Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2023 10:40

General

  • Target

    InSeNaCoder1550ddc8.jar

  • Size

    218KB

  • MD5

    d46ced619302d537e07481dfe8a1e7e1

  • SHA1

    135311ed819821a8a5043a0141c192e7b121a459

  • SHA256

    4e0f0e48af90b53ca2f5bfe07730901ca963655051f5fd4fba455933bc9a72ec

  • SHA512

    e4a35e5868ab5d267165375093a929ed02fc00b1fa6d9ef6e922c2992347363727b4c3ec935cf0562a600bbb5d571033e1e849ed5c12fc87915e2c2f0e605911

  • SSDEEP

    6144:UgYgkGYzGvr/s2tpIg5+YagSKH2KDUsI9:UgYWQEIgoYtSQ2Kgx9

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\InSeNaCoder1550ddc8.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4580
    • 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\InSeNaCoder1550ddc8.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1832
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\InSeNaCoder1550ddc8.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2180
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\InSeNaCoder1550ddc8.jar"
          4⤵
          • Creates scheduled task(s)
          PID:1664
      • 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\InSeNaCoder1550ddc8.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4608
        • 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:2912
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1788
        • 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:3692
          • 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:4884
        • 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:1964
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:4464
          • 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:1852
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:3176

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

        Filesize

        50B

        MD5

        7cddc1a9678010f97e09eafd2dcdd0ce

        SHA1

        6da10b2b250068f1f63010e0cdade0645fa55fe8

        SHA256

        194e2dac4b7de2e7d18d7243ae39a45a229c671efa33408a780424a579afe55d

        SHA512

        4187eb5e453587cbe18e3c2cd142cf6f7649e7b4c44397a28368bda22bf040e7105adfb6c4da19b2072d2a0dc4015b03aee0b32091b4bf5ec597fadac6041ed0

      • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

        Filesize

        50B

        MD5

        a19f838776f9f2cc42bceaa5888f304c

        SHA1

        2c47ccbb3d448e2483c0c113ab28964b855813e8

        SHA256

        564e3afc20ec98acff2ded8c58ccea776aff4a590d84b5a0b1dc96973503d382

        SHA512

        f913e495db3c9889ff86960315e93e099394347a4cec78e54f2fe5c9fd0d2e574766d629c87a3b2e7f6c7142d4541703de8cbb51c8fc80624e34a547f663b187

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna1434036941259568785.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\InSeNaCoder1550ddc8.jar

        Filesize

        218KB

        MD5

        d46ced619302d537e07481dfe8a1e7e1

        SHA1

        135311ed819821a8a5043a0141c192e7b121a459

        SHA256

        4e0f0e48af90b53ca2f5bfe07730901ca963655051f5fd4fba455933bc9a72ec

        SHA512

        e4a35e5868ab5d267165375093a929ed02fc00b1fa6d9ef6e922c2992347363727b4c3ec935cf0562a600bbb5d571033e1e849ed5c12fc87915e2c2f0e605911

      • C:\Users\Admin\AppData\Roaming\InSeNaCoder1550ddc8.jar

        Filesize

        218KB

        MD5

        d46ced619302d537e07481dfe8a1e7e1

        SHA1

        135311ed819821a8a5043a0141c192e7b121a459

        SHA256

        4e0f0e48af90b53ca2f5bfe07730901ca963655051f5fd4fba455933bc9a72ec

        SHA512

        e4a35e5868ab5d267165375093a929ed02fc00b1fa6d9ef6e922c2992347363727b4c3ec935cf0562a600bbb5d571033e1e849ed5c12fc87915e2c2f0e605911

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3259792829-1422303781-2047321929-1000\83aa4cc77f591dfc2374580bbd95f6ba_7a0b5f63-92b5-4443-b457-34250c67f41d

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

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

        Filesize

        1.4MB

        MD5

        acfb5b5fd9ee10bf69497792fd469f85

        SHA1

        0e0845217c4907822403912ad6828d8e0b256208

        SHA256

        b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

        SHA512

        e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

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

        Filesize

        2.6MB

        MD5

        2f4a99c2758e72ee2b59a73586a2322f

        SHA1

        af38e7c4d0fc73c23ecd785443705bfdee5b90bf

        SHA256

        24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

        SHA512

        b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

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

        Filesize

        4.1MB

        MD5

        b33387e15ab150a7bf560abdc73c3bec

        SHA1

        66b8075784131f578ef893fd7674273f709b9a4c

        SHA256

        2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

        SHA512

        25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

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

        Filesize

        772KB

        MD5

        e1aa38a1e78a76a6de73efae136cdb3a

        SHA1

        c463da71871f780b2e2e5dba115d43953b537daf

        SHA256

        2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

        SHA512

        fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

      • C:\Users\Admin\InSeNaCoder1550ddc8.jar

        Filesize

        218KB

        MD5

        d46ced619302d537e07481dfe8a1e7e1

        SHA1

        135311ed819821a8a5043a0141c192e7b121a459

        SHA256

        4e0f0e48af90b53ca2f5bfe07730901ca963655051f5fd4fba455933bc9a72ec

        SHA512

        e4a35e5868ab5d267165375093a929ed02fc00b1fa6d9ef6e922c2992347363727b4c3ec935cf0562a600bbb5d571033e1e849ed5c12fc87915e2c2f0e605911

      • 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/1832-240-0x00000000013B0000-0x00000000013B1000-memory.dmp

        Filesize

        4KB

      • memory/4580-193-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-143-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-221-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-220-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-219-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-212-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-211-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-204-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-200-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-223-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-190-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-189-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-186-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-185-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-180-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-174-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4580-158-0x0000000000C00000-0x0000000000C01000-memory.dmp

        Filesize

        4KB

      • memory/4608-277-0x0000000000880000-0x0000000000881000-memory.dmp

        Filesize

        4KB

      • memory/4608-290-0x0000000000880000-0x0000000000881000-memory.dmp

        Filesize

        4KB