Analysis

  • max time kernel
    148s
  • max time network
    151s
  • 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 14:22

General

  • Target

    Solicituddecotizacin23062.jar

  • Size

    218KB

  • MD5

    aaffc5262ba30e3ea20e6195f39d021a

  • SHA1

    93e3c3e08b0ba58374957299a74b68155e4f334f

  • SHA256

    5c06e1544f6e3c1b235bf9a2c720e07a8a46253882d7d8552d42f472ad638109

  • SHA512

    0308fbff4d6e3cf0dfd9ad8533ea254913817066b239fbb75b8b529b3ae4952c5a561895974bf801682995b8eda0f9dacc82683162ff2e6aa62592c9e6654893

  • SSDEEP

    6144:NhfBco5zzHNroaMYWIsXwKH3gpQQ89+dny:jOEzNcalODH3VQ8z

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\Solicituddecotizacin23062.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2228
    • 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\Solicituddecotizacin23062.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Solicituddecotizacin23062.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3588
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Solicituddecotizacin23062.jar"
          4⤵
          • Creates scheduled task(s)
          PID:4336
      • 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\Solicituddecotizacin23062.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4812
        • 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:1028
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3600
        • 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:4884
          • 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:4484
        • 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:2512
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:4904
          • 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:3436
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:4088

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        50B

        MD5

        65aee4066939515aa36c3943711b210d

        SHA1

        547528b3863a1d1b0b6d79cd81ecbc1342d84dc7

        SHA256

        af525007a1d3ead1832a74a9212306d67aba43029d59655b96926c8200775b2c

        SHA512

        41fe21cad7b11e75e6a4854383cefe7f10147daf76e306406cb955fafedcffb39e85af38eaa904c093ba8249420ba1eb9181d3fd61db3e478c3dec1f0f0e0a45

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

        Filesize

        50B

        MD5

        bfd921922da174d9f2ccae09c376c5c3

        SHA1

        e22000521cd8e83febd3680c059ff3ce1d317999

        SHA256

        cc01c2ebdbb7894234c32713b1625bf61cbfc473bb23b3d08858e13514a990d6

        SHA512

        bf7f30802e0b87dca9d175a31ee1489ee478c9bd54c567e0b6b89f524079cbcd52bdfcf9c41648a1ec0152e018ab83b85589666db2751b4440bca25cc4d38c43

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna5005800535938625375.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-508929744-1894537824-211734425-1000\83aa4cc77f591dfc2374580bbd95f6ba_3db77c8d-8b44-4cdd-80bd-b67b97edf7a0

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\AppData\Roaming\Solicituddecotizacin23062.jar

        Filesize

        218KB

        MD5

        aaffc5262ba30e3ea20e6195f39d021a

        SHA1

        93e3c3e08b0ba58374957299a74b68155e4f334f

        SHA256

        5c06e1544f6e3c1b235bf9a2c720e07a8a46253882d7d8552d42f472ad638109

        SHA512

        0308fbff4d6e3cf0dfd9ad8533ea254913817066b239fbb75b8b529b3ae4952c5a561895974bf801682995b8eda0f9dacc82683162ff2e6aa62592c9e6654893

      • C:\Users\Admin\AppData\Roaming\Solicituddecotizacin23062.jar

        Filesize

        218KB

        MD5

        aaffc5262ba30e3ea20e6195f39d021a

        SHA1

        93e3c3e08b0ba58374957299a74b68155e4f334f

        SHA256

        5c06e1544f6e3c1b235bf9a2c720e07a8a46253882d7d8552d42f472ad638109

        SHA512

        0308fbff4d6e3cf0dfd9ad8533ea254913817066b239fbb75b8b529b3ae4952c5a561895974bf801682995b8eda0f9dacc82683162ff2e6aa62592c9e6654893

      • 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\Solicituddecotizacin23062.jar

        Filesize

        218KB

        MD5

        aaffc5262ba30e3ea20e6195f39d021a

        SHA1

        93e3c3e08b0ba58374957299a74b68155e4f334f

        SHA256

        5c06e1544f6e3c1b235bf9a2c720e07a8a46253882d7d8552d42f472ad638109

        SHA512

        0308fbff4d6e3cf0dfd9ad8533ea254913817066b239fbb75b8b529b3ae4952c5a561895974bf801682995b8eda0f9dacc82683162ff2e6aa62592c9e6654893

      • 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/1268-218-0x00000000015E0000-0x00000000015E1000-memory.dmp

        Filesize

        4KB

      • memory/1268-220-0x00000000015E0000-0x00000000015E1000-memory.dmp

        Filesize

        4KB

      • memory/2228-188-0x00000000026F0000-0x00000000026F1000-memory.dmp

        Filesize

        4KB

      • memory/2228-180-0x00000000026F0000-0x00000000026F1000-memory.dmp

        Filesize

        4KB

      • memory/2228-197-0x00000000026F0000-0x00000000026F1000-memory.dmp

        Filesize

        4KB

      • memory/2228-196-0x00000000026F0000-0x00000000026F1000-memory.dmp

        Filesize

        4KB

      • memory/2228-191-0x00000000026F0000-0x00000000026F1000-memory.dmp

        Filesize

        4KB

      • memory/2228-202-0x00000000026F0000-0x00000000026F1000-memory.dmp

        Filesize

        4KB

      • memory/2228-181-0x00000000026F0000-0x00000000026F1000-memory.dmp

        Filesize

        4KB

      • memory/2228-147-0x00000000026F0000-0x00000000026F1000-memory.dmp

        Filesize

        4KB

      • memory/2228-179-0x00000000026F0000-0x00000000026F1000-memory.dmp

        Filesize

        4KB

      • memory/2228-161-0x00000000026F0000-0x00000000026F1000-memory.dmp

        Filesize

        4KB

      • memory/2228-174-0x00000000026F0000-0x00000000026F1000-memory.dmp

        Filesize

        4KB

      • memory/4812-250-0x0000000001510000-0x0000000001511000-memory.dmp

        Filesize

        4KB

      • memory/4812-249-0x0000000001510000-0x0000000001511000-memory.dmp

        Filesize

        4KB

      • memory/4812-267-0x0000000001510000-0x0000000001511000-memory.dmp

        Filesize

        4KB

      • memory/4812-268-0x0000000001510000-0x0000000001511000-memory.dmp

        Filesize

        4KB