Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/06/2024, 03:45

General

  • Target
    f8594a3befdb1650618150f76d924aa2ef568676dee558b9c2640900eb00aa27.js
  • Size 829KB
  • Sample240608-ea8kashe24
  • SHA256 f8594a3befdb1650618150f76d924aa2ef568676dee558b9c2640900eb00aa27
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • STRRAT

    STRRAT is a remote access tool than can steal credentials and log keystrokes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\f8594a3befdb1650618150f76d924aa2ef568676dee558b9c2640900eb00aa27.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4176
    • C:\Program Files\Java\jre-1.8\bin\javaw.exe
      "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\iedldikvcw.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2240
      • C:\Windows\system32\icacls.exe
        C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
        3⤵
        • Modifies file permissions
        PID:2140
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\iedldikvcw.txt"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4956
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\iedldikvcw.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1604
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\iedldikvcw.txt"
            5⤵
            • Creates scheduled task(s)
            PID:2184
        • C:\Program Files\Java\jre-1.8\bin\java.exe
          "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\iedldikvcw.txt"
          4⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:3424
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2152
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:708
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1128
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4536
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2252
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:1484
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:3456
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                6⤵
                  PID:4176
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3936 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:2120

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              jna3875268021522420304.dll

              • Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna3875268021522420304.dll
              • Size 241KB
              • SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
              • MD5 SHA1 SHA512 SSDEEP

              jna3875268021522420304.dll

              • Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna3875268021522420304.dll
              • Size 128KB
              • SHA256 27327bc60fa4b8a4cee82191396d43807bb102c47f3cf15739500ab5a9333430
              • MD5 SHA1 SHA512 SSDEEP

              83aa4cc77f591dfc2374580bbd95f6ba_2397ee06-28fe-4eaa-8777-f7014368c353

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3808065738-1666277613-1125846146-1000\83aa4cc77f591dfc2374580bbd95f6ba_2397ee06-28fe-4eaa-8777-f7014368c353
              • Size 45B
              • SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
              • MD5 SHA1 SHA512

              iedldikvcw.txt

              • Path C:\Users\Admin\AppData\Roaming\iedldikvcw.txt
              • Size 92KB
              • SHA256 e14f1c7e11a1f1ddd570d605e4204a694a7370d603c1b1ca157e505f180ccc48
              • MD5 SHA1 SHA512 SSDEEP

              jna-platform-5.5.0.jar

              • Path C:\Users\Admin\AppData\Roaming\lib\jna-platform-5.5.0.jar
              • Size 448KB
              • SHA256 13d2d4d031311cf092612de97b0032a39fc510d70807e8e93160cb78a10b2da9
              • MD5 SHA1 SHA512 SSDEEP

              sqlite-jdbc-3.14.2.1.jar

              • Path C:\Users\Admin\AppData\Roaming\lib\sqlite-jdbc-3.14.2.1.jar
              • Size 128KB
              • SHA256 f515afdd015656cf6e822e51ab416cb45799ab6e7117b22a9eca6d6ff6312951
              • MD5 SHA1 SHA512 SSDEEP

              jna-5.5.0.jar

              • Path C:\Users\Admin\lib\jna-5.5.0.jar
              • Size 448KB
              • SHA256 0a572390f049c057f901808fc412e3ccf13ded78ffcd2b9bcb810ae2677c103d
              • MD5 SHA1 SHA512 SSDEEP

              jna-platform-5.5.0.jar

              • Path C:\Users\Admin\lib\jna-platform-5.5.0.jar
              • Size 128KB
              • SHA256 a0e74ee9f30f4c3d179e1b4a5b185817ddf40371343f262eb0fb8c8ddd25f8ed
              • MD5 SHA1 SHA512 SSDEEP

              sqlite-jdbc-3.14.2.1.jar

              • Path C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
              • Size 192KB
              • SHA256 7c7109d54f7724a9ddf2d4c6898621defa6ec12c72aefcdf20b0745d3f943980
              • MD5 SHA1 SHA512 SSDEEP

              system-hook-3.5.jar

              • Path C:\Users\Admin\lib\system-hook-3.5.jar
              • Size 128KB
              • SHA256 58e6025c1bd4fb06e5574d33d3b59d03945261cc324aa82bc959551d65c8dabe
              • MD5 SHA1 SHA512 SSDEEP

              memory/2240-132-0x000001A9D3FB0000-0x000001A9D3FC0000-memory.dmp

              memory/2240-42-0x000001A9D3E40000-0x000001A9D3E50000-memory.dmp

              memory/2240-26-0x000001A9D3DF0000-0x000001A9D3E00000-memory.dmp

              memory/2240-28-0x000001A9D3E00000-0x000001A9D3E10000-memory.dmp

              memory/2240-16-0x000001A9D3DA0000-0x000001A9D3DB0000-memory.dmp

              memory/2240-31-0x000001A9D3E10000-0x000001A9D3E20000-memory.dmp

              memory/2240-36-0x000001A9D3B10000-0x000001A9D3B11000-memory.dmp

              memory/2240-43-0x000001A9D3E30000-0x000001A9D3E40000-memory.dmp

              memory/2240-48-0x000001A9D3E60000-0x000001A9D3E70000-memory.dmp

              memory/2240-53-0x000001A9D3E80000-0x000001A9D3E90000-memory.dmp

              memory/2240-57-0x000001A9D3E90000-0x000001A9D3EA0000-memory.dmp

              memory/2240-64-0x000001A9D3EC0000-0x000001A9D3ED0000-memory.dmp

              memory/2240-63-0x000001A9D3EB0000-0x000001A9D3EC0000-memory.dmp

              memory/2240-62-0x000001A9D3DF0000-0x000001A9D3E00000-memory.dmp

              memory/2240-60-0x000001A9D3EA0000-0x000001A9D3EB0000-memory.dmp

              memory/2240-58-0x000001A9D3DE0000-0x000001A9D3DF0000-memory.dmp

              memory/2240-56-0x000001A9D3DD0000-0x000001A9D3DE0000-memory.dmp

              memory/2240-52-0x000001A9D3DC0000-0x000001A9D3DD0000-memory.dmp

              memory/2240-51-0x000001A9D3E70000-0x000001A9D3E80000-memory.dmp

              memory/2240-50-0x000001A9D3DB0000-0x000001A9D3DC0000-memory.dmp

              memory/2240-47-0x000001A9D3E50000-0x000001A9D3E60000-memory.dmp

              memory/2240-46-0x000001A9D3DA0000-0x000001A9D3DB0000-memory.dmp

              memory/2240-69-0x000001A9D3ED0000-0x000001A9D3EE0000-memory.dmp

              memory/2240-68-0x000001A9D3E00000-0x000001A9D3E10000-memory.dmp

              memory/2240-40-0x000001A9D3B30000-0x000001A9D3DA0000-memory.dmp

              memory/2240-109-0x000001A9D3B10000-0x000001A9D3B11000-memory.dmp

              memory/2240-41-0x000001A9D3E20000-0x000001A9D3E30000-memory.dmp

              memory/2240-75-0x000001A9D3EE0000-0x000001A9D3EF0000-memory.dmp

              memory/2240-74-0x000001A9D3E10000-0x000001A9D3E20000-memory.dmp

              memory/2240-79-0x000001A9D3E40000-0x000001A9D3E50000-memory.dmp

              memory/2240-87-0x000001A9D3F10000-0x000001A9D3F20000-memory.dmp

              memory/2240-90-0x000001A9D3F20000-0x000001A9D3F30000-memory.dmp

              memory/2240-94-0x000001A9D3F40000-0x000001A9D3F50000-memory.dmp

              memory/2240-100-0x000001A9D3B10000-0x000001A9D3B11000-memory.dmp

              memory/2240-101-0x000001A9D3E90000-0x000001A9D3EA0000-memory.dmp

              memory/2240-102-0x000001A9D3F50000-0x000001A9D3F60000-memory.dmp

              memory/2240-93-0x000001A9D3F30000-0x000001A9D3F40000-memory.dmp

              memory/2240-92-0x000001A9D3E80000-0x000001A9D3E90000-memory.dmp

              memory/2240-104-0x000001A9D3B10000-0x000001A9D3B11000-memory.dmp

              memory/2240-107-0x000001A9D3F60000-0x000001A9D3F70000-memory.dmp

              memory/2240-112-0x000001A9D3F70000-0x000001A9D3F80000-memory.dmp

              memory/2240-111-0x000001A9D3EC0000-0x000001A9D3ED0000-memory.dmp

              memory/2240-117-0x000001A9D3F80000-0x000001A9D3F90000-memory.dmp

              memory/2240-116-0x000001A9D3ED0000-0x000001A9D3EE0000-memory.dmp

              memory/2240-115-0x000001A9D3B10000-0x000001A9D3B11000-memory.dmp

              memory/2240-110-0x000001A9D3EB0000-0x000001A9D3EC0000-memory.dmp

              memory/2240-123-0x000001A9D3F90000-0x000001A9D3FA0000-memory.dmp

              memory/2240-125-0x000001A9D3B10000-0x000001A9D3B11000-memory.dmp

              memory/2240-122-0x000001A9D3EE0000-0x000001A9D3EF0000-memory.dmp

              memory/2240-24-0x000001A9D3DE0000-0x000001A9D3DF0000-memory.dmp

              memory/2240-138-0x000001A9D3FD0000-0x000001A9D3FE0000-memory.dmp

              memory/2240-137-0x000001A9D3F00000-0x000001A9D3F10000-memory.dmp

              memory/2240-131-0x000001A9D3EF0000-0x000001A9D3F00000-memory.dmp

              memory/2240-124-0x000001A9D3FA0000-0x000001A9D3FB0000-memory.dmp

              memory/2240-133-0x000001A9D3FC0000-0x000001A9D3FD0000-memory.dmp

              memory/2240-19-0x000001A9D3DB0000-0x000001A9D3DC0000-memory.dmp

              memory/2240-106-0x000001A9D3EA0000-0x000001A9D3EB0000-memory.dmp

              memory/2240-105-0x000001A9D3B10000-0x000001A9D3B11000-memory.dmp

              memory/2240-86-0x000001A9D3E70000-0x000001A9D3E80000-memory.dmp

              memory/2240-85-0x000001A9D3E60000-0x000001A9D3E70000-memory.dmp

              memory/2240-84-0x000001A9D3E50000-0x000001A9D3E60000-memory.dmp

              memory/2240-82-0x000001A9D3F00000-0x000001A9D3F10000-memory.dmp

              memory/2240-81-0x000001A9D3E30000-0x000001A9D3E40000-memory.dmp

              memory/2240-80-0x000001A9D3EF0000-0x000001A9D3F00000-memory.dmp

              memory/2240-78-0x000001A9D3E20000-0x000001A9D3E30000-memory.dmp

              memory/2240-142-0x000001A9D3B10000-0x000001A9D3B11000-memory.dmp

              memory/2240-143-0x000001A9D3F10000-0x000001A9D3F20000-memory.dmp

              memory/2240-153-0x000001A9D3E00000-0x000001A9D3E10000-memory.dmp

              memory/2240-178-0x000001A9D3FD0000-0x000001A9D3FE0000-memory.dmp

              memory/2240-177-0x000001A9D3FC0000-0x000001A9D3FD0000-memory.dmp

              memory/2240-176-0x000001A9D3FB0000-0x000001A9D3FC0000-memory.dmp

              memory/2240-175-0x000001A9D3FA0000-0x000001A9D3FB0000-memory.dmp

              memory/2240-174-0x000001A9D3F90000-0x000001A9D3FA0000-memory.dmp

              memory/2240-173-0x000001A9D3F80000-0x000001A9D3F90000-memory.dmp

              memory/2240-172-0x000001A9D3F70000-0x000001A9D3F80000-memory.dmp

              memory/2240-171-0x000001A9D3F60000-0x000001A9D3F70000-memory.dmp

              memory/2240-170-0x000001A9D3F50000-0x000001A9D3F60000-memory.dmp

              memory/2240-169-0x000001A9D3F40000-0x000001A9D3F50000-memory.dmp

              memory/2240-168-0x000001A9D3F30000-0x000001A9D3F40000-memory.dmp

              memory/2240-167-0x000001A9D3F20000-0x000001A9D3F30000-memory.dmp

              memory/2240-166-0x000001A9D3E40000-0x000001A9D3E50000-memory.dmp

              memory/2240-165-0x000001A9D3EE0000-0x000001A9D3EF0000-memory.dmp

              memory/2240-162-0x000001A9D3EA0000-0x000001A9D3EB0000-memory.dmp

              memory/2240-161-0x000001A9D3E90000-0x000001A9D3EA0000-memory.dmp

              memory/2240-160-0x000001A9D3E70000-0x000001A9D3E80000-memory.dmp

              memory/2240-4-0x000001A9D3B30000-0x000001A9D3DA0000-memory.dmp

              memory/2240-159-0x000001A9D3E80000-0x000001A9D3E90000-memory.dmp

              memory/2240-158-0x000001A9D3E60000-0x000001A9D3E70000-memory.dmp

              memory/2240-157-0x000001A9D3E50000-0x000001A9D3E60000-memory.dmp

              memory/2240-156-0x000001A9D3B30000-0x000001A9D3DA0000-memory.dmp

              memory/2240-164-0x000001A9D3EC0000-0x000001A9D3ED0000-memory.dmp

              memory/2240-163-0x000001A9D3EB0000-0x000001A9D3EC0000-memory.dmp

              memory/2240-155-0x000001A9D3E20000-0x000001A9D3E30000-memory.dmp

              memory/2240-154-0x000001A9D3E10000-0x000001A9D3E20000-memory.dmp

              memory/2240-152-0x000001A9D3DF0000-0x000001A9D3E00000-memory.dmp

              memory/2240-13-0x000001A9D3B10000-0x000001A9D3B11000-memory.dmp

              memory/2240-151-0x000001A9D3DE0000-0x000001A9D3DF0000-memory.dmp

              memory/2240-22-0x000001A9D3DD0000-0x000001A9D3DE0000-memory.dmp

              memory/2240-150-0x000001A9D3DD0000-0x000001A9D3DE0000-memory.dmp

              memory/2240-149-0x000001A9D3DC0000-0x000001A9D3DD0000-memory.dmp

              memory/2240-148-0x000001A9D3DB0000-0x000001A9D3DC0000-memory.dmp

              memory/2240-147-0x000001A9D3DA0000-0x000001A9D3DB0000-memory.dmp

              memory/2240-146-0x000001A9D3E30000-0x000001A9D3E40000-memory.dmp

              memory/2240-145-0x000001A9D3B10000-0x000001A9D3B11000-memory.dmp

              memory/2240-20-0x000001A9D3DC0000-0x000001A9D3DD0000-memory.dmp

              memory/2240-14-0x000001A9D3B10000-0x000001A9D3B11000-memory.dmp

              memory/3424-252-0x000002221A1F0000-0x000002221A1F1000-memory.dmp

              memory/3424-277-0x000002221A1F0000-0x000002221A1F1000-memory.dmp

              memory/3424-278-0x000002221A1F0000-0x000002221A1F1000-memory.dmp

              memory/4956-230-0x0000024C9C510000-0x0000024C9C511000-memory.dmp

              memory/4956-205-0x0000024C9C510000-0x0000024C9C511000-memory.dmp

              memory/4956-197-0x0000024C9C510000-0x0000024C9C511000-memory.dmp