Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 13:19

General

  • Target

    27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar

  • Size

    558KB

  • MD5

    cbc196fe2d418f1e6ad46cc906a1f6fa

  • SHA1

    cd0b7f45e2f5077b567f26b8bb0d553d6e605311

  • SHA256

    27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c

  • SHA512

    94694d8e7993696c9f871c027b072d4788130cfd6f9155a0fa451840bedbd6d70e544f0e567c6f5f4899b7a5f37c032decdbb8c29fe432709fdf6c7e5887a6ae

  • SSDEEP

    6144:FsoiTHc0JQc7jot+Tn3leT9OMiYNf2M57Qu1LJ5NIn4knrWIMXYMXs+72EE/20y/:FsogJItaeR/NucMu11INrWlX2/nyz+5w

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\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1952
    • 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:4624
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4372
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2228
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar"
          4⤵
          • Creates scheduled task(s)
          PID:3832
      • 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\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4480
        • 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:3532
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4440
        • 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:4412
          • 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:2388
        • 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:2468
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:1656
          • 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:4172
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:3516

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        1631fb3b32b43fae5af166ed299f1c9c

        SHA1

        0a966c3366fc29030e70fd5f1ecfaf1e87e62119

        SHA256

        cdb86c6896207493b154ef40aba60a44c667b2aad7b62a3270e9440e315b53ef

        SHA512

        77b72f54cce7b75ee1e49f287eda39cde8bf1a7383475198e4850db2753068284bab9dd834bc6a29d361fbba770c6e70b0449d8dda7b5554879a3e9f49fd2de8

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

        Filesize

        46B

        MD5

        9f11867c6e72a888d24942a6e3590a56

        SHA1

        6a8ddb2a3c8f74243946cf4f3337688833c6d460

        SHA256

        94859233500449313929c96b99f5ad1855f07becad527e849e577cd43d43bb13

        SHA512

        d7ef241c47f2f290f5edeadb7d7388dccb77b6377e0cf8d73f51c435fc2c3007b6b258a424070491182028190e0630e3b67e7b18998f0bb1e50096a92faab98b

      • C:\Users\Admin\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar

        Filesize

        558KB

        MD5

        cbc196fe2d418f1e6ad46cc906a1f6fa

        SHA1

        cd0b7f45e2f5077b567f26b8bb0d553d6e605311

        SHA256

        27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c

        SHA512

        94694d8e7993696c9f871c027b072d4788130cfd6f9155a0fa451840bedbd6d70e544f0e567c6f5f4899b7a5f37c032decdbb8c29fe432709fdf6c7e5887a6ae

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna2048752752895760103.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-711569230-3659488422-571408806-1000\83aa4cc77f591dfc2374580bbd95f6ba_5fd6b8d9-48b3-42c0-adc7-08f9fe7c965e

        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/1952-107-0x0000018D80360000-0x0000018D80370000-memory.dmp

        Filesize

        64KB

      • memory/1952-31-0x0000018D802F0000-0x0000018D80300000-memory.dmp

        Filesize

        64KB

      • memory/1952-24-0x0000018D802C0000-0x0000018D802D0000-memory.dmp

        Filesize

        64KB

      • memory/1952-27-0x0000018D802E0000-0x0000018D802F0000-memory.dmp

        Filesize

        64KB

      • memory/1952-23-0x0000018D802B0000-0x0000018D802C0000-memory.dmp

        Filesize

        64KB

      • memory/1952-115-0x0000018D80390000-0x0000018D803A0000-memory.dmp

        Filesize

        64KB

      • memory/1952-32-0x0000018D80300000-0x0000018D80310000-memory.dmp

        Filesize

        64KB

      • memory/1952-116-0x0000018D80480000-0x0000018D80490000-memory.dmp

        Filesize

        64KB

      • memory/1952-39-0x0000018D80320000-0x0000018D80330000-memory.dmp

        Filesize

        64KB

      • memory/1952-40-0x0000018DF4880000-0x0000018DF4881000-memory.dmp

        Filesize

        4KB

      • memory/1952-42-0x0000018D80330000-0x0000018D80340000-memory.dmp

        Filesize

        64KB

      • memory/1952-45-0x0000018D80000000-0x0000018D80270000-memory.dmp

        Filesize

        2.4MB

      • memory/1952-46-0x0000018D80340000-0x0000018D80350000-memory.dmp

        Filesize

        64KB

      • memory/1952-47-0x0000018D80350000-0x0000018D80360000-memory.dmp

        Filesize

        64KB

      • memory/1952-50-0x0000018D80270000-0x0000018D80280000-memory.dmp

        Filesize

        64KB

      • memory/1952-52-0x0000018D80360000-0x0000018D80370000-memory.dmp

        Filesize

        64KB

      • memory/1952-51-0x0000018D80280000-0x0000018D80290000-memory.dmp

        Filesize

        64KB

      • memory/1952-56-0x0000018D80380000-0x0000018D80390000-memory.dmp

        Filesize

        64KB

      • memory/1952-55-0x0000018D80370000-0x0000018D80380000-memory.dmp

        Filesize

        64KB

      • memory/1952-54-0x0000018D80290000-0x0000018D802A0000-memory.dmp

        Filesize

        64KB

      • memory/1952-59-0x0000018D80390000-0x0000018D803A0000-memory.dmp

        Filesize

        64KB

      • memory/1952-58-0x0000018D802A0000-0x0000018D802B0000-memory.dmp

        Filesize

        64KB

      • memory/1952-66-0x0000018D803A0000-0x0000018D803B0000-memory.dmp

        Filesize

        64KB

      • memory/1952-65-0x0000018D802D0000-0x0000018D802E0000-memory.dmp

        Filesize

        64KB

      • memory/1952-64-0x0000018D802C0000-0x0000018D802D0000-memory.dmp

        Filesize

        64KB

      • memory/1952-63-0x0000018D802B0000-0x0000018D802C0000-memory.dmp

        Filesize

        64KB

      • memory/1952-71-0x0000018D802E0000-0x0000018D802F0000-memory.dmp

        Filesize

        64KB

      • memory/1952-72-0x0000018D803B0000-0x0000018D803C0000-memory.dmp

        Filesize

        64KB

      • memory/1952-74-0x0000018D802F0000-0x0000018D80300000-memory.dmp

        Filesize

        64KB

      • memory/1952-76-0x0000018D80310000-0x0000018D80320000-memory.dmp

        Filesize

        64KB

      • memory/1952-77-0x0000018D803C0000-0x0000018D803D0000-memory.dmp

        Filesize

        64KB

      • memory/1952-75-0x0000018D80300000-0x0000018D80310000-memory.dmp

        Filesize

        64KB

      • memory/1952-83-0x0000018D803E0000-0x0000018D803F0000-memory.dmp

        Filesize

        64KB

      • memory/1952-82-0x0000018D803D0000-0x0000018D803E0000-memory.dmp

        Filesize

        64KB

      • memory/1952-81-0x0000018D80320000-0x0000018D80330000-memory.dmp

        Filesize

        64KB

      • memory/1952-87-0x0000018D80330000-0x0000018D80340000-memory.dmp

        Filesize

        64KB

      • memory/1952-84-0x0000018D803F0000-0x0000018D80400000-memory.dmp

        Filesize

        64KB

      • memory/1952-90-0x0000018D80410000-0x0000018D80420000-memory.dmp

        Filesize

        64KB

      • memory/1952-94-0x0000018D80340000-0x0000018D80350000-memory.dmp

        Filesize

        64KB

      • memory/1952-95-0x0000018D80420000-0x0000018D80430000-memory.dmp

        Filesize

        64KB

      • memory/1952-89-0x0000018D80400000-0x0000018D80410000-memory.dmp

        Filesize

        64KB

      • memory/1952-100-0x0000018D80450000-0x0000018D80460000-memory.dmp

        Filesize

        64KB

      • memory/1952-99-0x0000018D80440000-0x0000018D80450000-memory.dmp

        Filesize

        64KB

      • memory/1952-98-0x0000018D80430000-0x0000018D80440000-memory.dmp

        Filesize

        64KB

      • memory/1952-97-0x0000018D80350000-0x0000018D80360000-memory.dmp

        Filesize

        64KB

      • memory/1952-105-0x0000018DF4880000-0x0000018DF4881000-memory.dmp

        Filesize

        4KB

      • memory/1952-108-0x0000018D80460000-0x0000018D80470000-memory.dmp

        Filesize

        64KB

      • memory/1952-19-0x0000018D802A0000-0x0000018D802B0000-memory.dmp

        Filesize

        64KB

      • memory/1952-112-0x0000018D80470000-0x0000018D80480000-memory.dmp

        Filesize

        64KB

      • memory/1952-110-0x0000018D80370000-0x0000018D80380000-memory.dmp

        Filesize

        64KB

      • memory/1952-174-0x0000018D80000000-0x0000018D80270000-memory.dmp

        Filesize

        2.4MB

      • memory/1952-25-0x0000018D802D0000-0x0000018D802E0000-memory.dmp

        Filesize

        64KB

      • memory/1952-33-0x0000018D80310000-0x0000018D80320000-memory.dmp

        Filesize

        64KB

      • memory/1952-119-0x0000018D80490000-0x0000018D804A0000-memory.dmp

        Filesize

        64KB

      • memory/1952-118-0x0000018D803A0000-0x0000018D803B0000-memory.dmp

        Filesize

        64KB

      • memory/1952-122-0x0000018D804A0000-0x0000018D804B0000-memory.dmp

        Filesize

        64KB

      • memory/1952-121-0x0000018D803B0000-0x0000018D803C0000-memory.dmp

        Filesize

        64KB

      • memory/1952-125-0x0000018D803C0000-0x0000018D803D0000-memory.dmp

        Filesize

        64KB

      • memory/1952-126-0x0000018D804B0000-0x0000018D804C0000-memory.dmp

        Filesize

        64KB

      • memory/1952-127-0x0000018DF4880000-0x0000018DF4881000-memory.dmp

        Filesize

        4KB

      • memory/1952-132-0x0000018D803D0000-0x0000018D803E0000-memory.dmp

        Filesize

        64KB

      • memory/1952-135-0x0000018D804C0000-0x0000018D804D0000-memory.dmp

        Filesize

        64KB

      • memory/1952-134-0x0000018D803F0000-0x0000018D80400000-memory.dmp

        Filesize

        64KB

      • memory/1952-133-0x0000018D803E0000-0x0000018D803F0000-memory.dmp

        Filesize

        64KB

      • memory/1952-139-0x0000018D804D0000-0x0000018D804E0000-memory.dmp

        Filesize

        64KB

      • memory/1952-138-0x0000018D80410000-0x0000018D80420000-memory.dmp

        Filesize

        64KB

      • memory/1952-137-0x0000018D80400000-0x0000018D80410000-memory.dmp

        Filesize

        64KB

      • memory/1952-142-0x0000018D804E0000-0x0000018D804F0000-memory.dmp

        Filesize

        64KB

      • memory/1952-141-0x0000018D80420000-0x0000018D80430000-memory.dmp

        Filesize

        64KB

      • memory/1952-146-0x0000018D80430000-0x0000018D80440000-memory.dmp

        Filesize

        64KB

      • memory/1952-149-0x0000018D804F0000-0x0000018D80500000-memory.dmp

        Filesize

        64KB

      • memory/1952-148-0x0000018D80450000-0x0000018D80460000-memory.dmp

        Filesize

        64KB

      • memory/1952-147-0x0000018D80440000-0x0000018D80450000-memory.dmp

        Filesize

        64KB

      • memory/1952-150-0x0000018DF4880000-0x0000018DF4881000-memory.dmp

        Filesize

        4KB

      • memory/1952-156-0x0000018D80460000-0x0000018D80470000-memory.dmp

        Filesize

        64KB

      • memory/1952-159-0x0000018DF4880000-0x0000018DF4881000-memory.dmp

        Filesize

        4KB

      • memory/1952-161-0x0000018D80270000-0x0000018D80280000-memory.dmp

        Filesize

        64KB

      • memory/1952-162-0x0000018D80280000-0x0000018D80290000-memory.dmp

        Filesize

        64KB

      • memory/1952-160-0x0000018D80290000-0x0000018D802A0000-memory.dmp

        Filesize

        64KB

      • memory/1952-164-0x0000018D802B0000-0x0000018D802C0000-memory.dmp

        Filesize

        64KB

      • memory/1952-172-0x0000018D80330000-0x0000018D80340000-memory.dmp

        Filesize

        64KB

      • memory/1952-173-0x0000018D80340000-0x0000018D80350000-memory.dmp

        Filesize

        64KB

      • memory/1952-171-0x0000018D80320000-0x0000018D80330000-memory.dmp

        Filesize

        64KB

      • memory/1952-170-0x0000018D80310000-0x0000018D80320000-memory.dmp

        Filesize

        64KB

      • memory/1952-169-0x0000018D80300000-0x0000018D80310000-memory.dmp

        Filesize

        64KB

      • memory/1952-168-0x0000018D802F0000-0x0000018D80300000-memory.dmp

        Filesize

        64KB

      • memory/1952-167-0x0000018D802E0000-0x0000018D802F0000-memory.dmp

        Filesize

        64KB

      • memory/1952-166-0x0000018D802D0000-0x0000018D802E0000-memory.dmp

        Filesize

        64KB

      • memory/1952-165-0x0000018D802C0000-0x0000018D802D0000-memory.dmp

        Filesize

        64KB

      • memory/1952-163-0x0000018D802A0000-0x0000018D802B0000-memory.dmp

        Filesize

        64KB

      • memory/1952-180-0x0000018D804A0000-0x0000018D804B0000-memory.dmp

        Filesize

        64KB

      • memory/1952-179-0x0000018D80490000-0x0000018D804A0000-memory.dmp

        Filesize

        64KB

      • memory/1952-178-0x0000018D80480000-0x0000018D80490000-memory.dmp

        Filesize

        64KB

      • memory/1952-177-0x0000018D80470000-0x0000018D80480000-memory.dmp

        Filesize

        64KB

      • memory/1952-15-0x0000018D80270000-0x0000018D80280000-memory.dmp

        Filesize

        64KB

      • memory/1952-176-0x0000018D803F0000-0x0000018D80400000-memory.dmp

        Filesize

        64KB

      • memory/1952-175-0x0000018D803A0000-0x0000018D803B0000-memory.dmp

        Filesize

        64KB

      • memory/1952-111-0x0000018D80380000-0x0000018D80390000-memory.dmp

        Filesize

        64KB

      • memory/1952-2-0x0000018D80000000-0x0000018D80270000-memory.dmp

        Filesize

        2.4MB

      • memory/1952-16-0x0000018D80280000-0x0000018D80290000-memory.dmp

        Filesize

        64KB

      • memory/1952-17-0x0000018D80290000-0x0000018D802A0000-memory.dmp

        Filesize

        64KB

      • memory/4372-232-0x0000024BEACE0000-0x0000024BEACE1000-memory.dmp

        Filesize

        4KB

      • memory/4480-275-0x00000180D3DC0000-0x00000180D3DC1000-memory.dmp

        Filesize

        4KB