Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-08-2024 10:49

General

  • Target

    c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf.jar

  • Size

    400KB

  • MD5

    247581cc28bdbd4d432669ca5d588163

  • SHA1

    da0fb4d2b9659436cdad587689a26600aa52fe20

  • SHA256

    c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf

  • SHA512

    68281c5c48f0333943d24ad9d1e54196dbe809d43e3f9a170ee22cfc7b51350be001f7a68285e33752684ca00568419442c6bc05994f78e56bb32338e2f024e8

  • SSDEEP

    12288:QQeEHTT5f4YEDBA8v7m3zaWLckXP9iN43:QJgTT59ISjFP9Qu

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\c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3632
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2968
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4984
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:732
      • 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\c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1688
        • 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:3272
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2040
        • 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:824
          • 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:1372
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:2832
          • 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:2468
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:3020

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        0bb72e7c6211fc1636f1e81e1b2115aa

        SHA1

        fad02aefb2044b4433fd633d515dc0cabd1e6315

        SHA256

        2c52ef74e18d1c223b8a9086c5e95292ed6f8c9ccf38c26f6fe7f7be6585a01c

        SHA512

        2be2697c47114ca3cdaa226f7a89fe351a6b083dea0bac0ff0de295b6d46763640426f6fad4806bdc5074a18d807618591c06b6adb31627e95615baf329b2bdd

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

        Filesize

        46B

        MD5

        341671fee4ff8015a2f7ef830a204a2d

        SHA1

        a29d11a2dbb1c1e7a6b179f582799025876324ac

        SHA256

        4479a1a89ffb2bf017130decf631ed4fa748668f81a979bcd6dc8f0e845f9c2e

        SHA512

        dcfa2d70686c408cd4d65fa695131f7a5de00b7fa9b7aa1c976c202fb9220138a01fab384eb0932731a0e37c12c2b1b60bf8a87b177bb2c3ef5dea8a0c3d6387

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna8007453248009784958.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-945322488-2060912225-3527527000-1000\83aa4cc77f591dfc2374580bbd95f6ba_03d68389-5a68-4d9e-92ac-47b927e624dd

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf.jar

        Filesize

        400KB

        MD5

        247581cc28bdbd4d432669ca5d588163

        SHA1

        da0fb4d2b9659436cdad587689a26600aa52fe20

        SHA256

        c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf

        SHA512

        68281c5c48f0333943d24ad9d1e54196dbe809d43e3f9a170ee22cfc7b51350be001f7a68285e33752684ca00568419442c6bc05994f78e56bb32338e2f024e8

      • C:\Users\Admin\lib\jna-5.5.0.jar

        Filesize

        1.4MB

        MD5

        acfb5b5fd9ee10bf69497792fd469f85

        SHA1

        0e0845217c4907822403912ad6828d8e0b256208

        SHA256

        b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

        SHA512

        e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

      • C:\Users\Admin\lib\jna-platform-5.5.0.jar

        Filesize

        2.6MB

        MD5

        2f4a99c2758e72ee2b59a73586a2322f

        SHA1

        af38e7c4d0fc73c23ecd785443705bfdee5b90bf

        SHA256

        24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

        SHA512

        b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

      • C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar

        Filesize

        4.1MB

        MD5

        b33387e15ab150a7bf560abdc73c3bec

        SHA1

        66b8075784131f578ef893fd7674273f709b9a4c

        SHA256

        2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

        SHA512

        25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

      • C:\Users\Admin\lib\system-hook-3.5.jar

        Filesize

        772KB

        MD5

        e1aa38a1e78a76a6de73efae136cdb3a

        SHA1

        c463da71871f780b2e2e5dba115d43953b537daf

        SHA256

        2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

        SHA512

        fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

      • memory/1688-387-0x000002B6D4760000-0x000002B6D4761000-memory.dmp

        Filesize

        4KB

      • memory/1688-353-0x000002B6D4760000-0x000002B6D4761000-memory.dmp

        Filesize

        4KB

      • memory/2968-277-0x000001E27B0A0000-0x000001E27B0A1000-memory.dmp

        Filesize

        4KB

      • memory/3632-97-0x0000017243060000-0x0000017243070000-memory.dmp

        Filesize

        64KB

      • memory/3632-35-0x0000017242EB0000-0x0000017242EC0000-memory.dmp

        Filesize

        64KB

      • memory/3632-26-0x0000017242F10000-0x0000017242F20000-memory.dmp

        Filesize

        64KB

      • memory/3632-32-0x0000017242C40000-0x0000017242EB0000-memory.dmp

        Filesize

        2.4MB

      • memory/3632-31-0x0000017242F40000-0x0000017242F50000-memory.dmp

        Filesize

        64KB

      • memory/3632-121-0x00000172430F0000-0x0000017243100000-memory.dmp

        Filesize

        64KB

      • memory/3632-36-0x0000017242F50000-0x0000017242F60000-memory.dmp

        Filesize

        64KB

      • memory/3632-122-0x00000172430D0000-0x00000172430E0000-memory.dmp

        Filesize

        64KB

      • memory/3632-38-0x0000017242F60000-0x0000017242F70000-memory.dmp

        Filesize

        64KB

      • memory/3632-37-0x0000017242EC0000-0x0000017242ED0000-memory.dmp

        Filesize

        64KB

      • memory/3632-41-0x0000017242F70000-0x0000017242F80000-memory.dmp

        Filesize

        64KB

      • memory/3632-40-0x0000017242ED0000-0x0000017242EE0000-memory.dmp

        Filesize

        64KB

      • memory/3632-44-0x0000017242F80000-0x0000017242F90000-memory.dmp

        Filesize

        64KB

      • memory/3632-43-0x0000017242EE0000-0x0000017242EF0000-memory.dmp

        Filesize

        64KB

      • memory/3632-47-0x0000017242F90000-0x0000017242FA0000-memory.dmp

        Filesize

        64KB

      • memory/3632-46-0x0000017242EF0000-0x0000017242F00000-memory.dmp

        Filesize

        64KB

      • memory/3632-49-0x0000017242F00000-0x0000017242F10000-memory.dmp

        Filesize

        64KB

      • memory/3632-51-0x0000017242FA0000-0x0000017242FB0000-memory.dmp

        Filesize

        64KB

      • memory/3632-57-0x0000017242FB0000-0x0000017242FC0000-memory.dmp

        Filesize

        64KB

      • memory/3632-56-0x0000017242F20000-0x0000017242F30000-memory.dmp

        Filesize

        64KB

      • memory/3632-60-0x0000017241430000-0x0000017241431000-memory.dmp

        Filesize

        4KB

      • memory/3632-64-0x0000017242F40000-0x0000017242F50000-memory.dmp

        Filesize

        64KB

      • memory/3632-63-0x0000017242F30000-0x0000017242F40000-memory.dmp

        Filesize

        64KB

      • memory/3632-62-0x0000017242FD0000-0x0000017242FE0000-memory.dmp

        Filesize

        64KB

      • memory/3632-61-0x0000017242FC0000-0x0000017242FD0000-memory.dmp

        Filesize

        64KB

      • memory/3632-70-0x0000017242F50000-0x0000017242F60000-memory.dmp

        Filesize

        64KB

      • memory/3632-69-0x0000017242FF0000-0x0000017243000000-memory.dmp

        Filesize

        64KB

      • memory/3632-68-0x0000017242FE0000-0x0000017242FF0000-memory.dmp

        Filesize

        64KB

      • memory/3632-77-0x0000017242F70000-0x0000017242F80000-memory.dmp

        Filesize

        64KB

      • memory/3632-76-0x0000017243020000-0x0000017243030000-memory.dmp

        Filesize

        64KB

      • memory/3632-83-0x0000017242F90000-0x0000017242FA0000-memory.dmp

        Filesize

        64KB

      • memory/3632-82-0x0000017243040000-0x0000017243050000-memory.dmp

        Filesize

        64KB

      • memory/3632-81-0x0000017243030000-0x0000017243040000-memory.dmp

        Filesize

        64KB

      • memory/3632-88-0x0000017243050000-0x0000017243060000-memory.dmp

        Filesize

        64KB

      • memory/3632-87-0x0000017242FA0000-0x0000017242FB0000-memory.dmp

        Filesize

        64KB

      • memory/3632-80-0x0000017242F80000-0x0000017242F90000-memory.dmp

        Filesize

        64KB

      • memory/3632-75-0x0000017243010000-0x0000017243020000-memory.dmp

        Filesize

        64KB

      • memory/3632-74-0x0000017243000000-0x0000017243010000-memory.dmp

        Filesize

        64KB

      • memory/3632-73-0x0000017242F60000-0x0000017242F70000-memory.dmp

        Filesize

        64KB

      • memory/3632-92-0x0000017243070000-0x0000017243080000-memory.dmp

        Filesize

        64KB

      • memory/3632-91-0x0000017242FB0000-0x0000017242FC0000-memory.dmp

        Filesize

        64KB

      • memory/3632-93-0x0000017241430000-0x0000017241431000-memory.dmp

        Filesize

        4KB

      • memory/3632-95-0x0000017242FC0000-0x0000017242FD0000-memory.dmp

        Filesize

        64KB

      • memory/3632-96-0x0000017242FD0000-0x0000017242FE0000-memory.dmp

        Filesize

        64KB

      • memory/3632-23-0x0000017242F00000-0x0000017242F10000-memory.dmp

        Filesize

        64KB

      • memory/3632-100-0x0000017242FE0000-0x0000017242FF0000-memory.dmp

        Filesize

        64KB

      • memory/3632-102-0x0000017242FF0000-0x0000017243000000-memory.dmp

        Filesize

        64KB

      • memory/3632-99-0x0000017243080000-0x0000017243090000-memory.dmp

        Filesize

        64KB

      • memory/3632-98-0x0000017243080000-0x0000017243090000-memory.dmp

        Filesize

        64KB

      • memory/3632-105-0x0000017243090000-0x00000172430A0000-memory.dmp

        Filesize

        64KB

      • memory/3632-11-0x0000017241430000-0x0000017241431000-memory.dmp

        Filesize

        4KB

      • memory/3632-27-0x0000017242F20000-0x0000017242F30000-memory.dmp

        Filesize

        64KB

      • memory/3632-30-0x0000017242F30000-0x0000017242F40000-memory.dmp

        Filesize

        64KB

      • memory/3632-120-0x00000172430E0000-0x00000172430F0000-memory.dmp

        Filesize

        64KB

      • memory/3632-119-0x00000172430C0000-0x00000172430D0000-memory.dmp

        Filesize

        64KB

      • memory/3632-126-0x0000017241430000-0x0000017241431000-memory.dmp

        Filesize

        4KB

      • memory/3632-118-0x0000017243040000-0x0000017243050000-memory.dmp

        Filesize

        64KB

      • memory/3632-113-0x00000172430B0000-0x00000172430C0000-memory.dmp

        Filesize

        64KB

      • memory/3632-112-0x00000172430A0000-0x00000172430B0000-memory.dmp

        Filesize

        64KB

      • memory/3632-111-0x0000017243020000-0x0000017243030000-memory.dmp

        Filesize

        64KB

      • memory/3632-110-0x0000017243010000-0x0000017243020000-memory.dmp

        Filesize

        64KB

      • memory/3632-109-0x0000017243000000-0x0000017243010000-memory.dmp

        Filesize

        64KB

      • memory/3632-130-0x0000017243100000-0x0000017243110000-memory.dmp

        Filesize

        64KB

      • memory/3632-129-0x0000017243050000-0x0000017243060000-memory.dmp

        Filesize

        64KB

      • memory/3632-133-0x0000017243110000-0x0000017243120000-memory.dmp

        Filesize

        64KB

      • memory/3632-132-0x0000017243070000-0x0000017243080000-memory.dmp

        Filesize

        64KB

      • memory/3632-135-0x0000017243060000-0x0000017243070000-memory.dmp

        Filesize

        64KB

      • memory/3632-136-0x0000017243080000-0x0000017243090000-memory.dmp

        Filesize

        64KB

      • memory/3632-137-0x0000017243120000-0x0000017243130000-memory.dmp

        Filesize

        64KB

      • memory/3632-139-0x0000017243130000-0x0000017243140000-memory.dmp

        Filesize

        64KB

      • memory/3632-141-0x0000017243140000-0x0000017243150000-memory.dmp

        Filesize

        64KB

      • memory/3632-143-0x0000017243090000-0x00000172430A0000-memory.dmp

        Filesize

        64KB

      • memory/3632-144-0x0000017243150000-0x0000017243160000-memory.dmp

        Filesize

        64KB

      • memory/3632-149-0x0000017243160000-0x0000017243170000-memory.dmp

        Filesize

        64KB

      • memory/3632-148-0x00000172430B0000-0x00000172430C0000-memory.dmp

        Filesize

        64KB

      • memory/3632-147-0x00000172430A0000-0x00000172430B0000-memory.dmp

        Filesize

        64KB

      • memory/3632-150-0x0000017241430000-0x0000017241431000-memory.dmp

        Filesize

        4KB

      • memory/3632-155-0x0000017243170000-0x0000017243180000-memory.dmp

        Filesize

        64KB

      • memory/3632-159-0x00000172430F0000-0x0000017243100000-memory.dmp

        Filesize

        64KB

      • memory/3632-158-0x00000172430E0000-0x00000172430F0000-memory.dmp

        Filesize

        64KB

      • memory/3632-157-0x00000172430C0000-0x00000172430D0000-memory.dmp

        Filesize

        64KB

      • memory/3632-160-0x0000017243180000-0x0000017243190000-memory.dmp

        Filesize

        64KB

      • memory/3632-163-0x0000017243190000-0x00000172431A0000-memory.dmp

        Filesize

        64KB

      • memory/3632-162-0x00000172430D0000-0x00000172430E0000-memory.dmp

        Filesize

        64KB

      • memory/3632-168-0x00000172431A0000-0x00000172431B0000-memory.dmp

        Filesize

        64KB

      • memory/3632-167-0x0000017243100000-0x0000017243110000-memory.dmp

        Filesize

        64KB

      • memory/3632-173-0x0000017241430000-0x0000017241431000-memory.dmp

        Filesize

        4KB

      • memory/3632-174-0x0000017243110000-0x0000017243120000-memory.dmp

        Filesize

        64KB

      • memory/3632-176-0x0000017243120000-0x0000017243130000-memory.dmp

        Filesize

        64KB

      • memory/3632-177-0x0000017243130000-0x0000017243140000-memory.dmp

        Filesize

        64KB

      • memory/3632-181-0x0000017241430000-0x0000017241431000-memory.dmp

        Filesize

        4KB

      • memory/3632-183-0x0000017242EB0000-0x0000017242EC0000-memory.dmp

        Filesize

        64KB

      • memory/3632-21-0x0000017242EF0000-0x0000017242F00000-memory.dmp

        Filesize

        64KB

      • memory/3632-19-0x0000017242EE0000-0x0000017242EF0000-memory.dmp

        Filesize

        64KB

      • memory/3632-18-0x0000017242ED0000-0x0000017242EE0000-memory.dmp

        Filesize

        64KB

      • memory/3632-15-0x0000017242EC0000-0x0000017242ED0000-memory.dmp

        Filesize

        64KB

      • memory/3632-13-0x0000017242EB0000-0x0000017242EC0000-memory.dmp

        Filesize

        64KB

      • memory/3632-114-0x0000017243030000-0x0000017243040000-memory.dmp

        Filesize

        64KB

      • memory/3632-2-0x0000017242C40000-0x0000017242EB0000-memory.dmp

        Filesize

        2.4MB

      • memory/3632-186-0x0000017242EE0000-0x0000017242EF0000-memory.dmp

        Filesize

        64KB

      • memory/3632-185-0x0000017242ED0000-0x0000017242EE0000-memory.dmp

        Filesize

        64KB

      • memory/3632-184-0x0000017242EC0000-0x0000017242ED0000-memory.dmp

        Filesize

        64KB

      • memory/3632-182-0x0000017242C40000-0x0000017242EB0000-memory.dmp

        Filesize

        2.4MB