Analysis

  • max time kernel
    145s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/07/2024, 03:17

General

  • Target
    PL#40704.jar
  • Size 400KB
  • Sample240730-dthbsatdpq
  • SHA256 4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • STRRAT

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

  • Drops startup file 1 IoCs
  • Loads dropped DLL 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.

  • Scheduled Task/Job: Scheduled Task 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 24 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\PL#40704.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\PL#40704.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4548
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PL#40704.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:372
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PL#40704.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4308
      • 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\PL#40704.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2268
        • 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:4672
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4432
        • 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:4808
          • 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:3172
        • 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:1120
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:2428
          • 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:1348
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:1096

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            jna4929055433677142835.dll

            • Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna4929055433677142835.dll
            • Size 241KB
            • SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
            • MD5 SHA1 SHA512 SSDEEP

            83aa4cc77f591dfc2374580bbd95f6ba_788ae237-ee4c-4efc-8ed7-d59fbc591025

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2990742725-2267136959-192470804-1000\83aa4cc77f591dfc2374580bbd95f6ba_788ae237-ee4c-4efc-8ed7-d59fbc591025
            • Size 45B
            • SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
            • MD5 SHA1 SHA512

            PL#40704.jar

            • Path C:\Users\Admin\PL#40704.jar
            • Size 400KB
            • SHA256 4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd
            • MD5 SHA1 SHA512 SSDEEP

            jna-5.5.0.jar

            • Path C:\Users\Admin\lib\jna-5.5.0.jar
            • Size 1.4MB
            • SHA256 b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
            • MD5 SHA1 SHA512 SSDEEP

            jna-platform-5.5.0.jar

            • Path C:\Users\Admin\lib\jna-platform-5.5.0.jar
            • Size 2.6MB
            • SHA256 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
            • MD5 SHA1 SHA512 SSDEEP

            sqlite-jdbc-3.14.2.1.jar

            • Path C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
            • Size 4.1MB
            • SHA256 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
            • MD5 SHA1 SHA512 SSDEEP

            system-hook-3.5.jar

            • Path C:\Users\Admin\lib\system-hook-3.5.jar
            • Size 772KB
            • SHA256 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
            • MD5 SHA1 SHA512 SSDEEP

            memory/2032-99-0x0000024564A60000-0x0000024564A70000-memory.dmp

            memory/2032-14-0x0000024564960000-0x0000024564970000-memory.dmp

            memory/2032-22-0x00000245649A0000-0x00000245649B0000-memory.dmp

            memory/2032-23-0x00000245649B0000-0x00000245649C0000-memory.dmp

            memory/2032-18-0x0000024564980000-0x0000024564990000-memory.dmp

            memory/2032-31-0x00000245649F0000-0x0000024564A00000-memory.dmp

            memory/2032-30-0x00000245649E0000-0x00000245649F0000-memory.dmp

            memory/2032-29-0x00000245649D0000-0x00000245649E0000-memory.dmp

            memory/2032-28-0x00000245649C0000-0x00000245649D0000-memory.dmp

            memory/2032-36-0x0000024564A00000-0x0000024564A10000-memory.dmp

            memory/2032-38-0x0000024564A20000-0x0000024564A30000-memory.dmp

            memory/2032-42-0x0000024564A40000-0x0000024564A50000-memory.dmp

            memory/2032-41-0x0000024564A30000-0x0000024564A40000-memory.dmp

            memory/2032-43-0x0000024564A50000-0x0000024564A60000-memory.dmp

            memory/2032-37-0x0000024564A10000-0x0000024564A20000-memory.dmp

            memory/2032-45-0x0000024564A60000-0x0000024564A70000-memory.dmp

            memory/2032-51-0x0000024564A70000-0x0000024564A80000-memory.dmp

            memory/2032-54-0x0000024562E30000-0x0000024562E31000-memory.dmp

            memory/2032-56-0x00000245646F0000-0x0000024564960000-memory.dmp

            memory/2032-61-0x0000024564970000-0x0000024564980000-memory.dmp

            memory/2032-60-0x0000024564960000-0x0000024564970000-memory.dmp

            memory/2032-59-0x0000024564AA0000-0x0000024564AB0000-memory.dmp

            memory/2032-58-0x0000024564A90000-0x0000024564AA0000-memory.dmp

            memory/2032-57-0x0000024564A80000-0x0000024564A90000-memory.dmp

            memory/2032-63-0x0000024564980000-0x0000024564990000-memory.dmp

            memory/2032-65-0x0000024564AB0000-0x0000024564AC0000-memory.dmp

            memory/2032-64-0x0000024564990000-0x00000245649A0000-memory.dmp

            memory/2032-73-0x0000024564AD0000-0x0000024564AE0000-memory.dmp

            memory/2032-79-0x00000245649F0000-0x0000024564A00000-memory.dmp

            memory/2032-85-0x0000024564B00000-0x0000024564B10000-memory.dmp

            memory/2032-84-0x0000024564A20000-0x0000024564A30000-memory.dmp

            memory/2032-83-0x0000024564A10000-0x0000024564A20000-memory.dmp

            memory/2032-89-0x0000024564A30000-0x0000024564A40000-memory.dmp

            memory/2032-92-0x0000024564B20000-0x0000024564B30000-memory.dmp

            memory/2032-91-0x0000024564B10000-0x0000024564B20000-memory.dmp

            memory/2032-90-0x0000024564A40000-0x0000024564A50000-memory.dmp

            memory/2032-82-0x0000024564A00000-0x0000024564A10000-memory.dmp

            memory/2032-78-0x00000245649E0000-0x00000245649F0000-memory.dmp

            memory/2032-77-0x00000245649D0000-0x00000245649E0000-memory.dmp

            memory/2032-76-0x00000245649C0000-0x00000245649D0000-memory.dmp

            memory/2032-75-0x0000024564AF0000-0x0000024564B00000-memory.dmp

            memory/2032-74-0x0000024564AE0000-0x0000024564AF0000-memory.dmp

            memory/2032-72-0x0000024564AC0000-0x0000024564AD0000-memory.dmp

            memory/2032-71-0x00000245649B0000-0x00000245649C0000-memory.dmp

            memory/2032-70-0x00000245649A0000-0x00000245649B0000-memory.dmp

            memory/2032-95-0x0000024564B30000-0x0000024564B40000-memory.dmp

            memory/2032-94-0x0000024564A50000-0x0000024564A60000-memory.dmp

            memory/2032-96-0x0000024562E30000-0x0000024562E31000-memory.dmp

            memory/2032-15-0x0000024564970000-0x0000024564980000-memory.dmp

            memory/2032-100-0x0000024564B40000-0x0000024564B50000-memory.dmp

            memory/2032-103-0x0000024564A70000-0x0000024564A80000-memory.dmp

            memory/2032-104-0x0000024564B50000-0x0000024564B60000-memory.dmp

            memory/2032-19-0x0000024564990000-0x00000245649A0000-memory.dmp

            memory/2032-108-0x0000024564A80000-0x0000024564A90000-memory.dmp

            memory/2032-129-0x0000024564BB0000-0x0000024564BC0000-memory.dmp

            memory/2032-116-0x0000024564BA0000-0x0000024564BB0000-memory.dmp

            memory/2032-115-0x0000024564B80000-0x0000024564B90000-memory.dmp

            memory/2032-114-0x0000024564B70000-0x0000024564B80000-memory.dmp

            memory/2032-111-0x0000024564AA0000-0x0000024564AB0000-memory.dmp

            memory/2032-118-0x0000024564B90000-0x0000024564BA0000-memory.dmp

            memory/2032-128-0x0000024564AE0000-0x0000024564AF0000-memory.dmp

            memory/2032-127-0x0000024564AD0000-0x0000024564AE0000-memory.dmp

            memory/2032-126-0x0000024564AC0000-0x0000024564AD0000-memory.dmp

            memory/2032-125-0x0000024562E30000-0x0000024562E31000-memory.dmp

            memory/2032-110-0x0000024564B60000-0x0000024564B70000-memory.dmp

            memory/2032-109-0x0000024564A90000-0x0000024564AA0000-memory.dmp

            memory/2032-130-0x0000024562E30000-0x0000024562E31000-memory.dmp

            memory/2032-133-0x0000024564BC0000-0x0000024564BD0000-memory.dmp

            memory/2032-132-0x0000024564AF0000-0x0000024564B00000-memory.dmp

            memory/2032-136-0x0000024564BD0000-0x0000024564BE0000-memory.dmp

            memory/2032-135-0x0000024564B00000-0x0000024564B10000-memory.dmp

            memory/2032-140-0x0000024564BE0000-0x0000024564BF0000-memory.dmp

            memory/2032-139-0x0000024564B20000-0x0000024564B30000-memory.dmp

            memory/2032-138-0x0000024564B10000-0x0000024564B20000-memory.dmp

            memory/2032-143-0x0000024564BF0000-0x0000024564C00000-memory.dmp

            memory/2032-142-0x0000024564B30000-0x0000024564B40000-memory.dmp

            memory/2032-145-0x0000024564B40000-0x0000024564B50000-memory.dmp

            memory/2032-146-0x0000024564C00000-0x0000024564C10000-memory.dmp

            memory/2032-147-0x0000024562E30000-0x0000024562E31000-memory.dmp

            memory/2032-153-0x0000024564C10000-0x0000024564C20000-memory.dmp

            memory/2032-152-0x0000024564B50000-0x0000024564B60000-memory.dmp

            memory/2032-161-0x0000024564BA0000-0x0000024564BB0000-memory.dmp

            memory/2032-160-0x0000024564C30000-0x0000024564C40000-memory.dmp

            memory/2032-159-0x0000024564B80000-0x0000024564B90000-memory.dmp

            memory/2032-158-0x0000024564C20000-0x0000024564C30000-memory.dmp

            memory/2032-157-0x0000024564B70000-0x0000024564B80000-memory.dmp

            memory/2032-156-0x0000024564B60000-0x0000024564B70000-memory.dmp

            memory/2032-165-0x0000024564C40000-0x0000024564C50000-memory.dmp

            memory/2032-164-0x0000024564B90000-0x0000024564BA0000-memory.dmp

            memory/2032-167-0x0000024564BB0000-0x0000024564BC0000-memory.dmp

            memory/2032-168-0x0000024564C50000-0x0000024564C60000-memory.dmp

            memory/2032-170-0x0000024564BC0000-0x0000024564BD0000-memory.dmp

            memory/2032-171-0x0000024564C60000-0x0000024564C70000-memory.dmp

            memory/2032-178-0x0000024562E30000-0x0000024562E31000-memory.dmp

            memory/2032-180-0x0000024564BD0000-0x0000024564BE0000-memory.dmp

            memory/2032-184-0x0000024564BE0000-0x0000024564BF0000-memory.dmp

            memory/2032-119-0x0000024564AB0000-0x0000024564AC0000-memory.dmp

            memory/2032-185-0x0000024564C70000-0x0000024564C80000-memory.dmp

            memory/2032-186-0x0000024562E30000-0x0000024562E31000-memory.dmp

            memory/2032-189-0x0000024564970000-0x0000024564980000-memory.dmp

            memory/2032-188-0x0000024564960000-0x0000024564970000-memory.dmp

            memory/2032-187-0x0000024564B90000-0x0000024564BA0000-memory.dmp

            memory/2032-2-0x00000245646F0000-0x0000024564960000-memory.dmp

            memory/2032-11-0x0000024562E30000-0x0000024562E31000-memory.dmp

            memory/2268-349-0x00000254E6550000-0x00000254E6551000-memory.dmp

            memory/2268-382-0x00000254E6550000-0x00000254E6551000-memory.dmp

            memory/4548-293-0x000001132EC40000-0x000001132EC41000-memory.dmp