Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 10:36

General

  • Target

    bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar

  • Size

    482KB

  • MD5

    5671c39350da5313eb5725698ef7eb11

  • SHA1

    de3cf3ee58d802660ed59c1a8a086e5b63c7c2b0

  • SHA256

    bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f

  • SHA512

    73b17bedb6c164f2d0b106d3f44a51cce76283640e5630668aa0d55863581a61432f745c782655e171114b2668155cb51f3c7c8df6df2ebb5bf7805c7fcb423c

  • SSDEEP

    6144:1C0YJxSdvu6wAk6HguiFuQDGctsa6551tr4Lz3GzcNso4Ry0cns5GIzi:9gS0hZuTQlt25ntrQ2zcNbyy0cns5lzi

Malware Config

Signatures

  • STRRAT

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

  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 22 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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3740
    • C:\Windows\system32\icacls.exe
      C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
      2⤵
      • Modifies file permissions
      PID:940
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar"
      2⤵
        PID:1020
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:860
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar"
            4⤵
            • Creates scheduled task(s)
            PID:4936
        • 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\bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar"
          3⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:888
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:208
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4196
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4068
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3780
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4620
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              5⤵
                PID:4064
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4340
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                5⤵
                  PID:4308

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

          Filesize

          46B

          MD5

          a6438ad4c8360d4540aed7698cab36a6

          SHA1

          59b0313046faa157bac7077c0f408c1a578338cf

          SHA256

          e9f31275bbf7f05aa689aeb0618999aa008682724044d5a3d22126158837c003

          SHA512

          b696d2129ff62d1af0ed01cd3494c79ef9fa9cfbde76546a854977cfa17ccafab9cdbab7e04cde3eda22ac2880e7bb4a5a592a8ed816ddf759c55f0ef50d3ad9

        • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna5428741707770222507.dll

          Filesize

          241KB

          MD5

          e02979ecd43bcc9061eb2b494ab5af50

          SHA1

          3122ac0e751660f646c73b10c4f79685aa65c545

          SHA256

          a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

          SHA512

          1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

        • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3906287020-2915474608-1755617787-1000\83aa4cc77f591dfc2374580bbd95f6ba_215f2dba-ef84-4dd1-b127-5f514a0c233b

          Filesize

          45B

          MD5

          c8366ae350e7019aefc9d1e6e6a498c6

          SHA1

          5731d8a3e6568a5f2dfbbc87e3db9637df280b61

          SHA256

          11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

          SHA512

          33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

        • memory/888-227-0x0000026CACD90000-0x0000026CACD91000-memory.dmp

          Filesize

          4KB

        • memory/888-262-0x0000026CACD90000-0x0000026CACD91000-memory.dmp

          Filesize

          4KB

        • memory/3740-120-0x00000274EA470000-0x00000274EA471000-memory.dmp

          Filesize

          4KB

        • memory/3740-20-0x00000274EBFA0000-0x00000274EBFB0000-memory.dmp

          Filesize

          64KB

        • memory/3740-14-0x00000274EBF80000-0x00000274EBF90000-memory.dmp

          Filesize

          64KB

        • memory/3740-16-0x00000274EBF90000-0x00000274EBFA0000-memory.dmp

          Filesize

          64KB

        • memory/3740-21-0x00000274EBFB0000-0x00000274EBFC0000-memory.dmp

          Filesize

          64KB

        • memory/3740-24-0x00000274EBFD0000-0x00000274EBFE0000-memory.dmp

          Filesize

          64KB

        • memory/3740-23-0x00000274EBFC0000-0x00000274EBFD0000-memory.dmp

          Filesize

          64KB

        • memory/3740-112-0x00000274EC0B0000-0x00000274EC0C0000-memory.dmp

          Filesize

          64KB

        • memory/3740-28-0x00000274EBFF0000-0x00000274EC000000-memory.dmp

          Filesize

          64KB

        • memory/3740-27-0x00000274EBFE0000-0x00000274EBFF0000-memory.dmp

          Filesize

          64KB

        • memory/3740-33-0x00000274EC010000-0x00000274EC020000-memory.dmp

          Filesize

          64KB

        • memory/3740-30-0x00000274EC000000-0x00000274EC010000-memory.dmp

          Filesize

          64KB

        • memory/3740-35-0x00000274EC020000-0x00000274EC030000-memory.dmp

          Filesize

          64KB

        • memory/3740-40-0x00000274EBF80000-0x00000274EBF90000-memory.dmp

          Filesize

          64KB

        • memory/3740-39-0x00000274EC040000-0x00000274EC050000-memory.dmp

          Filesize

          64KB

        • memory/3740-38-0x00000274EC030000-0x00000274EC040000-memory.dmp

          Filesize

          64KB

        • memory/3740-37-0x00000274EBD10000-0x00000274EBF80000-memory.dmp

          Filesize

          2.4MB

        • memory/3740-42-0x00000274EBF90000-0x00000274EBFA0000-memory.dmp

          Filesize

          64KB

        • memory/3740-45-0x00000274EC050000-0x00000274EC060000-memory.dmp

          Filesize

          64KB

        • memory/3740-46-0x00000274EC060000-0x00000274EC070000-memory.dmp

          Filesize

          64KB

        • memory/3740-43-0x00000274EBFA0000-0x00000274EBFB0000-memory.dmp

          Filesize

          64KB

        • memory/3740-50-0x00000274EC070000-0x00000274EC080000-memory.dmp

          Filesize

          64KB

        • memory/3740-49-0x00000274EBFB0000-0x00000274EBFC0000-memory.dmp

          Filesize

          64KB

        • memory/3740-53-0x00000274EC080000-0x00000274EC090000-memory.dmp

          Filesize

          64KB

        • memory/3740-52-0x00000274EBFD0000-0x00000274EBFE0000-memory.dmp

          Filesize

          64KB

        • memory/3740-51-0x00000274EBFC0000-0x00000274EBFD0000-memory.dmp

          Filesize

          64KB

        • memory/3740-61-0x00000274EC090000-0x00000274EC0A0000-memory.dmp

          Filesize

          64KB

        • memory/3740-60-0x00000274EBFF0000-0x00000274EC000000-memory.dmp

          Filesize

          64KB

        • memory/3740-66-0x00000274EC0B0000-0x00000274EC0C0000-memory.dmp

          Filesize

          64KB

        • memory/3740-70-0x00000274EA470000-0x00000274EA471000-memory.dmp

          Filesize

          4KB

        • memory/3740-78-0x00000274EC030000-0x00000274EC040000-memory.dmp

          Filesize

          64KB

        • memory/3740-77-0x00000274EC0F0000-0x00000274EC100000-memory.dmp

          Filesize

          64KB

        • memory/3740-84-0x00000274EC110000-0x00000274EC120000-memory.dmp

          Filesize

          64KB

        • memory/3740-89-0x00000274EC120000-0x00000274EC130000-memory.dmp

          Filesize

          64KB

        • memory/3740-88-0x00000274EC060000-0x00000274EC070000-memory.dmp

          Filesize

          64KB

        • memory/3740-83-0x00000274EC050000-0x00000274EC060000-memory.dmp

          Filesize

          64KB

        • memory/3740-82-0x00000274EC100000-0x00000274EC110000-memory.dmp

          Filesize

          64KB

        • memory/3740-81-0x00000274EC040000-0x00000274EC050000-memory.dmp

          Filesize

          64KB

        • memory/3740-93-0x00000274EA470000-0x00000274EA471000-memory.dmp

          Filesize

          4KB

        • memory/3740-92-0x00000274EC130000-0x00000274EC140000-memory.dmp

          Filesize

          64KB

        • memory/3740-97-0x00000274EC140000-0x00000274EC150000-memory.dmp

          Filesize

          64KB

        • memory/3740-96-0x00000274EC080000-0x00000274EC090000-memory.dmp

          Filesize

          64KB

        • memory/3740-91-0x00000274EC070000-0x00000274EC080000-memory.dmp

          Filesize

          64KB

        • memory/3740-103-0x00000274EC150000-0x00000274EC160000-memory.dmp

          Filesize

          64KB

        • memory/3740-105-0x00000274EC170000-0x00000274EC180000-memory.dmp

          Filesize

          64KB

        • memory/3740-117-0x00000274EC1C0000-0x00000274EC1D0000-memory.dmp

          Filesize

          64KB

        • memory/3740-116-0x00000274EC1B0000-0x00000274EC1C0000-memory.dmp

          Filesize

          64KB

        • memory/3740-115-0x00000274EC1A0000-0x00000274EC1B0000-memory.dmp

          Filesize

          64KB

        • memory/3740-111-0x00000274EC0A0000-0x00000274EC0B0000-memory.dmp

          Filesize

          64KB

        • memory/3740-2-0x00000274EBD10000-0x00000274EBF80000-memory.dmp

          Filesize

          2.4MB

        • memory/3740-128-0x00000274EC0D0000-0x00000274EC0E0000-memory.dmp

          Filesize

          64KB

        • memory/3740-12-0x00000274EA470000-0x00000274EA471000-memory.dmp

          Filesize

          4KB

        • memory/3740-114-0x00000274EC190000-0x00000274EC1A0000-memory.dmp

          Filesize

          64KB

        • memory/3740-104-0x00000274EC160000-0x00000274EC170000-memory.dmp

          Filesize

          64KB

        • memory/3740-102-0x00000274EC090000-0x00000274EC0A0000-memory.dmp

          Filesize

          64KB

        • memory/3740-76-0x00000274EC0E0000-0x00000274EC0F0000-memory.dmp

          Filesize

          64KB

        • memory/3740-75-0x00000274EC0D0000-0x00000274EC0E0000-memory.dmp

          Filesize

          64KB

        • memory/3740-74-0x00000274EC020000-0x00000274EC030000-memory.dmp

          Filesize

          64KB

        • memory/3740-124-0x00000274EA470000-0x00000274EA471000-memory.dmp

          Filesize

          4KB

        • memory/3740-126-0x00000274EC1D0000-0x00000274EC1E0000-memory.dmp

          Filesize

          64KB

        • memory/3740-125-0x00000274EC0C0000-0x00000274EC0D0000-memory.dmp

          Filesize

          64KB

        • memory/3740-68-0x00000274EC010000-0x00000274EC020000-memory.dmp

          Filesize

          64KB

        • memory/3740-69-0x00000274EC0C0000-0x00000274EC0D0000-memory.dmp

          Filesize

          64KB

        • memory/3740-65-0x00000274EC0A0000-0x00000274EC0B0000-memory.dmp

          Filesize

          64KB

        • memory/3740-64-0x00000274EC000000-0x00000274EC010000-memory.dmp

          Filesize

          64KB

        • memory/3740-59-0x00000274EBFE0000-0x00000274EBFF0000-memory.dmp

          Filesize

          64KB

        • memory/3740-113-0x00000274EC180000-0x00000274EC190000-memory.dmp

          Filesize

          64KB

        • memory/3740-130-0x00000274EC1E0000-0x00000274EC1F0000-memory.dmp

          Filesize

          64KB

        • memory/3740-129-0x00000274EC0E0000-0x00000274EC0F0000-memory.dmp

          Filesize

          64KB

        • memory/3740-133-0x00000274EC1F0000-0x00000274EC200000-memory.dmp

          Filesize

          64KB

        • memory/3740-132-0x00000274EC0F0000-0x00000274EC100000-memory.dmp

          Filesize

          64KB

        • memory/3740-137-0x00000274EC200000-0x00000274EC210000-memory.dmp

          Filesize

          64KB

        • memory/3740-136-0x00000274EC100000-0x00000274EC110000-memory.dmp

          Filesize

          64KB

        • memory/3740-140-0x00000274EC210000-0x00000274EC220000-memory.dmp

          Filesize

          64KB

        • memory/3740-139-0x00000274EC110000-0x00000274EC120000-memory.dmp

          Filesize

          64KB

        • memory/3740-143-0x00000274EC220000-0x00000274EC230000-memory.dmp

          Filesize

          64KB

        • memory/3740-142-0x00000274EC120000-0x00000274EC130000-memory.dmp

          Filesize

          64KB

        • memory/3740-146-0x00000274EC230000-0x00000274EC240000-memory.dmp

          Filesize

          64KB

        • memory/3740-145-0x00000274EC130000-0x00000274EC140000-memory.dmp

          Filesize

          64KB

        • memory/3740-148-0x00000274EA470000-0x00000274EA471000-memory.dmp

          Filesize

          4KB

        • memory/3740-155-0x00000274EC250000-0x00000274EC260000-memory.dmp

          Filesize

          64KB

        • memory/3740-154-0x00000274EC240000-0x00000274EC250000-memory.dmp

          Filesize

          64KB

        • memory/3740-153-0x00000274EC140000-0x00000274EC150000-memory.dmp

          Filesize

          64KB

        • memory/3740-162-0x00000274EC260000-0x00000274EC270000-memory.dmp

          Filesize

          64KB

        • memory/3740-161-0x00000274EC170000-0x00000274EC180000-memory.dmp

          Filesize

          64KB

        • memory/3740-160-0x00000274EC160000-0x00000274EC170000-memory.dmp

          Filesize

          64KB

        • memory/3740-159-0x00000274EC150000-0x00000274EC160000-memory.dmp

          Filesize

          64KB

        • memory/3740-167-0x00000274EA470000-0x00000274EA471000-memory.dmp

          Filesize

          4KB

        • memory/3740-169-0x00000274EC180000-0x00000274EC190000-memory.dmp

          Filesize

          64KB

        • memory/3740-172-0x00000274EC1B0000-0x00000274EC1C0000-memory.dmp

          Filesize

          64KB

        • memory/3740-173-0x00000274EC1C0000-0x00000274EC1D0000-memory.dmp

          Filesize

          64KB

        • memory/3740-171-0x00000274EC1A0000-0x00000274EC1B0000-memory.dmp

          Filesize

          64KB

        • memory/3740-170-0x00000274EC190000-0x00000274EC1A0000-memory.dmp

          Filesize

          64KB

        • memory/3740-178-0x00000274EC270000-0x00000274EC280000-memory.dmp

          Filesize

          64KB

        • memory/3740-187-0x00000274EBFE0000-0x00000274EBFF0000-memory.dmp

          Filesize

          64KB

        • memory/3740-186-0x00000274EBFD0000-0x00000274EBFE0000-memory.dmp

          Filesize

          64KB

        • memory/3740-185-0x00000274EBFC0000-0x00000274EBFD0000-memory.dmp

          Filesize

          64KB

        • memory/3740-184-0x00000274EBFA0000-0x00000274EBFB0000-memory.dmp

          Filesize

          64KB

        • memory/3740-183-0x00000274EBFB0000-0x00000274EBFC0000-memory.dmp

          Filesize

          64KB

        • memory/3740-182-0x00000274EBF90000-0x00000274EBFA0000-memory.dmp

          Filesize

          64KB

        • memory/3740-181-0x00000274EBF80000-0x00000274EBF90000-memory.dmp

          Filesize

          64KB

        • memory/3740-180-0x00000274EC040000-0x00000274EC050000-memory.dmp

          Filesize

          64KB

        • memory/3740-179-0x00000274EA470000-0x00000274EA471000-memory.dmp

          Filesize

          4KB

        • memory/3740-177-0x00000274EC1D0000-0x00000274EC1E0000-memory.dmp

          Filesize

          64KB