Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-10-2024 01:24

General

  • Target

    8f5a17017f6723e7f40f626f10b973c109463e431c77c5d8257150551d3d0137.js

  • Size

    210KB

  • MD5

    545558f7f19d53890a240c10a524b8c6

  • SHA1

    63bfcebbbba94b5dde80814e5e62daee4c176868

  • SHA256

    8f5a17017f6723e7f40f626f10b973c109463e431c77c5d8257150551d3d0137

  • SHA512

    8e8d4448e612984f78a28ccc5b913051817153f388642c9df0b01d44bd36ad0206f8e73e1f248c341f00f0489f9da02959e76a92499d4f88387e464c6d6c8212

  • SSDEEP

    6144:HQxYvW9mwBmrPaig3JeC8Q5UmNdQByQT+ouoN:wtzKFgw2UWw

Malware Config

Signatures

  • STRRAT

    STRRAT is a remote access tool than can steal credentials and log keystrokes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 2 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.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 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:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\8f5a17017f6723e7f40f626f10b973c109463e431c77c5d8257150551d3d0137.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Program Files\Java\jre-1.8\bin\javaw.exe
      "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\lzcbmuyl.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4632
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\lzcbmuyl.txt"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:648
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\lzcbmuyl.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3508
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\lzcbmuyl.txt"
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2980
        • 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\lzcbmuyl.txt"
          4⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2764
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4216
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4532
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:756
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:992
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2840
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:1012
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:1468
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                6⤵
                  PID:3272

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna2885316524421064869.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1194130065-3471212556-1656947724-1000\83aa4cc77f591dfc2374580bbd95f6ba_a53bb4ca-6113-48bb-9609-441860fdd0d7

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\AppData\Roaming\lzcbmuyl.txt

        Filesize

        92KB

        MD5

        2cc7e15396dc275497fcf51f461da38d

        SHA1

        6fa0f11b6d9e3812a86ff1d43a86ad34bfc41062

        SHA256

        e14f1c7e11a1f1ddd570d605e4204a694a7370d603c1b1ca157e505f180ccc48

        SHA512

        daf71473c48f9592d33a49ff2f6d7b84e2c3a992f18a29979494cae86623328f0137c6ae9046cf3bbeb75d90d2a030d1fdbf3aca8718ea769429ce1e6e4a931f

      • 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/648-241-0x0000027B69FE0000-0x0000027B69FE1000-memory.dmp

        Filesize

        4KB

      • memory/648-219-0x0000027B69FE0000-0x0000027B69FE1000-memory.dmp

        Filesize

        4KB

      • memory/2764-286-0x0000014E298C0000-0x0000014E298C1000-memory.dmp

        Filesize

        4KB

      • memory/2764-269-0x0000014E298C0000-0x0000014E298C1000-memory.dmp

        Filesize

        4KB

      • memory/4632-106-0x000001D8364F0000-0x000001D836500000-memory.dmp

        Filesize

        64KB

      • memory/4632-4-0x000001D8360B0000-0x000001D836320000-memory.dmp

        Filesize

        2.4MB

      • memory/4632-30-0x000001D836390000-0x000001D8363A0000-memory.dmp

        Filesize

        64KB

      • memory/4632-29-0x000001D836380000-0x000001D836390000-memory.dmp

        Filesize

        64KB

      • memory/4632-31-0x000001D8363A0000-0x000001D8363B0000-memory.dmp

        Filesize

        64KB

      • memory/4632-38-0x000001D8363B0000-0x000001D8363C0000-memory.dmp

        Filesize

        64KB

      • memory/4632-37-0x000001D8360B0000-0x000001D836320000-memory.dmp

        Filesize

        2.4MB

      • memory/4632-41-0x000001D8363C0000-0x000001D8363D0000-memory.dmp

        Filesize

        64KB

      • memory/4632-43-0x000001D836320000-0x000001D836330000-memory.dmp

        Filesize

        64KB

      • memory/4632-46-0x000001D8363E0000-0x000001D8363F0000-memory.dmp

        Filesize

        64KB

      • memory/4632-45-0x000001D8363D0000-0x000001D8363E0000-memory.dmp

        Filesize

        64KB

      • memory/4632-50-0x000001D8363F0000-0x000001D836400000-memory.dmp

        Filesize

        64KB

      • memory/4632-49-0x000001D836350000-0x000001D836360000-memory.dmp

        Filesize

        64KB

      • memory/4632-48-0x000001D836340000-0x000001D836350000-memory.dmp

        Filesize

        64KB

      • memory/4632-44-0x000001D836330000-0x000001D836340000-memory.dmp

        Filesize

        64KB

      • memory/4632-53-0x000001D836400000-0x000001D836410000-memory.dmp

        Filesize

        64KB

      • memory/4632-113-0x000001D836510000-0x000001D836520000-memory.dmp

        Filesize

        64KB

      • memory/4632-59-0x000001D836380000-0x000001D836390000-memory.dmp

        Filesize

        64KB

      • memory/4632-60-0x000001D836390000-0x000001D8363A0000-memory.dmp

        Filesize

        64KB

      • memory/4632-58-0x000001D836420000-0x000001D836430000-memory.dmp

        Filesize

        64KB

      • memory/4632-57-0x000001D836410000-0x000001D836420000-memory.dmp

        Filesize

        64KB

      • memory/4632-56-0x000001D836370000-0x000001D836380000-memory.dmp

        Filesize

        64KB

      • memory/4632-62-0x000001D836430000-0x000001D836440000-memory.dmp

        Filesize

        64KB

      • memory/4632-69-0x000001D8363B0000-0x000001D8363C0000-memory.dmp

        Filesize

        64KB

      • memory/4632-68-0x000001D836450000-0x000001D836460000-memory.dmp

        Filesize

        64KB

      • memory/4632-67-0x000001D836440000-0x000001D836450000-memory.dmp

        Filesize

        64KB

      • memory/4632-115-0x000001D836460000-0x000001D836470000-memory.dmp

        Filesize

        64KB

      • memory/4632-71-0x000001D836090000-0x000001D836091000-memory.dmp

        Filesize

        4KB

      • memory/4632-73-0x000001D8363C0000-0x000001D8363D0000-memory.dmp

        Filesize

        64KB

      • memory/4632-74-0x000001D836460000-0x000001D836470000-memory.dmp

        Filesize

        64KB

      • memory/4632-75-0x000001D836090000-0x000001D836091000-memory.dmp

        Filesize

        4KB

      • memory/4632-78-0x000001D8363D0000-0x000001D8363E0000-memory.dmp

        Filesize

        64KB

      • memory/4632-80-0x000001D836470000-0x000001D836480000-memory.dmp

        Filesize

        64KB

      • memory/4632-79-0x000001D8363E0000-0x000001D8363F0000-memory.dmp

        Filesize

        64KB

      • memory/4632-83-0x000001D836480000-0x000001D836490000-memory.dmp

        Filesize

        64KB

      • memory/4632-85-0x000001D8363F0000-0x000001D836400000-memory.dmp

        Filesize

        64KB

      • memory/4632-88-0x000001D836400000-0x000001D836410000-memory.dmp

        Filesize

        64KB

      • memory/4632-87-0x000001D8364A0000-0x000001D8364B0000-memory.dmp

        Filesize

        64KB

      • memory/4632-86-0x000001D836490000-0x000001D8364A0000-memory.dmp

        Filesize

        64KB

      • memory/4632-98-0x000001D836420000-0x000001D836430000-memory.dmp

        Filesize

        64KB

      • memory/4632-97-0x000001D8364E0000-0x000001D8364F0000-memory.dmp

        Filesize

        64KB

      • memory/4632-96-0x000001D8364D0000-0x000001D8364E0000-memory.dmp

        Filesize

        64KB

      • memory/4632-95-0x000001D8364C0000-0x000001D8364D0000-memory.dmp

        Filesize

        64KB

      • memory/4632-94-0x000001D8364B0000-0x000001D8364C0000-memory.dmp

        Filesize

        64KB

      • memory/4632-93-0x000001D836410000-0x000001D836420000-memory.dmp

        Filesize

        64KB

      • memory/4632-103-0x000001D836090000-0x000001D836091000-memory.dmp

        Filesize

        4KB

      • memory/4632-25-0x000001D836090000-0x000001D836091000-memory.dmp

        Filesize

        4KB

      • memory/4632-105-0x000001D836430000-0x000001D836440000-memory.dmp

        Filesize

        64KB

      • memory/4632-109-0x000001D836450000-0x000001D836460000-memory.dmp

        Filesize

        64KB

      • memory/4632-110-0x000001D836500000-0x000001D836510000-memory.dmp

        Filesize

        64KB

      • memory/4632-108-0x000001D836440000-0x000001D836450000-memory.dmp

        Filesize

        64KB

      • memory/4632-112-0x000001D836090000-0x000001D836091000-memory.dmp

        Filesize

        4KB

      • memory/4632-52-0x000001D836360000-0x000001D836370000-memory.dmp

        Filesize

        64KB

      • memory/4632-24-0x000001D836370000-0x000001D836380000-memory.dmp

        Filesize

        64KB

      • memory/4632-66-0x000001D8363A0000-0x000001D8363B0000-memory.dmp

        Filesize

        64KB

      • memory/4632-119-0x000001D836530000-0x000001D836540000-memory.dmp

        Filesize

        64KB

      • memory/4632-118-0x000001D836470000-0x000001D836480000-memory.dmp

        Filesize

        64KB

      • memory/4632-120-0x000001D836090000-0x000001D836091000-memory.dmp

        Filesize

        4KB

      • memory/4632-126-0x000001D836540000-0x000001D836550000-memory.dmp

        Filesize

        64KB

      • memory/4632-125-0x000001D836480000-0x000001D836490000-memory.dmp

        Filesize

        64KB

      • memory/4632-128-0x000001D836490000-0x000001D8364A0000-memory.dmp

        Filesize

        64KB

      • memory/4632-130-0x000001D836550000-0x000001D836560000-memory.dmp

        Filesize

        64KB

      • memory/4632-129-0x000001D8364A0000-0x000001D8364B0000-memory.dmp

        Filesize

        64KB

      • memory/4632-132-0x000001D836560000-0x000001D836570000-memory.dmp

        Filesize

        64KB

      • memory/4632-142-0x000001D836570000-0x000001D836580000-memory.dmp

        Filesize

        64KB

      • memory/4632-141-0x000001D8364E0000-0x000001D8364F0000-memory.dmp

        Filesize

        64KB

      • memory/4632-140-0x000001D8364D0000-0x000001D8364E0000-memory.dmp

        Filesize

        64KB

      • memory/4632-139-0x000001D8364C0000-0x000001D8364D0000-memory.dmp

        Filesize

        64KB

      • memory/4632-138-0x000001D8364B0000-0x000001D8364C0000-memory.dmp

        Filesize

        64KB

      • memory/4632-144-0x000001D836090000-0x000001D836091000-memory.dmp

        Filesize

        4KB

      • memory/4632-146-0x000001D836580000-0x000001D836590000-memory.dmp

        Filesize

        64KB

      • memory/4632-149-0x000001D836090000-0x000001D836091000-memory.dmp

        Filesize

        4KB

      • memory/4632-151-0x000001D8364F0000-0x000001D836500000-memory.dmp

        Filesize

        64KB

      • memory/4632-152-0x000001D836500000-0x000001D836510000-memory.dmp

        Filesize

        64KB

      • memory/4632-154-0x000001D836090000-0x000001D836091000-memory.dmp

        Filesize

        4KB

      • memory/4632-155-0x000001D836090000-0x000001D836091000-memory.dmp

        Filesize

        4KB

      • memory/4632-161-0x000001D836350000-0x000001D836360000-memory.dmp

        Filesize

        64KB

      • memory/4632-180-0x000001D836480000-0x000001D836490000-memory.dmp

        Filesize

        64KB

      • memory/4632-179-0x000001D836470000-0x000001D836480000-memory.dmp

        Filesize

        64KB

      • memory/4632-178-0x000001D836460000-0x000001D836470000-memory.dmp

        Filesize

        64KB

      • memory/4632-177-0x000001D836450000-0x000001D836460000-memory.dmp

        Filesize

        64KB

      • memory/4632-176-0x000001D836440000-0x000001D836450000-memory.dmp

        Filesize

        64KB

      • memory/4632-175-0x000001D836430000-0x000001D836440000-memory.dmp

        Filesize

        64KB

      • memory/4632-174-0x000001D836370000-0x000001D836380000-memory.dmp

        Filesize

        64KB

      • memory/4632-173-0x000001D836410000-0x000001D836420000-memory.dmp

        Filesize

        64KB

      • memory/4632-172-0x000001D836400000-0x000001D836410000-memory.dmp

        Filesize

        64KB

      • memory/4632-171-0x000001D8363F0000-0x000001D836400000-memory.dmp

        Filesize

        64KB

      • memory/4632-170-0x000001D8363E0000-0x000001D8363F0000-memory.dmp

        Filesize

        64KB

      • memory/4632-169-0x000001D8363D0000-0x000001D8363E0000-memory.dmp

        Filesize

        64KB

      • memory/4632-168-0x000001D8363C0000-0x000001D8363D0000-memory.dmp

        Filesize

        64KB

      • memory/4632-167-0x000001D8363B0000-0x000001D8363C0000-memory.dmp

        Filesize

        64KB

      • memory/4632-166-0x000001D8363A0000-0x000001D8363B0000-memory.dmp

        Filesize

        64KB

      • memory/4632-165-0x000001D836390000-0x000001D8363A0000-memory.dmp

        Filesize

        64KB

      • memory/4632-164-0x000001D836380000-0x000001D836390000-memory.dmp

        Filesize

        64KB

      • memory/4632-163-0x000001D836420000-0x000001D836430000-memory.dmp

        Filesize

        64KB

      • memory/4632-21-0x000001D836340000-0x000001D836350000-memory.dmp

        Filesize

        64KB

      • memory/4632-22-0x000001D836350000-0x000001D836360000-memory.dmp

        Filesize

        64KB

      • memory/4632-23-0x000001D836360000-0x000001D836370000-memory.dmp

        Filesize

        64KB

      • memory/4632-15-0x000001D836320000-0x000001D836330000-memory.dmp

        Filesize

        64KB

      • memory/4632-16-0x000001D836330000-0x000001D836340000-memory.dmp

        Filesize

        64KB

      • memory/4632-116-0x000001D836520000-0x000001D836530000-memory.dmp

        Filesize

        64KB

      • memory/4632-162-0x000001D8360B0000-0x000001D836320000-memory.dmp

        Filesize

        2.4MB

      • memory/4632-160-0x000001D836340000-0x000001D836350000-memory.dmp

        Filesize

        64KB

      • memory/4632-158-0x000001D836330000-0x000001D836340000-memory.dmp

        Filesize

        64KB

      • memory/4632-157-0x000001D836320000-0x000001D836330000-memory.dmp

        Filesize

        64KB

      • memory/4632-156-0x000001D836360000-0x000001D836370000-memory.dmp

        Filesize

        64KB