Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/06/2023, 09:21

General

  • Target
    SOLICITUD PEDID0 MATERIAL_.jar
  • Size 218KB
  • Sample230616-lbbqaaeb94
  • SHA256 a08c27a08f892a86b05cf016579eb2e0fa15325680c6cc0138cffc5c5800eee2
  • 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.

  • 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 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:\ProgramData\Oracle\Java\javapath\java.exe
    java -jar "C:\Users\Admin\AppData\Local\Temp\SOLICITUD PEDID0 MATERIAL_.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
      "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\SOLICITUD PEDID0 MATERIAL_.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:5028
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\SOLICITUD PEDID0 MATERIAL_.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4540
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\SOLICITUD PEDID0 MATERIAL_.jar"
          4⤵
          • Creates scheduled task(s)
          PID:1280
      • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
        "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\SOLICITUD PEDID0 MATERIAL_.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:5112
        • 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:3216
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2436
        • 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:2568
          • 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:1432
        • 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:1288
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:1408
          • 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:4932
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:4324

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            90737d32e3aba4b.timestamp

            • Path C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
            • Size 50B
            • SHA256 f9e6d2248e49c00895170d1e01f44c1c806be1d7fb6b7ef3cd7c41e78dd3c800
            • MD5 SHA1 SHA512

            90737d32e3aba4b.timestamp

            • Path C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
            • Size 50B
            • SHA256 5c8b48aa269007a0a92d34c9dc07db480a757f4c6af8d409063bc0a30aafb7d3
            • MD5 SHA1 SHA512

            jna1454675194221154951.dll

            • Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna1454675194221154951.dll
            • Size 241KB
            • SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
            • MD5 SHA1 SHA512 SSDEEP

            83aa4cc77f591dfc2374580bbd95f6ba_7669410e-8e67-41c6-8402-7b5abeec199f

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2805025096-2326403612-4231045514-1000\83aa4cc77f591dfc2374580bbd95f6ba_7669410e-8e67-41c6-8402-7b5abeec199f
            • Size 45B
            • SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
            • MD5 SHA1 SHA512

            SOLICITUD PEDID0 MATERIAL_.jar

            • Path C:\Users\Admin\AppData\Roaming\SOLICITUD PEDID0 MATERIAL_.jar
            • Size 218KB
            • SHA256 a08c27a08f892a86b05cf016579eb2e0fa15325680c6cc0138cffc5c5800eee2
            • MD5 SHA1 SHA512 SSDEEP

            SOLICITUD PEDID0 MATERIAL_.jar

            • Path C:\Users\Admin\AppData\Roaming\SOLICITUD PEDID0 MATERIAL_.jar
            • Size 218KB
            • SHA256 a08c27a08f892a86b05cf016579eb2e0fa15325680c6cc0138cffc5c5800eee2
            • MD5 SHA1 SHA512 SSDEEP

            jna-5.5.0.jar

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

            SOLICITUD PEDID0 MATERIAL_.jar

            • Path C:\Users\Admin\SOLICITUD PEDID0 MATERIAL_.jar
            • Size 218KB
            • SHA256 a08c27a08f892a86b05cf016579eb2e0fa15325680c6cc0138cffc5c5800eee2
            • 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/2736-199-0x00000000016B0000-0x00000000016B1000-memory.dmp

            memory/2736-192-0x00000000016B0000-0x00000000016B1000-memory.dmp

            memory/2736-163-0x00000000016B0000-0x00000000016B1000-memory.dmp

            memory/2736-203-0x00000000016B0000-0x00000000016B1000-memory.dmp

            memory/2736-202-0x00000000016B0000-0x00000000016B1000-memory.dmp

            memory/2736-205-0x00000000016B0000-0x00000000016B1000-memory.dmp

            memory/2736-196-0x00000000016B0000-0x00000000016B1000-memory.dmp

            memory/2736-143-0x00000000016B0000-0x00000000016B1000-memory.dmp

            memory/2736-184-0x00000000016B0000-0x00000000016B1000-memory.dmp

            memory/2736-183-0x00000000016B0000-0x00000000016B1000-memory.dmp

            memory/2736-177-0x00000000016B0000-0x00000000016B1000-memory.dmp

            memory/5028-222-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

            memory/5112-252-0x00000000026E0000-0x00000000026E1000-memory.dmp

            memory/5112-271-0x00000000026E0000-0x00000000026E1000-memory.dmp