Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/06/2026, 13:19

General

  • Target
    tmpc222jj_i.js
  • Size 1.3MB
  • Sample260602-qkhbmses3s
  • SHA256 61489fd53e391252cb169ac36d722778eaae2098138fa6191cbe590ae8645c2f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • fz49

Decoy
  • t7qt8rj9xg.cc

  • 8uh6g.top

  • spjpantp.top

  • bobewigi.com

  • dldaljq.bond

  • studyvibez.site

  • 0fb7fwr0.bond

  • taier-rooftile.com

  • esenciacz.info

  • sakuramassages.com

  • qzsy74.sbs

  • boostupbloggings.com

  • ar3ebj.bond

  • n1ph1s.info

  • orakuxafolidv.info

  • 6supv0.vip

  • impulsvendrell.com

  • myoakviewbenefits.com

  • drwn.ch

  • bvcki.xyz

Signatures

  • Family: Formbook

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

  • Formbook payload 4 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 16 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 8 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
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3244
    • C:\Windows\system32\wscript.exe
      wscript.exe C:\Users\Admin\AppData\Local\Temp\tmpc222jj_i.js
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4948
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -NonInteractive -NoLogo -File "C:\Temp\ps_oJpOJs8qlMcu_1780406347929.ps1"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2596
        • 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:4140
        • 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
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1048
          • C:\Windows\SysWOW64\NETSTAT.EXE
            "C:\Windows\SysWOW64\NETSTAT.EXE"
            5⤵
            • Gathers network information
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3396
        • 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:848
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Aspnet_compiler.exe"
          4⤵
            PID:2268
          • 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:4244
          • 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:3036
          • 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:4840
          • 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:3336
        • 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:3632
          • C:\Windows\system32\taskkill.exe
            taskkill /f /im wscript.exe
            4⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1472
      • C:\Windows\SysWOW64\control.exe
        "C:\Windows\SysWOW64\control.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:220
        • 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:3068
        • C:\Program Files\Mozilla Firefox\Firefox.exe
          "C:\Program Files\Mozilla Firefox\Firefox.exe"
          3⤵
            PID:1084
        • C:\Windows\SysWOW64\raserver.exe
          "C:\Windows\SysWOW64\raserver.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4500
        • C:\Windows\SysWOW64\autoconv.exe
          "C:\Windows\SysWOW64\autoconv.exe"
          2⤵
            PID:4628
          • C:\Windows\SysWOW64\autoconv.exe
            "C:\Windows\SysWOW64\autoconv.exe"
            2⤵
              PID:3060
            • C:\Windows\SysWOW64\autoconv.exe
              "C:\Windows\SysWOW64\autoconv.exe"
              2⤵
                PID:2316
              • C:\Windows\SysWOW64\autoconv.exe
                "C:\Windows\SysWOW64\autoconv.exe"
                2⤵
                  PID:3920
                • C:\Windows\SysWOW64\autoconv.exe
                  "C:\Windows\SysWOW64\autoconv.exe"
                  2⤵
                    PID:1132
                  • C:\Windows\SysWOW64\autoconv.exe
                    "C:\Windows\SysWOW64\autoconv.exe"
                    2⤵
                      PID:1052
                    • C:\Windows\SysWOW64\autoconv.exe
                      "C:\Windows\SysWOW64\autoconv.exe"
                      2⤵
                        PID:536
                      • C:\Windows\SysWOW64\autoconv.exe
                        "C:\Windows\SysWOW64\autoconv.exe"
                        2⤵
                          PID:4768
                        • 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:4116
                        • C:\Windows\SysWOW64\cscript.exe
                          "C:\Windows\SysWOW64\cscript.exe"
                          2⤵
                          • System Location Discovery: System Language Discovery
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          PID:3372
                        • C:\Windows\SysWOW64\control.exe
                          "C:\Windows\SysWOW64\control.exe"
                          2⤵
                          • System Location Discovery: System Language Discovery
                          • Suspicious use of AdjustPrivilegeToken
                          PID:1440
                        • C:\Windows\SysWOW64\mstsc.exe
                          "C:\Windows\SysWOW64\mstsc.exe"
                          2⤵
                          • System Location Discovery: System Language Discovery
                          • Suspicious use of AdjustPrivilegeToken
                          PID:2824

                      Network

                            MITRE ATT&CK Enterprise v16

                            Replay Monitor

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                            Downloads

                            ps_oJpOJs8qlMcu_1780406347929.ps1

                            • Path C:\Temp\ps_oJpOJs8qlMcu_1780406347929.ps1
                            • Size 983KB
                            • SHA256 b2fe89110353c775dc458b706800669e63dfa4fd6ad88e36e1379ce881363c2a
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            DB1

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

                            __PSScriptPolicyTest_oniihxef.3wc.ps1

                            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oniihxef.3wc.ps1
                            • Size 60B
                            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                            • MD5 SHA1 SHA512 TLSH

                            449logim.jpeg

                            • Path C:\Users\Admin\AppData\Roaming\44934DB2\449logim.jpeg
                            • Size 115KB
                            • SHA256 1f0d70d067810730280f4f6f8a8e8437f05742f1bd0f8b51044a150ff40340eb
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            449logrc.ini

                            • Path C:\Users\Admin\AppData\Roaming\44934DB2\449logrc.ini
                            • Size 40B
                            • SHA256 b17183098b6e349844a3151456edf62c8e41b2348d2445a610c0ff1e29963067
                            • MD5 SHA1 SHA512

                            449logrg.ini

                            • Path C:\Users\Admin\AppData\Roaming\44934DB2\449logrg.ini
                            • Size 38B
                            • SHA256 75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56
                            • MD5 SHA1 SHA512

                            449logri.ini

                            • Path C:\Users\Admin\AppData\Roaming\44934DB2\449logri.ini
                            • Size 40B
                            • SHA256 eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae
                            • MD5 SHA1 SHA512

                            449logrv.ini

                            • Path C:\Users\Admin\AppData\Roaming\44934DB2\449logrv.ini
                            • Size 872B
                            • SHA256 ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb
                            • MD5 SHA1 SHA512 TLSH

                            memory/220-27-0x0000000000AD0000-0x0000000000AF7000-memory.dmp

                            memory/220-28-0x0000000001280000-0x00000000012AF000-memory.dmp

                            memory/220-26-0x0000000000AD0000-0x0000000000AF7000-memory.dmp

                            memory/1048-47-0x0000000000400000-0x000000000042F000-memory.dmp

                            memory/1440-80-0x0000000000AD0000-0x0000000000AF7000-memory.dmp

                            memory/2596-16-0x00000230CE790000-0x00000230CE7A0000-memory.dmp

                            memory/2596-23-0x00000230CE790000-0x00000230CE7A0000-memory.dmp

                            memory/2596-1-0x00000230CE790000-0x00000230CE7A0000-memory.dmp

                            memory/2596-9-0x00000230CE740000-0x00000230CE762000-memory.dmp

                            memory/2596-12-0x00000230CE790000-0x00000230CE7A0000-memory.dmp

                            memory/2596-22-0x00000230CE790000-0x00000230CE7A0000-memory.dmp

                            memory/2596-13-0x00000230CE770000-0x00000230CE78A000-memory.dmp

                            memory/2596-2-0x00000230CE790000-0x00000230CE7A0000-memory.dmp

                            memory/2596-14-0x00000230CE790000-0x00000230CE7A0000-memory.dmp

                            memory/2596-17-0x00000230CE790000-0x00000230CE7A0000-memory.dmp

                            memory/2824-89-0x0000000000750000-0x000000000088A000-memory.dmp

                            memory/2824-90-0x0000000000750000-0x000000000088A000-memory.dmp

                            memory/3244-85-0x00000000094A0000-0x0000000009577000-memory.dmp

                            memory/3244-24-0x00000000098D0000-0x0000000009A6F000-memory.dmp

                            memory/3244-46-0x00000000098D0000-0x0000000009A6F000-memory.dmp

                            memory/3244-65-0x00000000094A0000-0x0000000009577000-memory.dmp

                            memory/3244-56-0x00000000094A0000-0x0000000009577000-memory.dmp

                            memory/3244-71-0x00000000094A0000-0x0000000009577000-memory.dmp

                            memory/3244-79-0x00000000094A0000-0x0000000009577000-memory.dmp

                            memory/3244-50-0x00000000094A0000-0x0000000009577000-memory.dmp

                            memory/3372-74-0x0000000000300000-0x0000000000327000-memory.dmp

                            memory/3396-51-0x0000000000530000-0x000000000053B000-memory.dmp

                            memory/4116-66-0x0000000000BE0000-0x0000000000BF9000-memory.dmp

                            memory/4140-20-0x0000000000400000-0x000000000042F000-memory.dmp

                            memory/4140-15-0x0000000000400000-0x000000000042F000-memory.dmp

                            memory/4140-18-0x00000000012F0000-0x000000000163A000-memory.dmp

                            memory/4140-21-0x0000000001830000-0x0000000001845000-memory.dmp

                            memory/4500-60-0x00000000002D0000-0x00000000002EF000-memory.dmp

                            memory/4500-59-0x00000000002D0000-0x00000000002EF000-memory.dmp

                            memory/4948-25-0x00000227B1500000-0x00000227B1542000-memory.dmp