Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/05/2024, 10:02

General

  • Target

    3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar

  • Size

    547KB

  • MD5

    58cd4213ec3b3533f25c513f8c8955bd

  • SHA1

    beba41a4860199952e72d0b71260736f2191faea

  • SHA256

    3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507

  • SHA512

    d4e59abdcf835f3c0e14d3e74c03f26f790529488ce606fd84dab4543c66892d3bf05aa91783acec8792b06c3bea630e4e75256ea0bc72f61496ad86046b6752

  • SSDEEP

    12288:rDqOvqO5MBWvA+Ju7WOSi4sPjUj+H/GHH45TYEBn5:XvAoFuaOSspuH4lYM

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\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3016
    • 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:4684
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3260
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2104
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar"
          4⤵
          • Creates scheduled task(s)
          PID:4584
      • 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\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1668
        • 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:1596
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1144
        • 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:996
          • 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:1736
        • 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:1564
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:4420
          • 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:1124
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:1368

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        69662737a689eb53b683edc21e40fcea

        SHA1

        c268b033c58c5d61152d40e8d06d18613387bae5

        SHA256

        781802dabaca85ce92ad76bbc478bd2b3a4409a38023824c778cd74869f21df4

        SHA512

        27f6fb54783a60c1944cf8008559bf9b4203070cb11255e70074dfdb48fca7bd957ce8568986725870a9f70c5041e96df2c96f84e0cbcaf1a6866c08be84c59c

      • C:\Users\Admin\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar

        Filesize

        547KB

        MD5

        58cd4213ec3b3533f25c513f8c8955bd

        SHA1

        beba41a4860199952e72d0b71260736f2191faea

        SHA256

        3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507

        SHA512

        d4e59abdcf835f3c0e14d3e74c03f26f790529488ce606fd84dab4543c66892d3bf05aa91783acec8792b06c3bea630e4e75256ea0bc72f61496ad86046b6752

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna5391620624352137474.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2804150937-2146708401-419095071-1000\83aa4cc77f591dfc2374580bbd95f6ba_5a32ead2-14a8-4b34-b6a3-85cfb28e2fbd

        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/1668-307-0x000001A6FF990000-0x000001A6FF991000-memory.dmp

        Filesize

        4KB

      • memory/1668-292-0x000001A6FF990000-0x000001A6FF991000-memory.dmp

        Filesize

        4KB

      • memory/3016-111-0x000002A0FD030000-0x000002A0FD031000-memory.dmp

        Filesize

        4KB

      • memory/3016-70-0x000002A0803C0000-0x000002A0803D0000-memory.dmp

        Filesize

        64KB

      • memory/3016-36-0x000002A080320000-0x000002A080330000-memory.dmp

        Filesize

        64KB

      • memory/3016-35-0x000002A080310000-0x000002A080320000-memory.dmp

        Filesize

        64KB

      • memory/3016-42-0x000002A080000000-0x000002A080270000-memory.dmp

        Filesize

        2.4MB

      • memory/3016-43-0x000002A080330000-0x000002A080340000-memory.dmp

        Filesize

        64KB

      • memory/3016-46-0x000002A080340000-0x000002A080350000-memory.dmp

        Filesize

        64KB

      • memory/3016-48-0x000002A080350000-0x000002A080360000-memory.dmp

        Filesize

        64KB

      • memory/3016-47-0x000002A080270000-0x000002A080280000-memory.dmp

        Filesize

        64KB

      • memory/3016-53-0x000002A080360000-0x000002A080370000-memory.dmp

        Filesize

        64KB

      • memory/3016-52-0x000002A080290000-0x000002A0802A0000-memory.dmp

        Filesize

        64KB

      • memory/3016-51-0x000002A080280000-0x000002A080290000-memory.dmp

        Filesize

        64KB

      • memory/3016-54-0x000002A0802A0000-0x000002A0802B0000-memory.dmp

        Filesize

        64KB

      • memory/3016-57-0x000002A080370000-0x000002A080380000-memory.dmp

        Filesize

        64KB

      • memory/3016-56-0x000002A0802D0000-0x000002A0802E0000-memory.dmp

        Filesize

        64KB

      • memory/3016-55-0x000002A0802B0000-0x000002A0802C0000-memory.dmp

        Filesize

        64KB

      • memory/3016-62-0x000002A080390000-0x000002A0803A0000-memory.dmp

        Filesize

        64KB

      • memory/3016-61-0x000002A080380000-0x000002A080390000-memory.dmp

        Filesize

        64KB

      • memory/3016-60-0x000002A0802C0000-0x000002A0802D0000-memory.dmp

        Filesize

        64KB

      • memory/3016-65-0x000002A0802E0000-0x000002A0802F0000-memory.dmp

        Filesize

        64KB

      • memory/3016-67-0x000002A0803B0000-0x000002A0803C0000-memory.dmp

        Filesize

        64KB

      • memory/3016-121-0x000002A080490000-0x000002A0804A0000-memory.dmp

        Filesize

        64KB

      • memory/3016-69-0x000002A0802F0000-0x000002A080300000-memory.dmp

        Filesize

        64KB

      • memory/3016-66-0x000002A0803A0000-0x000002A0803B0000-memory.dmp

        Filesize

        64KB

      • memory/3016-74-0x000002A0FD030000-0x000002A0FD031000-memory.dmp

        Filesize

        4KB

      • memory/3016-120-0x000002A0803D0000-0x000002A0803E0000-memory.dmp

        Filesize

        64KB

      • memory/3016-75-0x000002A080300000-0x000002A080310000-memory.dmp

        Filesize

        64KB

      • memory/3016-80-0x000002A080310000-0x000002A080320000-memory.dmp

        Filesize

        64KB

      • memory/3016-81-0x000002A080320000-0x000002A080330000-memory.dmp

        Filesize

        64KB

      • memory/3016-82-0x000002A0803E0000-0x000002A0803F0000-memory.dmp

        Filesize

        64KB

      • memory/3016-90-0x000002A080410000-0x000002A080420000-memory.dmp

        Filesize

        64KB

      • memory/3016-89-0x000002A080400000-0x000002A080410000-memory.dmp

        Filesize

        64KB

      • memory/3016-88-0x000002A0803F0000-0x000002A080400000-memory.dmp

        Filesize

        64KB

      • memory/3016-87-0x000002A080330000-0x000002A080340000-memory.dmp

        Filesize

        64KB

      • memory/3016-91-0x000002A080340000-0x000002A080350000-memory.dmp

        Filesize

        64KB

      • memory/3016-92-0x000002A080420000-0x000002A080430000-memory.dmp

        Filesize

        64KB

      • memory/3016-102-0x000002A080450000-0x000002A080460000-memory.dmp

        Filesize

        64KB

      • memory/3016-99-0x000002A080440000-0x000002A080450000-memory.dmp

        Filesize

        64KB

      • memory/3016-98-0x000002A080360000-0x000002A080370000-memory.dmp

        Filesize

        64KB

      • memory/3016-95-0x000002A080350000-0x000002A080360000-memory.dmp

        Filesize

        64KB

      • memory/3016-118-0x000002A080480000-0x000002A080490000-memory.dmp

        Filesize

        64KB

      • memory/3016-97-0x000002A080430000-0x000002A080440000-memory.dmp

        Filesize

        64KB

      • memory/3016-106-0x000002A080460000-0x000002A080470000-memory.dmp

        Filesize

        64KB

      • memory/3016-105-0x000002A080390000-0x000002A0803A0000-memory.dmp

        Filesize

        64KB

      • memory/3016-104-0x000002A080380000-0x000002A080390000-memory.dmp

        Filesize

        64KB

      • memory/3016-2-0x000002A080000000-0x000002A080270000-memory.dmp

        Filesize

        2.4MB

      • memory/3016-113-0x000002A0803A0000-0x000002A0803B0000-memory.dmp

        Filesize

        64KB

      • memory/3016-115-0x000002A080470000-0x000002A080480000-memory.dmp

        Filesize

        64KB

      • memory/3016-114-0x000002A0803B0000-0x000002A0803C0000-memory.dmp

        Filesize

        64KB

      • memory/3016-117-0x000002A0803C0000-0x000002A0803D0000-memory.dmp

        Filesize

        64KB

      • memory/3016-101-0x000002A080370000-0x000002A080380000-memory.dmp

        Filesize

        64KB

      • memory/3016-33-0x000002A080300000-0x000002A080310000-memory.dmp

        Filesize

        64KB

      • memory/3016-76-0x000002A0803D0000-0x000002A0803E0000-memory.dmp

        Filesize

        64KB

      • memory/3016-124-0x000002A0804A0000-0x000002A0804B0000-memory.dmp

        Filesize

        64KB

      • memory/3016-123-0x000002A0803E0000-0x000002A0803F0000-memory.dmp

        Filesize

        64KB

      • memory/3016-125-0x000002A0FD030000-0x000002A0FD031000-memory.dmp

        Filesize

        4KB

      • memory/3016-127-0x000002A0803F0000-0x000002A080400000-memory.dmp

        Filesize

        64KB

      • memory/3016-131-0x000002A0804B0000-0x000002A0804C0000-memory.dmp

        Filesize

        64KB

      • memory/3016-130-0x000002A080430000-0x000002A080440000-memory.dmp

        Filesize

        64KB

      • memory/3016-129-0x000002A080410000-0x000002A080420000-memory.dmp

        Filesize

        64KB

      • memory/3016-128-0x000002A080400000-0x000002A080410000-memory.dmp

        Filesize

        64KB

      • memory/3016-135-0x000002A0804C0000-0x000002A0804D0000-memory.dmp

        Filesize

        64KB

      • memory/3016-134-0x000002A080420000-0x000002A080430000-memory.dmp

        Filesize

        64KB

      • memory/3016-137-0x000002A0804D0000-0x000002A0804E0000-memory.dmp

        Filesize

        64KB

      • memory/3016-139-0x000002A0FD030000-0x000002A0FD031000-memory.dmp

        Filesize

        4KB

      • memory/3016-144-0x000002A0804E0000-0x000002A0804F0000-memory.dmp

        Filesize

        64KB

      • memory/3016-143-0x000002A080440000-0x000002A080450000-memory.dmp

        Filesize

        64KB

      • memory/3016-146-0x000002A080450000-0x000002A080460000-memory.dmp

        Filesize

        64KB

      • memory/3016-147-0x000002A0804F0000-0x000002A080500000-memory.dmp

        Filesize

        64KB

      • memory/3016-149-0x000002A080460000-0x000002A080470000-memory.dmp

        Filesize

        64KB

      • memory/3016-150-0x000002A080500000-0x000002A080510000-memory.dmp

        Filesize

        64KB

      • memory/3016-157-0x000002A0FD030000-0x000002A0FD031000-memory.dmp

        Filesize

        4KB

      • memory/3016-159-0x000002A080470000-0x000002A080480000-memory.dmp

        Filesize

        64KB

      • memory/3016-161-0x000002A0FD030000-0x000002A0FD031000-memory.dmp

        Filesize

        4KB

      • memory/3016-29-0x000002A0802F0000-0x000002A080300000-memory.dmp

        Filesize

        64KB

      • memory/3016-166-0x000002A080290000-0x000002A0802A0000-memory.dmp

        Filesize

        64KB

      • memory/3016-165-0x000002A080280000-0x000002A080290000-memory.dmp

        Filesize

        64KB

      • memory/3016-164-0x000002A080270000-0x000002A080280000-memory.dmp

        Filesize

        64KB

      • memory/3016-163-0x000002A0802C0000-0x000002A0802D0000-memory.dmp

        Filesize

        64KB

      • memory/3016-181-0x000002A080380000-0x000002A080390000-memory.dmp

        Filesize

        64KB

      • memory/3016-180-0x000002A080370000-0x000002A080380000-memory.dmp

        Filesize

        64KB

      • memory/3016-179-0x000002A080360000-0x000002A080370000-memory.dmp

        Filesize

        64KB

      • memory/3016-178-0x000002A080350000-0x000002A080360000-memory.dmp

        Filesize

        64KB

      • memory/3016-177-0x000002A080340000-0x000002A080350000-memory.dmp

        Filesize

        64KB

      • memory/3016-176-0x000002A080330000-0x000002A080340000-memory.dmp

        Filesize

        64KB

      • memory/3016-175-0x000002A080320000-0x000002A080330000-memory.dmp

        Filesize

        64KB

      • memory/3016-174-0x000002A080310000-0x000002A080320000-memory.dmp

        Filesize

        64KB

      • memory/3016-173-0x000002A080300000-0x000002A080310000-memory.dmp

        Filesize

        64KB

      • memory/3016-172-0x000002A0802F0000-0x000002A080300000-memory.dmp

        Filesize

        64KB

      • memory/3016-171-0x000002A0802E0000-0x000002A0802F0000-memory.dmp

        Filesize

        64KB

      • memory/3016-170-0x000002A080000000-0x000002A080270000-memory.dmp

        Filesize

        2.4MB

      • memory/3016-169-0x000002A0802D0000-0x000002A0802E0000-memory.dmp

        Filesize

        64KB

      • memory/3016-168-0x000002A0802B0000-0x000002A0802C0000-memory.dmp

        Filesize

        64KB

      • memory/3016-167-0x000002A0802A0000-0x000002A0802B0000-memory.dmp

        Filesize

        64KB

      • memory/3016-30-0x000002A0FD030000-0x000002A0FD031000-memory.dmp

        Filesize

        4KB

      • memory/3016-28-0x000002A0802E0000-0x000002A0802F0000-memory.dmp

        Filesize

        64KB

      • memory/3016-22-0x000002A0802A0000-0x000002A0802B0000-memory.dmp

        Filesize

        64KB

      • memory/3016-23-0x000002A0802B0000-0x000002A0802C0000-memory.dmp

        Filesize

        64KB

      • memory/3016-13-0x000002A080270000-0x000002A080280000-memory.dmp

        Filesize

        64KB

      • memory/3016-24-0x000002A0802D0000-0x000002A0802E0000-memory.dmp

        Filesize

        64KB

      • memory/3016-25-0x000002A0802C0000-0x000002A0802D0000-memory.dmp

        Filesize

        64KB

      • memory/3016-17-0x000002A080280000-0x000002A080290000-memory.dmp

        Filesize

        64KB

      • memory/3016-18-0x000002A080290000-0x000002A0802A0000-memory.dmp

        Filesize

        64KB

      • memory/3260-246-0x000001741DFE0000-0x000001741DFE1000-memory.dmp

        Filesize

        4KB