Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 14:14

General

  • Target

    0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar

  • Size

    481KB

  • MD5

    2820aab595357470035ace68dcb120ca

  • SHA1

    3954643aaa5dde5ee8079728905843cd175e9e84

  • SHA256

    0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606

  • SHA512

    b57d9025095815761dc267f0731e55fae41bea3becb134e1e5e9649f67ff5fb423ad0b36206a861b179b8053973188e1ebe39ad3076fed481811f1fd8a775ab6

  • SSDEEP

    12288:yVlmvKeQSPE8hj7oxFQRb5hzxCOJpk8FiWhKc9:yHmvlnnoMlckiWp

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
  • Modifies file permissions 1 TTPs 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 26 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\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4624
    • C:\Windows\system32\icacls.exe
      C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
      2⤵
      • Modifies file permissions
      PID:2840
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4704
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3800
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar"
          4⤵
          • Creates scheduled task(s)
          PID:4024
      • 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\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3844
        • 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:4656
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3576
        • 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:1756
          • 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:2144
        • 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:3240
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:4668
          • 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:840
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:4864

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        94353308d0458224d93d627e00f580d4

        SHA1

        efbaa8ae47a0d26c89c249efdfa51753b5779249

        SHA256

        85c14d178b1de995a81c5a20e4e264850eeb26ff7b1f9400fd45502b1b2f6a80

        SHA512

        562321fcaae76b5d39aa712eb73bb6f4259ed052d75b19b23d4acfc5d2ae47a94c520753fadbde23bd9e132653ead601c8825ca3817c2564c3977ef474b08f9c

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

        Filesize

        46B

        MD5

        49a6f876615ffa67028db63c88bcf05b

        SHA1

        bd5d7496c8fbefa29de6352bb2717d0591aac088

        SHA256

        47dedfea0e17e610634f925675b7f2c4667a86703f9542d9e3729ac40d0eb7d5

        SHA512

        4418e231b3cbb77f26b12fce45945efea68bfda215611dbec8c2b8416b4548b173aa0d9f3b2ade34c0a364b5c1f422884c00c8cd7cfe90b64f2b42c8da89f6d5

      • C:\Users\Admin\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar

        Filesize

        481KB

        MD5

        2820aab595357470035ace68dcb120ca

        SHA1

        3954643aaa5dde5ee8079728905843cd175e9e84

        SHA256

        0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606

        SHA512

        b57d9025095815761dc267f0731e55fae41bea3becb134e1e5e9649f67ff5fb423ad0b36206a861b179b8053973188e1ebe39ad3076fed481811f1fd8a775ab6

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna4137367002504975870.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1162180587-977231257-2194346871-1000\83aa4cc77f591dfc2374580bbd95f6ba_44d43ff8-91cd-4ca7-92c9-6495b4f546fa

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • 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/3844-389-0x000002885EF20000-0x000002885EF21000-memory.dmp

        Filesize

        4KB

      • memory/3844-372-0x000002885EF20000-0x000002885EF21000-memory.dmp

        Filesize

        4KB

      • memory/4624-100-0x0000024F11790000-0x0000024F117A0000-memory.dmp

        Filesize

        64KB

      • memory/4624-38-0x0000024F11730000-0x0000024F11740000-memory.dmp

        Filesize

        64KB

      • memory/4624-26-0x0000024F116D0000-0x0000024F116E0000-memory.dmp

        Filesize

        64KB

      • memory/4624-31-0x0000024F11700000-0x0000024F11710000-memory.dmp

        Filesize

        64KB

      • memory/4624-30-0x0000024F116F0000-0x0000024F11700000-memory.dmp

        Filesize

        64KB

      • memory/4624-36-0x0000024F11720000-0x0000024F11730000-memory.dmp

        Filesize

        64KB

      • memory/4624-35-0x0000024F11710000-0x0000024F11720000-memory.dmp

        Filesize

        64KB

      • memory/4624-115-0x0000024F11890000-0x0000024F118A0000-memory.dmp

        Filesize

        64KB

      • memory/4624-44-0x0000024F11760000-0x0000024F11770000-memory.dmp

        Filesize

        64KB

      • memory/4624-42-0x0000024F11750000-0x0000024F11760000-memory.dmp

        Filesize

        64KB

      • memory/4624-41-0x0000024F11740000-0x0000024F11750000-memory.dmp

        Filesize

        64KB

      • memory/4624-46-0x0000024F11770000-0x0000024F11780000-memory.dmp

        Filesize

        64KB

      • memory/4624-47-0x0000024F0FC30000-0x0000024F0FC31000-memory.dmp

        Filesize

        4KB

      • memory/4624-48-0x0000024F11780000-0x0000024F11790000-memory.dmp

        Filesize

        64KB

      • memory/4624-56-0x0000024F11790000-0x0000024F117A0000-memory.dmp

        Filesize

        64KB

      • memory/4624-61-0x0000024F116B0000-0x0000024F116C0000-memory.dmp

        Filesize

        64KB

      • memory/4624-60-0x0000024F11690000-0x0000024F116A0000-memory.dmp

        Filesize

        64KB

      • memory/4624-59-0x0000024F11680000-0x0000024F11690000-memory.dmp

        Filesize

        64KB

      • memory/4624-58-0x0000024F11670000-0x0000024F11680000-memory.dmp

        Filesize

        64KB

      • memory/4624-57-0x0000024F117A0000-0x0000024F117B0000-memory.dmp

        Filesize

        64KB

      • memory/4624-54-0x0000024F11400000-0x0000024F11670000-memory.dmp

        Filesize

        2.4MB

      • memory/4624-64-0x0000024F117B0000-0x0000024F117C0000-memory.dmp

        Filesize

        64KB

      • memory/4624-63-0x0000024F116A0000-0x0000024F116B0000-memory.dmp

        Filesize

        64KB

      • memory/4624-67-0x0000024F117C0000-0x0000024F117D0000-memory.dmp

        Filesize

        64KB

      • memory/4624-66-0x0000024F116C0000-0x0000024F116D0000-memory.dmp

        Filesize

        64KB

      • memory/4624-71-0x0000024F117D0000-0x0000024F117E0000-memory.dmp

        Filesize

        64KB

      • memory/4624-70-0x0000024F116E0000-0x0000024F116F0000-memory.dmp

        Filesize

        64KB

      • memory/4624-69-0x0000024F116D0000-0x0000024F116E0000-memory.dmp

        Filesize

        64KB

      • memory/4624-75-0x0000024F117E0000-0x0000024F117F0000-memory.dmp

        Filesize

        64KB

      • memory/4624-74-0x0000024F11700000-0x0000024F11710000-memory.dmp

        Filesize

        64KB

      • memory/4624-73-0x0000024F116F0000-0x0000024F11700000-memory.dmp

        Filesize

        64KB

      • memory/4624-79-0x0000024F11720000-0x0000024F11730000-memory.dmp

        Filesize

        64KB

      • memory/4624-82-0x0000024F11730000-0x0000024F11740000-memory.dmp

        Filesize

        64KB

      • memory/4624-81-0x0000024F11800000-0x0000024F11810000-memory.dmp

        Filesize

        64KB

      • memory/4624-80-0x0000024F117F0000-0x0000024F11800000-memory.dmp

        Filesize

        64KB

      • memory/4624-78-0x0000024F11710000-0x0000024F11720000-memory.dmp

        Filesize

        64KB

      • memory/4624-89-0x0000024F11820000-0x0000024F11830000-memory.dmp

        Filesize

        64KB

      • memory/4624-88-0x0000024F11810000-0x0000024F11820000-memory.dmp

        Filesize

        64KB

      • memory/4624-87-0x0000024F11760000-0x0000024F11770000-memory.dmp

        Filesize

        64KB

      • memory/4624-86-0x0000024F11750000-0x0000024F11760000-memory.dmp

        Filesize

        64KB

      • memory/4624-85-0x0000024F11740000-0x0000024F11750000-memory.dmp

        Filesize

        64KB

      • memory/4624-95-0x0000024F11780000-0x0000024F11790000-memory.dmp

        Filesize

        64KB

      • memory/4624-96-0x0000024F11830000-0x0000024F11840000-memory.dmp

        Filesize

        64KB

      • memory/4624-94-0x0000024F11770000-0x0000024F11780000-memory.dmp

        Filesize

        64KB

      • memory/4624-97-0x0000024F0FC30000-0x0000024F0FC31000-memory.dmp

        Filesize

        4KB

      • memory/4624-16-0x0000024F11670000-0x0000024F11680000-memory.dmp

        Filesize

        64KB

      • memory/4624-101-0x0000024F11840000-0x0000024F11850000-memory.dmp

        Filesize

        64KB

      • memory/4624-103-0x0000024F117A0000-0x0000024F117B0000-memory.dmp

        Filesize

        64KB

      • memory/4624-114-0x0000024F118A0000-0x0000024F118B0000-memory.dmp

        Filesize

        64KB

      • memory/4624-110-0x0000024F117B0000-0x0000024F117C0000-memory.dmp

        Filesize

        64KB

      • memory/4624-139-0x0000024F11900000-0x0000024F11910000-memory.dmp

        Filesize

        64KB

      • memory/4624-27-0x0000024F116E0000-0x0000024F116F0000-memory.dmp

        Filesize

        64KB

      • memory/4624-104-0x0000024F11850000-0x0000024F11860000-memory.dmp

        Filesize

        64KB

      • memory/4624-113-0x0000024F11860000-0x0000024F11870000-memory.dmp

        Filesize

        64KB

      • memory/4624-112-0x0000024F11880000-0x0000024F11890000-memory.dmp

        Filesize

        64KB

      • memory/4624-111-0x0000024F11870000-0x0000024F11880000-memory.dmp

        Filesize

        64KB

      • memory/4624-124-0x0000024F118D0000-0x0000024F118E0000-memory.dmp

        Filesize

        64KB

      • memory/4624-123-0x0000024F118C0000-0x0000024F118D0000-memory.dmp

        Filesize

        64KB

      • memory/4624-122-0x0000024F118B0000-0x0000024F118C0000-memory.dmp

        Filesize

        64KB

      • memory/4624-121-0x0000024F117D0000-0x0000024F117E0000-memory.dmp

        Filesize

        64KB

      • memory/4624-128-0x0000024F0FC30000-0x0000024F0FC31000-memory.dmp

        Filesize

        4KB

      • memory/4624-131-0x0000024F0FC30000-0x0000024F0FC31000-memory.dmp

        Filesize

        4KB

      • memory/4624-133-0x0000024F118E0000-0x0000024F118F0000-memory.dmp

        Filesize

        64KB

      • memory/4624-132-0x0000024F117E0000-0x0000024F117F0000-memory.dmp

        Filesize

        64KB

      • memory/4624-135-0x0000024F117F0000-0x0000024F11800000-memory.dmp

        Filesize

        64KB

      • memory/4624-136-0x0000024F118F0000-0x0000024F11900000-memory.dmp

        Filesize

        64KB

      • memory/4624-116-0x0000024F117C0000-0x0000024F117D0000-memory.dmp

        Filesize

        64KB

      • memory/4624-138-0x0000024F11800000-0x0000024F11810000-memory.dmp

        Filesize

        64KB

      • memory/4624-143-0x0000024F11910000-0x0000024F11920000-memory.dmp

        Filesize

        64KB

      • memory/4624-142-0x0000024F11820000-0x0000024F11830000-memory.dmp

        Filesize

        64KB

      • memory/4624-141-0x0000024F11810000-0x0000024F11820000-memory.dmp

        Filesize

        64KB

      • memory/4624-151-0x0000024F11940000-0x0000024F11950000-memory.dmp

        Filesize

        64KB

      • memory/4624-150-0x0000024F11840000-0x0000024F11850000-memory.dmp

        Filesize

        64KB

      • memory/4624-149-0x0000024F11930000-0x0000024F11940000-memory.dmp

        Filesize

        64KB

      • memory/4624-148-0x0000024F11920000-0x0000024F11930000-memory.dmp

        Filesize

        64KB

      • memory/4624-147-0x0000024F11830000-0x0000024F11840000-memory.dmp

        Filesize

        64KB

      • memory/4624-154-0x0000024F11850000-0x0000024F11860000-memory.dmp

        Filesize

        64KB

      • memory/4624-155-0x0000024F11950000-0x0000024F11960000-memory.dmp

        Filesize

        64KB

      • memory/4624-157-0x0000024F0FC30000-0x0000024F0FC31000-memory.dmp

        Filesize

        4KB

      • memory/4624-162-0x0000024F11880000-0x0000024F11890000-memory.dmp

        Filesize

        64KB

      • memory/4624-163-0x0000024F11860000-0x0000024F11870000-memory.dmp

        Filesize

        64KB

      • memory/4624-161-0x0000024F11870000-0x0000024F11880000-memory.dmp

        Filesize

        64KB

      • memory/4624-165-0x0000024F11960000-0x0000024F11970000-memory.dmp

        Filesize

        64KB

      • memory/4624-164-0x0000024F118A0000-0x0000024F118B0000-memory.dmp

        Filesize

        64KB

      • memory/4624-167-0x0000024F11890000-0x0000024F118A0000-memory.dmp

        Filesize

        64KB

      • memory/4624-168-0x0000024F11970000-0x0000024F11980000-memory.dmp

        Filesize

        64KB

      • memory/4624-175-0x0000024F0FC30000-0x0000024F0FC31000-memory.dmp

        Filesize

        4KB

      • memory/4624-177-0x0000024F118B0000-0x0000024F118C0000-memory.dmp

        Filesize

        64KB

      • memory/4624-179-0x0000024F118D0000-0x0000024F118E0000-memory.dmp

        Filesize

        64KB

      • memory/4624-178-0x0000024F118C0000-0x0000024F118D0000-memory.dmp

        Filesize

        64KB

      • memory/4624-181-0x0000024F118E0000-0x0000024F118F0000-memory.dmp

        Filesize

        64KB

      • memory/4624-182-0x0000024F11980000-0x0000024F11990000-memory.dmp

        Filesize

        64KB

      • memory/4624-184-0x0000024F0FC30000-0x0000024F0FC31000-memory.dmp

        Filesize

        4KB

      • memory/4624-17-0x0000024F11680000-0x0000024F11690000-memory.dmp

        Filesize

        64KB

      • memory/4624-185-0x0000024F117A0000-0x0000024F117B0000-memory.dmp

        Filesize

        64KB

      • memory/4624-188-0x0000024F11690000-0x0000024F116A0000-memory.dmp

        Filesize

        64KB

      • memory/4624-187-0x0000024F11680000-0x0000024F11690000-memory.dmp

        Filesize

        64KB

      • memory/4624-186-0x0000024F11670000-0x0000024F11680000-memory.dmp

        Filesize

        64KB

      • memory/4624-2-0x0000024F11400000-0x0000024F11670000-memory.dmp

        Filesize

        2.4MB

      • memory/4624-22-0x0000024F116B0000-0x0000024F116C0000-memory.dmp

        Filesize

        64KB

      • memory/4624-23-0x0000024F116C0000-0x0000024F116D0000-memory.dmp

        Filesize

        64KB

      • memory/4624-21-0x0000024F116A0000-0x0000024F116B0000-memory.dmp

        Filesize

        64KB

      • memory/4624-18-0x0000024F11690000-0x0000024F116A0000-memory.dmp

        Filesize

        64KB

      • memory/4704-296-0x000001FFEFB20000-0x000001FFEFB21000-memory.dmp

        Filesize

        4KB