Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2024 13:34

General

  • Target

    Tax Returns Of R38,765.js

  • Size

    211KB

  • MD5

    e947528c147eb16988daa321ae3cd7ea

  • SHA1

    3d8b74f4215266a55a81c2024af8748357250c62

  • SHA256

    9f447130d0bfc9381af846b22967c76537b8ebf452c241c1b78c1e55ce50843e

  • SHA512

    5ebd763f9a1461b05b5b78f46b865e6e086442480540e22914b3f496e226243a350533f5081bd7bb33f9d4763107c0caa12d97cfff521839763dfc13f63f0b8e

  • SSDEEP

    6144:DQBDS9zYBtO2eZxZZjk88ZNTJrpXrZgZkm:kBsexILyLlFrZQ

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\Tax Returns Of R38,765.js"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2140
    • 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\sfbftdnzey.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4636
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\sfbftdnzey.txt"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1224
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\sfbftdnzey.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3176
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\sfbftdnzey.txt"
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2036
        • 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\sfbftdnzey.txt"
          4⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4932
          • 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:744
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3996
          • 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:5076
            • 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:4152
          • 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:944
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:1240
            • 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:5056
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                6⤵
                  PID:3124

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        b6228118db2417c194178db5e9af5c49

        SHA1

        25e7b01ed15debaa0dbf39ae35d35a847a6cb96a

        SHA256

        048035e937d956e8199fd12db2083ad2c7f9f21836baa2ea7452657bbb66f17c

        SHA512

        31f3253e6bc3fcfa19af469a0fb68e51812b863779d561193f2991c8dca21b5c2fe21df1ae3852c3614d46903c258608f8587c606aa952fcaffb55bbd52b4e7c

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna1894415815954959888.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4050598569-1597076380-177084960-1000\83aa4cc77f591dfc2374580bbd95f6ba_cca0d105-8260-4611-8c12-bd85a7208b9f

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

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

        Filesize

        92KB

        MD5

        2543beb989715570292d7263b60bab1a

        SHA1

        ebb68838c9ce8f235349c2616bdd65f294b271ee

        SHA256

        3ec814fcff2491c0863b5d5e5e26af3799bae70bc7fa4768cb5fbac74f0e0cab

        SHA512

        c47b6f843bcc4906b03e011b0405b4bfb3bb65422e14fd6dd8bc7bc4975e055d5e93a3562c0031dcb065649d82b8e5ca30cf1279044bea572eb5c9ee30a264db

      • 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/1224-231-0x000002926EF50000-0x000002926EF51000-memory.dmp

        Filesize

        4KB

      • memory/1224-206-0x000002926EF50000-0x000002926EF51000-memory.dmp

        Filesize

        4KB

      • memory/4636-51-0x00000171CECC0000-0x00000171CECD0000-memory.dmp

        Filesize

        64KB

      • memory/4636-18-0x00000171CEC10000-0x00000171CEC20000-memory.dmp

        Filesize

        64KB

      • memory/4636-34-0x00000171CEC80000-0x00000171CEC90000-memory.dmp

        Filesize

        64KB

      • memory/4636-40-0x00000171CEBF0000-0x00000171CEC00000-memory.dmp

        Filesize

        64KB

      • memory/4636-42-0x00000171CEC90000-0x00000171CECA0000-memory.dmp

        Filesize

        64KB

      • memory/4636-47-0x00000171CECB0000-0x00000171CECC0000-memory.dmp

        Filesize

        64KB

      • memory/4636-45-0x00000171CECA0000-0x00000171CECB0000-memory.dmp

        Filesize

        64KB

      • memory/4636-46-0x00000171CEC10000-0x00000171CEC20000-memory.dmp

        Filesize

        64KB

      • memory/4636-41-0x00000171CEC00000-0x00000171CEC10000-memory.dmp

        Filesize

        64KB

      • memory/4636-50-0x00000171CEC20000-0x00000171CEC30000-memory.dmp

        Filesize

        64KB

      • memory/4636-54-0x00000171CEC40000-0x00000171CEC50000-memory.dmp

        Filesize

        64KB

      • memory/4636-53-0x00000171CEC30000-0x00000171CEC40000-memory.dmp

        Filesize

        64KB

      • memory/4636-59-0x00000171CEC50000-0x00000171CEC60000-memory.dmp

        Filesize

        64KB

      • memory/4636-62-0x00000171CED00000-0x00000171CED10000-memory.dmp

        Filesize

        64KB

      • memory/4636-61-0x00000171CEC60000-0x00000171CEC70000-memory.dmp

        Filesize

        64KB

      • memory/4636-58-0x00000171CECF0000-0x00000171CED00000-memory.dmp

        Filesize

        64KB

      • memory/4636-57-0x00000171CECE0000-0x00000171CECF0000-memory.dmp

        Filesize

        64KB

      • memory/4636-52-0x00000171CECD0000-0x00000171CECE0000-memory.dmp

        Filesize

        64KB

      • memory/4636-32-0x00000171CD0C0000-0x00000171CD0C1000-memory.dmp

        Filesize

        4KB

      • memory/4636-65-0x00000171CED10000-0x00000171CED20000-memory.dmp

        Filesize

        64KB

      • memory/4636-64-0x00000171CEC70000-0x00000171CEC80000-memory.dmp

        Filesize

        64KB

      • memory/4636-69-0x00000171CEC80000-0x00000171CEC90000-memory.dmp

        Filesize

        64KB

      • memory/4636-70-0x00000171CED20000-0x00000171CED30000-memory.dmp

        Filesize

        64KB

      • memory/4636-71-0x00000171CD0C0000-0x00000171CD0C1000-memory.dmp

        Filesize

        4KB

      • memory/4636-75-0x00000171CECA0000-0x00000171CECB0000-memory.dmp

        Filesize

        64KB

      • memory/4636-76-0x00000171CED30000-0x00000171CED40000-memory.dmp

        Filesize

        64KB

      • memory/4636-74-0x00000171CEC90000-0x00000171CECA0000-memory.dmp

        Filesize

        64KB

      • memory/4636-82-0x00000171CECB0000-0x00000171CECC0000-memory.dmp

        Filesize

        64KB

      • memory/4636-81-0x00000171CED50000-0x00000171CED60000-memory.dmp

        Filesize

        64KB

      • memory/4636-80-0x00000171CED40000-0x00000171CED50000-memory.dmp

        Filesize

        64KB

      • memory/4636-92-0x00000171CED80000-0x00000171CED90000-memory.dmp

        Filesize

        64KB

      • memory/4636-95-0x00000171CECD0000-0x00000171CECE0000-memory.dmp

        Filesize

        64KB

      • memory/4636-94-0x00000171CEDA0000-0x00000171CEDB0000-memory.dmp

        Filesize

        64KB

      • memory/4636-93-0x00000171CED90000-0x00000171CEDA0000-memory.dmp

        Filesize

        64KB

      • memory/4636-91-0x00000171CED70000-0x00000171CED80000-memory.dmp

        Filesize

        64KB

      • memory/4636-90-0x00000171CED60000-0x00000171CED70000-memory.dmp

        Filesize

        64KB

      • memory/4636-89-0x00000171CECC0000-0x00000171CECD0000-memory.dmp

        Filesize

        64KB

      • memory/4636-103-0x00000171CEDB0000-0x00000171CEDC0000-memory.dmp

        Filesize

        64KB

      • memory/4636-102-0x00000171CECF0000-0x00000171CED00000-memory.dmp

        Filesize

        64KB

      • memory/4636-101-0x00000171CECE0000-0x00000171CECF0000-memory.dmp

        Filesize

        64KB

      • memory/4636-106-0x00000171CD0C0000-0x00000171CD0C1000-memory.dmp

        Filesize

        4KB

      • memory/4636-109-0x00000171CEDD0000-0x00000171CEDE0000-memory.dmp

        Filesize

        64KB

      • memory/4636-111-0x00000171CED00000-0x00000171CED10000-memory.dmp

        Filesize

        64KB

      • memory/4636-115-0x00000171CEDF0000-0x00000171CEE00000-memory.dmp

        Filesize

        64KB

      • memory/4636-114-0x00000171CED10000-0x00000171CED20000-memory.dmp

        Filesize

        64KB

      • memory/4636-110-0x00000171CEDE0000-0x00000171CEDF0000-memory.dmp

        Filesize

        64KB

      • memory/4636-108-0x00000171CEDC0000-0x00000171CEDD0000-memory.dmp

        Filesize

        64KB

      • memory/4636-124-0x00000171CED50000-0x00000171CED60000-memory.dmp

        Filesize

        64KB

      • memory/4636-117-0x00000171CED20000-0x00000171CED30000-memory.dmp

        Filesize

        64KB

      • memory/4636-120-0x00000171CED30000-0x00000171CED40000-memory.dmp

        Filesize

        64KB

      • memory/4636-121-0x00000171CEE10000-0x00000171CEE20000-memory.dmp

        Filesize

        64KB

      • memory/4636-125-0x00000171CEE20000-0x00000171CEE30000-memory.dmp

        Filesize

        64KB

      • memory/4636-118-0x00000171CEE00000-0x00000171CEE10000-memory.dmp

        Filesize

        64KB

      • memory/4636-33-0x00000171CE980000-0x00000171CEBF0000-memory.dmp

        Filesize

        2.4MB

      • memory/4636-160-0x00000171CECD0000-0x00000171CECE0000-memory.dmp

        Filesize

        64KB

      • memory/4636-129-0x00000171CED60000-0x00000171CED70000-memory.dmp

        Filesize

        64KB

      • memory/4636-130-0x00000171CED70000-0x00000171CED80000-memory.dmp

        Filesize

        64KB

      • memory/4636-134-0x00000171CEE40000-0x00000171CEE50000-memory.dmp

        Filesize

        64KB

      • memory/4636-133-0x00000171CEDA0000-0x00000171CEDB0000-memory.dmp

        Filesize

        64KB

      • memory/4636-132-0x00000171CED90000-0x00000171CEDA0000-memory.dmp

        Filesize

        64KB

      • memory/4636-131-0x00000171CED80000-0x00000171CED90000-memory.dmp

        Filesize

        64KB

      • memory/4636-135-0x00000171CD0C0000-0x00000171CD0C1000-memory.dmp

        Filesize

        4KB

      • memory/4636-142-0x00000171CD0C0000-0x00000171CD0C1000-memory.dmp

        Filesize

        4KB

      • memory/4636-146-0x00000171CEDB0000-0x00000171CEDC0000-memory.dmp

        Filesize

        64KB

      • memory/4636-149-0x00000171CEDC0000-0x00000171CEDD0000-memory.dmp

        Filesize

        64KB

      • memory/4636-150-0x00000171CEDD0000-0x00000171CEDE0000-memory.dmp

        Filesize

        64KB

      • memory/4636-151-0x00000171CEDE0000-0x00000171CEDF0000-memory.dmp

        Filesize

        64KB

      • memory/4636-153-0x00000171CD0C0000-0x00000171CD0C1000-memory.dmp

        Filesize

        4KB

      • memory/4636-154-0x00000171CEE50000-0x00000171CEE60000-memory.dmp

        Filesize

        64KB

      • memory/4636-156-0x00000171CE980000-0x00000171CEBF0000-memory.dmp

        Filesize

        2.4MB

      • memory/4636-168-0x00000171CECB0000-0x00000171CECC0000-memory.dmp

        Filesize

        64KB

      • memory/4636-178-0x00000171CEE10000-0x00000171CEE20000-memory.dmp

        Filesize

        64KB

      • memory/4636-177-0x00000171CEE00000-0x00000171CEE10000-memory.dmp

        Filesize

        64KB

      • memory/4636-30-0x00000171CEC70000-0x00000171CEC80000-memory.dmp

        Filesize

        64KB

      • memory/4636-29-0x00000171CEC60000-0x00000171CEC70000-memory.dmp

        Filesize

        64KB

      • memory/4636-26-0x00000171CEC50000-0x00000171CEC60000-memory.dmp

        Filesize

        64KB

      • memory/4636-21-0x00000171CEC20000-0x00000171CEC30000-memory.dmp

        Filesize

        64KB

      • memory/4636-24-0x00000171CEC30000-0x00000171CEC40000-memory.dmp

        Filesize

        64KB

      • memory/4636-176-0x00000171CEDF0000-0x00000171CEE00000-memory.dmp

        Filesize

        64KB

      • memory/4636-175-0x00000171CED40000-0x00000171CED50000-memory.dmp

        Filesize

        64KB

      • memory/4636-174-0x00000171CED30000-0x00000171CED40000-memory.dmp

        Filesize

        64KB

      • memory/4636-173-0x00000171CECF0000-0x00000171CED00000-memory.dmp

        Filesize

        64KB

      • memory/4636-172-0x00000171CECE0000-0x00000171CECF0000-memory.dmp

        Filesize

        64KB

      • memory/4636-171-0x00000171CEC20000-0x00000171CEC30000-memory.dmp

        Filesize

        64KB

      • memory/4636-170-0x00000171CECC0000-0x00000171CECD0000-memory.dmp

        Filesize

        64KB

      • memory/4636-169-0x00000171CECA0000-0x00000171CECB0000-memory.dmp

        Filesize

        64KB

      • memory/4636-167-0x00000171CEC90000-0x00000171CECA0000-memory.dmp

        Filesize

        64KB

      • memory/4636-166-0x00000171CEC80000-0x00000171CEC90000-memory.dmp

        Filesize

        64KB

      • memory/4636-165-0x00000171CEC70000-0x00000171CEC80000-memory.dmp

        Filesize

        64KB

      • memory/4636-164-0x00000171CEC60000-0x00000171CEC70000-memory.dmp

        Filesize

        64KB

      • memory/4636-163-0x00000171CEC50000-0x00000171CEC60000-memory.dmp

        Filesize

        64KB

      • memory/4636-162-0x00000171CEC40000-0x00000171CEC50000-memory.dmp

        Filesize

        64KB

      • memory/4636-161-0x00000171CEC30000-0x00000171CEC40000-memory.dmp

        Filesize

        64KB

      • memory/4636-127-0x00000171CEE30000-0x00000171CEE40000-memory.dmp

        Filesize

        64KB

      • memory/4636-159-0x00000171CEC10000-0x00000171CEC20000-memory.dmp

        Filesize

        64KB

      • memory/4636-158-0x00000171CEC00000-0x00000171CEC10000-memory.dmp

        Filesize

        64KB

      • memory/4636-157-0x00000171CEBF0000-0x00000171CEC00000-memory.dmp

        Filesize

        64KB

      • memory/4636-25-0x00000171CEC40000-0x00000171CEC50000-memory.dmp

        Filesize

        64KB

      • memory/4636-16-0x00000171CEC00000-0x00000171CEC10000-memory.dmp

        Filesize

        64KB

      • memory/4636-123-0x00000171CED40000-0x00000171CED50000-memory.dmp

        Filesize

        64KB

      • memory/4636-15-0x00000171CEBF0000-0x00000171CEC00000-memory.dmp

        Filesize

        64KB

      • memory/4636-4-0x00000171CE980000-0x00000171CEBF0000-memory.dmp

        Filesize

        2.4MB

      • memory/4932-264-0x0000019659BA0000-0x0000019659BA1000-memory.dmp

        Filesize

        4KB

      • memory/4932-274-0x0000019659BA0000-0x0000019659BA1000-memory.dmp

        Filesize

        4KB

      • memory/4932-275-0x0000019659BA0000-0x0000019659BA1000-memory.dmp

        Filesize

        4KB