Analysis

  • max time kernel
    148s
  • 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
    23-06-2023 00:58

General

  • Target

    Final Payment Invoice.jar

  • Size

    218KB

  • MD5

    c1db46240a7a82f6f7d36e8c66b6158e

  • SHA1

    d5ecc30c52e8f1bb9a88f0bcf9910ec73d1f7979

  • SHA256

    74e4b425d0d1ad36e8c3fdbd874857e4ba9bd6e3721e3cffe83947e353446ee3

  • SHA512

    e48cd967189441d1b4132490aa9fd46e5ce089c1931773d415bf7609a9b4afb595eaf458d99e1f2f23b004a23669ce8818e8a7f4ccd287fd700cfe54785167cb

  • SSDEEP

    3072:E5RrQ3m9lTKMZYJWBn+wjS6qC2UeourJ1PP+mkZE67tqlTA5h3CDEPdrKi4WcC0A:eRSMKMKwBTDqCSzH+mYol+vr+Wp04TwA

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\Final Payment Invoice.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:60
    • 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\Final Payment Invoice.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4628
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Final Payment Invoice.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:396
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Final Payment Invoice.jar"
          4⤵
          • Creates scheduled task(s)
          PID:2224
      • 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\Final Payment Invoice.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3996
        • 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:4452
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4280
        • 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:3684
          • 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:4272
        • 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:2260
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:2764
          • 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:4584
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:1952

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        50B

        MD5

        3ab9acea3807fa8c5c9a59958d1c33af

        SHA1

        e958b882e67453ab7e290ec9861316595976fb0f

        SHA256

        b2b4403853c583794c6dc5e53fcf1911c7fa6218ef1e58791688491767768c91

        SHA512

        8aac1be73e2ed523457971a2ef88ec529db2ec1610747dc1d9150b3d127870f338ec9ee0ec88e262fa528c2d89da847f3d3df8195c0ec7f90e930afefda86343

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

        Filesize

        50B

        MD5

        7af70208157869a2b9e09bd24c72c2b6

        SHA1

        5e4995a98df475a76eaf1afd1e665bc557c85949

        SHA256

        99f451c6aa8dbf4d0c4345f7e2eff88c60e08bb18ceb3a9e91c14e68ade76a6d

        SHA512

        5fc96a43f519998b271fcec25a8a824028919261cf6a3383f088183b534d7cda95d14f7b1916b8a54673ca822d576c4aa4dfa8006684f86c5c2757d83f6c47e7

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna2782582316783984732.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Final Payment Invoice.jar

        Filesize

        218KB

        MD5

        c1db46240a7a82f6f7d36e8c66b6158e

        SHA1

        d5ecc30c52e8f1bb9a88f0bcf9910ec73d1f7979

        SHA256

        74e4b425d0d1ad36e8c3fdbd874857e4ba9bd6e3721e3cffe83947e353446ee3

        SHA512

        e48cd967189441d1b4132490aa9fd46e5ce089c1931773d415bf7609a9b4afb595eaf458d99e1f2f23b004a23669ce8818e8a7f4ccd287fd700cfe54785167cb

      • C:\Users\Admin\AppData\Roaming\Final Payment Invoice.jar

        Filesize

        218KB

        MD5

        c1db46240a7a82f6f7d36e8c66b6158e

        SHA1

        d5ecc30c52e8f1bb9a88f0bcf9910ec73d1f7979

        SHA256

        74e4b425d0d1ad36e8c3fdbd874857e4ba9bd6e3721e3cffe83947e353446ee3

        SHA512

        e48cd967189441d1b4132490aa9fd46e5ce089c1931773d415bf7609a9b4afb595eaf458d99e1f2f23b004a23669ce8818e8a7f4ccd287fd700cfe54785167cb

      • 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\Final Payment Invoice.jar

        Filesize

        218KB

        MD5

        c1db46240a7a82f6f7d36e8c66b6158e

        SHA1

        d5ecc30c52e8f1bb9a88f0bcf9910ec73d1f7979

        SHA256

        74e4b425d0d1ad36e8c3fdbd874857e4ba9bd6e3721e3cffe83947e353446ee3

        SHA512

        e48cd967189441d1b4132490aa9fd46e5ce089c1931773d415bf7609a9b4afb595eaf458d99e1f2f23b004a23669ce8818e8a7f4ccd287fd700cfe54785167cb

      • 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/60-201-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/60-188-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/60-143-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/60-221-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/60-212-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/60-155-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/60-204-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/60-203-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/60-183-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/60-182-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/60-181-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/60-170-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/60-167-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/60-165-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/3996-265-0x0000000001220000-0x0000000001221000-memory.dmp

        Filesize

        4KB

      • memory/4628-238-0x00000000008D0000-0x00000000008D1000-memory.dmp

        Filesize

        4KB