0000000000FE6000-memory.dmp

                  memory/3136-24-0x0000000000670000-0x000000000069F000-memory.dmp

                  memory/3160-63-0x0000000004D20000-0x0000000004DBC000-memory.dmp

                  memory/3160-41-0x0000000004D20000-0x0000000004DBC000-memory.dmp

                  memory/3160-21-0x0000000004F30000-0x0000000005066000-memory.dmp

                  memory/3160-53-0x0000000004D20000-0x0000000004DBC000-memory.dmp

                  memory/3160-38-0x0000000004F30000-0x0000000005066000-memory.dmp

                  memory/3160-56-0x0000000004D20000-0x0000000004DBC000-memory.dmp

                  memory/3160-47-0x0000000004D20000-0x0000000004DBC000-memory.dmp

                  memory/3160-70-0x0000000004D20000-0x0000000004DBC000-memory.dmp

                  memory/3280-79-0x0000000000D20000-0x0000000000D48000-memory.dmp

                  memory/3280-82-0x0000000000D20000-0x0000000000D48000-memory.dmp

                  memory/3280-80-0x0000000000D20000-0x0000000000D48000-memory.dmp

                  memory/3996-42-0x0000000000AE0000-0x0000000000AE7000-memory.dmp

                  memory/4352-18-0x0000000000400000-0x000000000042F000-memory.dmp

                  memory/4352-16-0x0000000001900000-0x0000000001C56000-memory.dmp

                  memory/4352-13-0x0000000000400000-0x000000000042F000-memory.dmp

                  memory/4352-19-0x0000000001DA0000-0x0000000001DB5000-memory.dmp

                  memory/4592-48-0x00000000001D0000-0x00000000001E9000-memory.dmp

                  memory/4672-40-0x0000000000400000-0x000000000042F000-memory.dmp

                  memory/4748-65-0x0000000000150000-0x000000000015B000-memory.dmp

                  memory/4852-58-0x0000000000510000-0x0000000000527000-memory.dmp

                  memory/4852-57-0x0000000000510000-0x0000000000527000-memory.dmp