Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/06/2024, 08:12

General

  • Target

    0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar

  • Size

    452KB

  • MD5

    b07c339834a5d170e4d53d5047450a8d

  • SHA1

    de8e5013ce628b4d1d14e3f4b665ffbda1faea82

  • SHA256

    0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb

  • SHA512

    c455b22807f9d592db3d36ffdf808242df7c87537bdcee8516cd22196bc688b728ec827a56a8c05d072c20482819257c0d749d09a7a2e1aa67ba168bc499c5f9

  • SSDEEP

    12288:iU9rum+uhMaH/Ml0nZQZGrotf0wXfMhmQd3jEdkR:num+uaaf0YKKotfxXfMhmQdzWI

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\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3964
    • 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:2356
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3096
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4596
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"
          4⤵
          • Creates scheduled task(s)
          PID:1652
      • 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\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4576
        • 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:412
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1100
        • 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:3192
          • 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:4972
        • 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:1216
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:4584
          • 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:344
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:804

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        f9e484ff2bc797abc05561b148b55f0c

        SHA1

        717d1439ab178f6b74e643477f150cd67878056b

        SHA256

        31d23c644f5bb7398eaa99ce875a0f12cb99874d4a4ae8cdf1f774fa570b90bf

        SHA512

        fd21dea49e893e73abb573150fd62865faeef960af9e693b883f3b3378d2a6bccb43cbaca32264557dd844877ee261def04954c486c61df203315f7ae1c7b51a

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

        Filesize

        46B

        MD5

        4db92ccee31625b5d4e2de94c8f960a7

        SHA1

        1a9c187bf82872745bee8100eae362ac70b02517

        SHA256

        b30c547c94d38c6fb19b0a408f56dc045035d13ceb7b67e10dca20f35c87fe31

        SHA512

        d796bbb5d2d76bf0a376a2d73a5b8e14f755b78c2443c41e373a543084f6407a6b8de44cba1edd1fa91edc5910115e9620a13ff6d8753b25d9ec5a9a081dd91c

      • C:\Users\Admin\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar

        Filesize

        452KB

        MD5

        b07c339834a5d170e4d53d5047450a8d

        SHA1

        de8e5013ce628b4d1d14e3f4b665ffbda1faea82

        SHA256

        0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb

        SHA512

        c455b22807f9d592db3d36ffdf808242df7c87537bdcee8516cd22196bc688b728ec827a56a8c05d072c20482819257c0d749d09a7a2e1aa67ba168bc499c5f9

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna2118294632019189589.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4018855536-2201274732-320770143-1000\83aa4cc77f591dfc2374580bbd95f6ba_4d0966de-9ba4-4ee9-b282-eaf9cf9c9160

        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/3096-297-0x00000247205D0000-0x00000247205D1000-memory.dmp

        Filesize

        4KB

      • memory/3964-103-0x00000280C4180000-0x00000280C4190000-memory.dmp

        Filesize

        64KB

      • memory/3964-185-0x00000280C42A0000-0x00000280C42B0000-memory.dmp

        Filesize

        64KB

      • memory/3964-24-0x00000280C3FE0000-0x00000280C3FF0000-memory.dmp

        Filesize

        64KB

      • memory/3964-27-0x00000280C4000000-0x00000280C4010000-memory.dmp

        Filesize

        64KB

      • memory/3964-30-0x00000280C4010000-0x00000280C4020000-memory.dmp

        Filesize

        64KB

      • memory/3964-31-0x00000280C4020000-0x00000280C4030000-memory.dmp

        Filesize

        64KB

      • memory/3964-42-0x00000280C4070000-0x00000280C4080000-memory.dmp

        Filesize

        64KB

      • memory/3964-43-0x00000280C4080000-0x00000280C4090000-memory.dmp

        Filesize

        64KB

      • memory/3964-41-0x00000280C4060000-0x00000280C4070000-memory.dmp

        Filesize

        64KB

      • memory/3964-40-0x00000280C4050000-0x00000280C4060000-memory.dmp

        Filesize

        64KB

      • memory/3964-39-0x00000280C4040000-0x00000280C4050000-memory.dmp

        Filesize

        64KB

      • memory/3964-38-0x00000280C4030000-0x00000280C4040000-memory.dmp

        Filesize

        64KB

      • memory/3964-44-0x00000280C2550000-0x00000280C2551000-memory.dmp

        Filesize

        4KB

      • memory/3964-47-0x00000280C4090000-0x00000280C40A0000-memory.dmp

        Filesize

        64KB

      • memory/3964-46-0x00000280C3D20000-0x00000280C3F90000-memory.dmp

        Filesize

        2.4MB

      • memory/3964-51-0x00000280C40A0000-0x00000280C40B0000-memory.dmp

        Filesize

        64KB

      • memory/3964-50-0x00000280C3FB0000-0x00000280C3FC0000-memory.dmp

        Filesize

        64KB

      • memory/3964-49-0x00000280C3F90000-0x00000280C3FA0000-memory.dmp

        Filesize

        64KB

      • memory/3964-57-0x00000280C3FA0000-0x00000280C3FB0000-memory.dmp

        Filesize

        64KB

      • memory/3964-58-0x00000280C40B0000-0x00000280C40C0000-memory.dmp

        Filesize

        64KB

      • memory/3964-61-0x00000280C40C0000-0x00000280C40D0000-memory.dmp

        Filesize

        64KB

      • memory/3964-60-0x00000280C3FC0000-0x00000280C3FD0000-memory.dmp

        Filesize

        64KB

      • memory/3964-68-0x00000280C40F0000-0x00000280C4100000-memory.dmp

        Filesize

        64KB

      • memory/3964-66-0x00000280C40D0000-0x00000280C40E0000-memory.dmp

        Filesize

        64KB

      • memory/3964-67-0x00000280C40E0000-0x00000280C40F0000-memory.dmp

        Filesize

        64KB

      • memory/3964-65-0x00000280C3FD0000-0x00000280C3FE0000-memory.dmp

        Filesize

        64KB

      • memory/3964-75-0x00000280C3FE0000-0x00000280C3FF0000-memory.dmp

        Filesize

        64KB

      • memory/3964-83-0x00000280C4150000-0x00000280C4160000-memory.dmp

        Filesize

        64KB

      • memory/3964-82-0x00000280C4000000-0x00000280C4010000-memory.dmp

        Filesize

        64KB

      • memory/3964-81-0x00000280C4140000-0x00000280C4150000-memory.dmp

        Filesize

        64KB

      • memory/3964-80-0x00000280C4130000-0x00000280C4140000-memory.dmp

        Filesize

        64KB

      • memory/3964-79-0x00000280C4120000-0x00000280C4130000-memory.dmp

        Filesize

        64KB

      • memory/3964-78-0x00000280C4110000-0x00000280C4120000-memory.dmp

        Filesize

        64KB

      • memory/3964-77-0x00000280C4100000-0x00000280C4110000-memory.dmp

        Filesize

        64KB

      • memory/3964-76-0x00000280C3FF0000-0x00000280C4000000-memory.dmp

        Filesize

        64KB

      • memory/3964-87-0x00000280C4010000-0x00000280C4020000-memory.dmp

        Filesize

        64KB

      • memory/3964-89-0x00000280C4160000-0x00000280C4170000-memory.dmp

        Filesize

        64KB

      • memory/3964-88-0x00000280C4020000-0x00000280C4030000-memory.dmp

        Filesize

        64KB

      • memory/3964-90-0x00000280C2550000-0x00000280C2551000-memory.dmp

        Filesize

        4KB

      • memory/3964-93-0x00000280C4030000-0x00000280C4040000-memory.dmp

        Filesize

        64KB

      • memory/3964-97-0x00000280C4070000-0x00000280C4080000-memory.dmp

        Filesize

        64KB

      • memory/3964-120-0x00000280C40C0000-0x00000280C40D0000-memory.dmp

        Filesize

        64KB

      • memory/3964-96-0x00000280C4060000-0x00000280C4070000-memory.dmp

        Filesize

        64KB

      • memory/3964-95-0x00000280C4050000-0x00000280C4060000-memory.dmp

        Filesize

        64KB

      • memory/3964-94-0x00000280C4040000-0x00000280C4050000-memory.dmp

        Filesize

        64KB

      • memory/3964-102-0x00000280C4080000-0x00000280C4090000-memory.dmp

        Filesize

        64KB

      • memory/3964-17-0x00000280C3FA0000-0x00000280C3FB0000-memory.dmp

        Filesize

        64KB

      • memory/3964-106-0x00000280C4090000-0x00000280C40A0000-memory.dmp

        Filesize

        64KB

      • memory/3964-109-0x00000280C41A0000-0x00000280C41B0000-memory.dmp

        Filesize

        64KB

      • memory/3964-108-0x00000280C4190000-0x00000280C41A0000-memory.dmp

        Filesize

        64KB

      • memory/3964-112-0x00000280C40A0000-0x00000280C40B0000-memory.dmp

        Filesize

        64KB

      • memory/3964-114-0x00000280C41C0000-0x00000280C41D0000-memory.dmp

        Filesize

        64KB

      • memory/3964-25-0x00000280C3FF0000-0x00000280C4000000-memory.dmp

        Filesize

        64KB

      • memory/3964-113-0x00000280C41B0000-0x00000280C41C0000-memory.dmp

        Filesize

        64KB

      • memory/3964-98-0x00000280C4170000-0x00000280C4180000-memory.dmp

        Filesize

        64KB

      • memory/3964-119-0x00000280C41E0000-0x00000280C41F0000-memory.dmp

        Filesize

        64KB

      • memory/3964-118-0x00000280C41D0000-0x00000280C41E0000-memory.dmp

        Filesize

        64KB

      • memory/3964-117-0x00000280C40B0000-0x00000280C40C0000-memory.dmp

        Filesize

        64KB

      • memory/3964-124-0x00000280C2550000-0x00000280C2551000-memory.dmp

        Filesize

        4KB

      • memory/3964-128-0x00000280C2550000-0x00000280C2551000-memory.dmp

        Filesize

        4KB

      • memory/3964-131-0x00000280C40F0000-0x00000280C4100000-memory.dmp

        Filesize

        64KB

      • memory/3964-130-0x00000280C40E0000-0x00000280C40F0000-memory.dmp

        Filesize

        64KB

      • memory/3964-129-0x00000280C40D0000-0x00000280C40E0000-memory.dmp

        Filesize

        64KB

      • memory/3964-132-0x00000280C4100000-0x00000280C4110000-memory.dmp

        Filesize

        64KB

      • memory/3964-133-0x00000280C4200000-0x00000280C4210000-memory.dmp

        Filesize

        64KB

      • memory/3964-138-0x00000280C4140000-0x00000280C4150000-memory.dmp

        Filesize

        64KB

      • memory/3964-137-0x00000280C4130000-0x00000280C4140000-memory.dmp

        Filesize

        64KB

      • memory/3964-136-0x00000280C4120000-0x00000280C4130000-memory.dmp

        Filesize

        64KB

      • memory/3964-135-0x00000280C4110000-0x00000280C4120000-memory.dmp

        Filesize

        64KB

      • memory/3964-139-0x00000280C4210000-0x00000280C4220000-memory.dmp

        Filesize

        64KB

      • memory/3964-141-0x00000280C4150000-0x00000280C4160000-memory.dmp

        Filesize

        64KB

      • memory/3964-142-0x00000280C4220000-0x00000280C4230000-memory.dmp

        Filesize

        64KB

      • memory/3964-145-0x00000280C4230000-0x00000280C4240000-memory.dmp

        Filesize

        64KB

      • memory/3964-144-0x00000280C4160000-0x00000280C4170000-memory.dmp

        Filesize

        64KB

      • memory/3964-149-0x00000280C4240000-0x00000280C4250000-memory.dmp

        Filesize

        64KB

      • memory/3964-148-0x00000280C4170000-0x00000280C4180000-memory.dmp

        Filesize

        64KB

      • memory/3964-152-0x00000280C4250000-0x00000280C4260000-memory.dmp

        Filesize

        64KB

      • memory/3964-151-0x00000280C4180000-0x00000280C4190000-memory.dmp

        Filesize

        64KB

      • memory/3964-154-0x00000280C2550000-0x00000280C2551000-memory.dmp

        Filesize

        4KB

      • memory/3964-159-0x00000280C41A0000-0x00000280C41B0000-memory.dmp

        Filesize

        64KB

      • memory/3964-160-0x00000280C4260000-0x00000280C4270000-memory.dmp

        Filesize

        64KB

      • memory/3964-158-0x00000280C4190000-0x00000280C41A0000-memory.dmp

        Filesize

        64KB

      • memory/3964-163-0x00000280C41C0000-0x00000280C41D0000-memory.dmp

        Filesize

        64KB

      • memory/3964-165-0x00000280C4270000-0x00000280C4280000-memory.dmp

        Filesize

        64KB

      • memory/3964-164-0x00000280C41D0000-0x00000280C41E0000-memory.dmp

        Filesize

        64KB

      • memory/3964-162-0x00000280C41B0000-0x00000280C41C0000-memory.dmp

        Filesize

        64KB

      • memory/3964-167-0x00000280C41E0000-0x00000280C41F0000-memory.dmp

        Filesize

        64KB

      • memory/3964-168-0x00000280C4280000-0x00000280C4290000-memory.dmp

        Filesize

        64KB

      • memory/3964-170-0x00000280C41F0000-0x00000280C4200000-memory.dmp

        Filesize

        64KB

      • memory/3964-171-0x00000280C4290000-0x00000280C42A0000-memory.dmp

        Filesize

        64KB

      • memory/3964-177-0x00000280C2550000-0x00000280C2551000-memory.dmp

        Filesize

        4KB

      • memory/3964-180-0x00000280C4200000-0x00000280C4210000-memory.dmp

        Filesize

        64KB

      • memory/3964-186-0x00000280C42B0000-0x00000280C42C0000-memory.dmp

        Filesize

        64KB

      • memory/3964-121-0x00000280C41F0000-0x00000280C4200000-memory.dmp

        Filesize

        64KB

      • memory/3964-18-0x00000280C3FB0000-0x00000280C3FC0000-memory.dmp

        Filesize

        64KB

      • memory/3964-21-0x00000280C3FD0000-0x00000280C3FE0000-memory.dmp

        Filesize

        64KB

      • memory/3964-19-0x00000280C3FC0000-0x00000280C3FD0000-memory.dmp

        Filesize

        64KB

      • memory/3964-184-0x00000280C4210000-0x00000280C4220000-memory.dmp

        Filesize

        64KB

      • memory/3964-183-0x00000280C2550000-0x00000280C2551000-memory.dmp

        Filesize

        4KB

      • memory/3964-188-0x00000280C3F90000-0x00000280C3FA0000-memory.dmp

        Filesize

        64KB

      • memory/3964-187-0x00000280C3D20000-0x00000280C3F90000-memory.dmp

        Filesize

        2.4MB

      • memory/3964-2-0x00000280C3D20000-0x00000280C3F90000-memory.dmp

        Filesize

        2.4MB

      • memory/3964-13-0x00000280C3F90000-0x00000280C3FA0000-memory.dmp

        Filesize

        64KB

      • memory/4576-366-0x000001D2843F0000-0x000001D2843F1000-memory.dmp

        Filesize

        4KB

      • memory/4576-383-0x000001D2843F0000-0x000001D2843F1000-memory.dmp

        Filesize

        4KB