Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-08-2024 01:09

General

  • Target

    19fff8df6f516a8f4238e8da59950d1a29d8eb9c709be012aa6b7c1d100e0c8a.jar

  • Size

    400KB

  • MD5

    906e5517af46030a70c411c841208ad6

  • SHA1

    caecf91a468e492694e54be1f00dd67407c33734

  • SHA256

    19fff8df6f516a8f4238e8da59950d1a29d8eb9c709be012aa6b7c1d100e0c8a

  • SHA512

    57d081e206ff4f7fb8558c573f323fbce4f132062c714dcb576b96abf03fa37c98f1beae54f12af9cd6fff2abd4321985eae6dbc02c190aa0f7576f6d3b12972

  • SSDEEP

    12288:aRrWHTQ5a9ZVDBotv7V3JZCjc9NP9iNSe:aNSTQ5EuJ5vP9QR

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.

  • Scheduled Task/Job: Scheduled Task 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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\19fff8df6f516a8f4238e8da59950d1a29d8eb9c709be012aa6b7c1d100e0c8a.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4572
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\19fff8df6f516a8f4238e8da59950d1a29d8eb9c709be012aa6b7c1d100e0c8a.jar"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1428
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\19fff8df6f516a8f4238e8da59950d1a29d8eb9c709be012aa6b7c1d100e0c8a.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4900
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\19fff8df6f516a8f4238e8da59950d1a29d8eb9c709be012aa6b7c1d100e0c8a.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:456
      • 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\19fff8df6f516a8f4238e8da59950d1a29d8eb9c709be012aa6b7c1d100e0c8a.jar"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4236
        • 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:4832
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2916
        • 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:848
          • 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:2012
        • 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:3644
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:3172
          • 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:692
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:1232
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4152,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4308 /prefetch:8
        1⤵
          PID:1528

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          46B

          MD5

          af8fd2059d7eb71f7911e902e6199b7f

          SHA1

          2d291a887f7eccf84ba2b91d96fdfd6b686144af

          SHA256

          141cc6748303a219f16bf534e0714316bfb9222946c0fac71d338304b5355c3a

          SHA512

          e04ce999c0f8c4ba0fd383443da80d4292466cfa6f92def259839f63e5fc19c117b5b62fec42e5a3fbdf50faf4f7aef2b91eddd1d3572999fd7d923134f30998

        • C:\Users\Admin\19fff8df6f516a8f4238e8da59950d1a29d8eb9c709be012aa6b7c1d100e0c8a.jar

          Filesize

          400KB

          MD5

          906e5517af46030a70c411c841208ad6

          SHA1

          caecf91a468e492694e54be1f00dd67407c33734

          SHA256

          19fff8df6f516a8f4238e8da59950d1a29d8eb9c709be012aa6b7c1d100e0c8a

          SHA512

          57d081e206ff4f7fb8558c573f323fbce4f132062c714dcb576b96abf03fa37c98f1beae54f12af9cd6fff2abd4321985eae6dbc02c190aa0f7576f6d3b12972

        • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna1667932924070437873.dll

          Filesize

          241KB

          MD5

          e02979ecd43bcc9061eb2b494ab5af50

          SHA1

          3122ac0e751660f646c73b10c4f79685aa65c545

          SHA256

          a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

          SHA512

          1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

        • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2170637797-568393320-3232933035-1000\83aa4cc77f591dfc2374580bbd95f6ba_76278eb0-9988-43b4-9423-af5897ebbcb4

          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/1428-250-0x0000023937F70000-0x0000023937F71000-memory.dmp

          Filesize

          4KB

        • memory/4236-342-0x00000228E1360000-0x00000228E1361000-memory.dmp

          Filesize

          4KB

        • memory/4572-100-0x000001C836910000-0x000001C836920000-memory.dmp

          Filesize

          64KB

        • memory/4572-35-0x000001C8368A0000-0x000001C8368B0000-memory.dmp

          Filesize

          64KB

        • memory/4572-27-0x000001C836860000-0x000001C836870000-memory.dmp

          Filesize

          64KB

        • memory/4572-26-0x000001C836850000-0x000001C836860000-memory.dmp

          Filesize

          64KB

        • memory/4572-33-0x000001C836890000-0x000001C8368A0000-memory.dmp

          Filesize

          64KB

        • memory/4572-32-0x000001C836880000-0x000001C836890000-memory.dmp

          Filesize

          64KB

        • memory/4572-31-0x000001C836870000-0x000001C836880000-memory.dmp

          Filesize

          64KB

        • memory/4572-112-0x000001C836940000-0x000001C836950000-memory.dmp

          Filesize

          64KB

        • memory/4572-39-0x000001C8368B0000-0x000001C8368C0000-memory.dmp

          Filesize

          64KB

        • memory/4572-40-0x000001C8368C0000-0x000001C8368D0000-memory.dmp

          Filesize

          64KB

        • memory/4572-42-0x000001C8368D0000-0x000001C8368E0000-memory.dmp

          Filesize

          64KB

        • memory/4572-41-0x000001C836580000-0x000001C8367F0000-memory.dmp

          Filesize

          2.4MB

        • memory/4572-46-0x000001C8368E0000-0x000001C8368F0000-memory.dmp

          Filesize

          64KB

        • memory/4572-45-0x000001C836800000-0x000001C836810000-memory.dmp

          Filesize

          64KB

        • memory/4572-44-0x000001C8367F0000-0x000001C836800000-memory.dmp

          Filesize

          64KB

        • memory/4572-53-0x000001C8368F0000-0x000001C836900000-memory.dmp

          Filesize

          64KB

        • memory/4572-52-0x000001C836810000-0x000001C836820000-memory.dmp

          Filesize

          64KB

        • memory/4572-60-0x000001C836910000-0x000001C836920000-memory.dmp

          Filesize

          64KB

        • memory/4572-59-0x000001C836900000-0x000001C836910000-memory.dmp

          Filesize

          64KB

        • memory/4572-58-0x000001C836830000-0x000001C836840000-memory.dmp

          Filesize

          64KB

        • memory/4572-57-0x000001C836820000-0x000001C836830000-memory.dmp

          Filesize

          64KB

        • memory/4572-62-0x000001C836920000-0x000001C836930000-memory.dmp

          Filesize

          64KB

        • memory/4572-61-0x000001C836840000-0x000001C836850000-memory.dmp

          Filesize

          64KB

        • memory/4572-66-0x000001C836930000-0x000001C836940000-memory.dmp

          Filesize

          64KB

        • memory/4572-65-0x000001C836860000-0x000001C836870000-memory.dmp

          Filesize

          64KB

        • memory/4572-64-0x000001C836850000-0x000001C836860000-memory.dmp

          Filesize

          64KB

        • memory/4572-69-0x000001C836870000-0x000001C836880000-memory.dmp

          Filesize

          64KB

        • memory/4572-72-0x000001C836940000-0x000001C836950000-memory.dmp

          Filesize

          64KB

        • memory/4572-71-0x000001C836890000-0x000001C8368A0000-memory.dmp

          Filesize

          64KB

        • memory/4572-76-0x000001C836950000-0x000001C836960000-memory.dmp

          Filesize

          64KB

        • memory/4572-75-0x000001C8368A0000-0x000001C8368B0000-memory.dmp

          Filesize

          64KB

        • memory/4572-70-0x000001C836880000-0x000001C836890000-memory.dmp

          Filesize

          64KB

        • memory/4572-68-0x000001C834D90000-0x000001C834D91000-memory.dmp

          Filesize

          4KB

        • memory/4572-78-0x000001C8368B0000-0x000001C8368C0000-memory.dmp

          Filesize

          64KB

        • memory/4572-80-0x000001C836970000-0x000001C836980000-memory.dmp

          Filesize

          64KB

        • memory/4572-79-0x000001C836960000-0x000001C836970000-memory.dmp

          Filesize

          64KB

        • memory/4572-83-0x000001C836980000-0x000001C836990000-memory.dmp

          Filesize

          64KB

        • memory/4572-82-0x000001C8368C0000-0x000001C8368D0000-memory.dmp

          Filesize

          64KB

        • memory/4572-89-0x000001C836990000-0x000001C8369A0000-memory.dmp

          Filesize

          64KB

        • memory/4572-88-0x000001C8368D0000-0x000001C8368E0000-memory.dmp

          Filesize

          64KB

        • memory/4572-91-0x000001C8369A0000-0x000001C8369B0000-memory.dmp

          Filesize

          64KB

        • memory/4572-90-0x000001C8368E0000-0x000001C8368F0000-memory.dmp

          Filesize

          64KB

        • memory/4572-94-0x000001C8368F0000-0x000001C836900000-memory.dmp

          Filesize

          64KB

        • memory/4572-95-0x000001C8369B0000-0x000001C8369C0000-memory.dmp

          Filesize

          64KB

        • memory/4572-101-0x000001C8369C0000-0x000001C8369D0000-memory.dmp

          Filesize

          64KB

        • memory/4572-23-0x000001C836840000-0x000001C836850000-memory.dmp

          Filesize

          64KB

        • memory/4572-99-0x000001C836900000-0x000001C836910000-memory.dmp

          Filesize

          64KB

        • memory/4572-105-0x000001C8369D0000-0x000001C8369E0000-memory.dmp

          Filesize

          64KB

        • memory/4572-111-0x000001C8369F0000-0x000001C836A00000-memory.dmp

          Filesize

          64KB

        • memory/4572-104-0x000001C836920000-0x000001C836930000-memory.dmp

          Filesize

          64KB

        • memory/4572-134-0x000001C836A50000-0x000001C836A60000-memory.dmp

          Filesize

          64KB

        • memory/4572-21-0x000001C836820000-0x000001C836830000-memory.dmp

          Filesize

          64KB

        • memory/4572-107-0x000001C8369E0000-0x000001C8369F0000-memory.dmp

          Filesize

          64KB

        • memory/4572-110-0x000001C8369F0000-0x000001C836A00000-memory.dmp

          Filesize

          64KB

        • memory/4572-109-0x000001C836930000-0x000001C836940000-memory.dmp

          Filesize

          64KB

        • memory/4572-119-0x000001C836A20000-0x000001C836A30000-memory.dmp

          Filesize

          64KB

        • memory/4572-118-0x000001C836A10000-0x000001C836A20000-memory.dmp

          Filesize

          64KB

        • memory/4572-117-0x000001C836950000-0x000001C836960000-memory.dmp

          Filesize

          64KB

        • memory/4572-124-0x000001C834D90000-0x000001C834D91000-memory.dmp

          Filesize

          4KB

        • memory/4572-125-0x000001C836960000-0x000001C836970000-memory.dmp

          Filesize

          64KB

        • memory/4572-126-0x000001C836970000-0x000001C836980000-memory.dmp

          Filesize

          64KB

        • memory/4572-127-0x000001C836A30000-0x000001C836A40000-memory.dmp

          Filesize

          64KB

        • memory/4572-128-0x000001C834D90000-0x000001C834D91000-memory.dmp

          Filesize

          4KB

        • memory/4572-132-0x000001C836A40000-0x000001C836A50000-memory.dmp

          Filesize

          64KB

        • memory/4572-130-0x000001C836980000-0x000001C836990000-memory.dmp

          Filesize

          64KB

        • memory/4572-133-0x000001C836990000-0x000001C8369A0000-memory.dmp

          Filesize

          64KB

        • memory/4572-113-0x000001C836A00000-0x000001C836A10000-memory.dmp

          Filesize

          64KB

        • memory/4572-136-0x000001C8369A0000-0x000001C8369B0000-memory.dmp

          Filesize

          64KB

        • memory/4572-137-0x000001C836A60000-0x000001C836A70000-memory.dmp

          Filesize

          64KB

        • memory/4572-139-0x000001C8369B0000-0x000001C8369C0000-memory.dmp

          Filesize

          64KB

        • memory/4572-140-0x000001C836A70000-0x000001C836A80000-memory.dmp

          Filesize

          64KB

        • memory/4572-142-0x000001C8369C0000-0x000001C8369D0000-memory.dmp

          Filesize

          64KB

        • memory/4572-143-0x000001C836A80000-0x000001C836A90000-memory.dmp

          Filesize

          64KB

        • memory/4572-145-0x000001C834D90000-0x000001C834D91000-memory.dmp

          Filesize

          4KB

        • memory/4572-149-0x000001C836A90000-0x000001C836AA0000-memory.dmp

          Filesize

          64KB

        • memory/4572-148-0x000001C8369F0000-0x000001C836A00000-memory.dmp

          Filesize

          64KB

        • memory/4572-147-0x000001C8369E0000-0x000001C8369F0000-memory.dmp

          Filesize

          64KB

        • memory/4572-146-0x000001C8369D0000-0x000001C8369E0000-memory.dmp

          Filesize

          64KB

        • memory/4572-153-0x000001C836AA0000-0x000001C836AB0000-memory.dmp

          Filesize

          64KB

        • memory/4572-151-0x000001C8369F0000-0x000001C836A00000-memory.dmp

          Filesize

          64KB

        • memory/4572-155-0x000001C836A00000-0x000001C836A10000-memory.dmp

          Filesize

          64KB

        • memory/4572-156-0x000001C836AB0000-0x000001C836AC0000-memory.dmp

          Filesize

          64KB

        • memory/4572-160-0x000001C836AC0000-0x000001C836AD0000-memory.dmp

          Filesize

          64KB

        • memory/4572-159-0x000001C836A20000-0x000001C836A30000-memory.dmp

          Filesize

          64KB

        • memory/4572-158-0x000001C836A10000-0x000001C836A20000-memory.dmp

          Filesize

          64KB

        • memory/4572-162-0x000001C836A30000-0x000001C836A40000-memory.dmp

          Filesize

          64KB

        • memory/4572-163-0x000001C836AD0000-0x000001C836AE0000-memory.dmp

          Filesize

          64KB

        • memory/4572-165-0x000001C834D90000-0x000001C834D91000-memory.dmp

          Filesize

          4KB

        • memory/4572-171-0x000001C836A40000-0x000001C836A50000-memory.dmp

          Filesize

          64KB

        • memory/4572-172-0x000001C836AE0000-0x000001C836AF0000-memory.dmp

          Filesize

          64KB

        • memory/4572-173-0x000001C834D90000-0x000001C834D91000-memory.dmp

          Filesize

          4KB

        • memory/4572-176-0x000001C836A50000-0x000001C836A60000-memory.dmp

          Filesize

          64KB

        • memory/4572-177-0x000001C834D90000-0x000001C834D91000-memory.dmp

          Filesize

          4KB

        • memory/4572-22-0x000001C836830000-0x000001C836840000-memory.dmp

          Filesize

          64KB

        • memory/4572-17-0x000001C836810000-0x000001C836820000-memory.dmp

          Filesize

          64KB

        • memory/4572-14-0x000001C8367F0000-0x000001C836800000-memory.dmp

          Filesize

          64KB

        • memory/4572-15-0x000001C836800000-0x000001C836810000-memory.dmp

          Filesize

          64KB

        • memory/4572-11-0x000001C834D90000-0x000001C834D91000-memory.dmp

          Filesize

          4KB

        • memory/4572-2-0x000001C836580000-0x000001C8367F0000-memory.dmp

          Filesize

          2.4MB

        • memory/4572-178-0x000001C836A60000-0x000001C836A70000-memory.dmp

          Filesize

          64KB

        • memory/4572-181-0x000001C836A70000-0x000001C836A80000-memory.dmp

          Filesize

          64KB

        • memory/4572-185-0x000001C836A80000-0x000001C836A90000-memory.dmp

          Filesize

          64KB

        • memory/4572-186-0x000001C836AF0000-0x000001C836B00000-memory.dmp

          Filesize

          64KB

        • memory/4572-187-0x000001C836B00000-0x000001C836B10000-memory.dmp

          Filesize

          64KB