Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-08-2024 15:21

General

  • Target

    287323eb8dce9257ec7c85c9bea69dd1730a1e15c2df7476343ce8a95567ff74.js

  • Size

    746KB

  • MD5

    e20445bd8d40d72c17a93a6e175842c2

  • SHA1

    9a887a492204632b05e67e9479d322ae620bb577

  • SHA256

    287323eb8dce9257ec7c85c9bea69dd1730a1e15c2df7476343ce8a95567ff74

  • SHA512

    d1bad3833aac26756a269d00c6fee14170a623951c8f9cb6b65ae01990b613966d76cef2cab440645a610c25f86c98b3995fff7b301e45e8905bbee5ae489b5d

  • SSDEEP

    6144:XQ792xbDD02mhpWBGtT1fMqGdlKzF5QG+sx9z5hubTYh/KI4GGp1/dKyuaDteR0C:gT

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\287323eb8dce9257ec7c85c9bea69dd1730a1e15c2df7476343ce8a95567ff74.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1096
    • 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\irbucj.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3868
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\irbucj.txt"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2716
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\irbucj.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4240
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\irbucj.txt"
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2612
        • 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\irbucj.txt"
          4⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2900
          • 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:2592
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4308
          • 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:3740
            • 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:4612
          • 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:3672
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:4548
            • 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:4628
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                6⤵
                  PID:1096

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna1130880806933676553.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4182098368-2521458979-3782681353-1000\83aa4cc77f591dfc2374580bbd95f6ba_ea0aa4d6-aa48-4733-9e64-85ab59ce35b0

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\AppData\Roaming\irbucj.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/2716-247-0x000001AB11B30000-0x000001AB11B31000-memory.dmp

        Filesize

        4KB

      • memory/2716-231-0x000001AB11B30000-0x000001AB11B31000-memory.dmp

        Filesize

        4KB

      • memory/2900-288-0x000002D225F00000-0x000002D225F01000-memory.dmp

        Filesize

        4KB

      • memory/2900-280-0x000002D225F00000-0x000002D225F01000-memory.dmp

        Filesize

        4KB

      • memory/3868-104-0x0000026B66A90000-0x0000026B66AA0000-memory.dmp

        Filesize

        64KB

      • memory/3868-4-0x0000026B66700000-0x0000026B66970000-memory.dmp

        Filesize

        2.4MB

      • memory/3868-28-0x0000026B669E0000-0x0000026B669F0000-memory.dmp

        Filesize

        64KB

      • memory/3868-29-0x0000026B666E0000-0x0000026B666E1000-memory.dmp

        Filesize

        4KB

      • memory/3868-35-0x0000026B669F0000-0x0000026B66A00000-memory.dmp

        Filesize

        64KB

      • memory/3868-38-0x0000026B66A00000-0x0000026B66A10000-memory.dmp

        Filesize

        64KB

      • memory/3868-41-0x0000026B66700000-0x0000026B66970000-memory.dmp

        Filesize

        2.4MB

      • memory/3868-44-0x0000026B66970000-0x0000026B66980000-memory.dmp

        Filesize

        64KB

      • memory/3868-43-0x0000026B66A20000-0x0000026B66A30000-memory.dmp

        Filesize

        64KB

      • memory/3868-42-0x0000026B66A10000-0x0000026B66A20000-memory.dmp

        Filesize

        64KB

      • memory/3868-50-0x0000026B66A30000-0x0000026B66A40000-memory.dmp

        Filesize

        64KB

      • memory/3868-55-0x0000026B669B0000-0x0000026B669C0000-memory.dmp

        Filesize

        64KB

      • memory/3868-58-0x0000026B669C0000-0x0000026B669D0000-memory.dmp

        Filesize

        64KB

      • memory/3868-57-0x0000026B66A70000-0x0000026B66A80000-memory.dmp

        Filesize

        64KB

      • memory/3868-65-0x0000026B66A90000-0x0000026B66AA0000-memory.dmp

        Filesize

        64KB

      • memory/3868-64-0x0000026B669E0000-0x0000026B669F0000-memory.dmp

        Filesize

        64KB

      • memory/3868-63-0x0000026B66A80000-0x0000026B66A90000-memory.dmp

        Filesize

        64KB

      • memory/3868-60-0x0000026B669D0000-0x0000026B669E0000-memory.dmp

        Filesize

        64KB

      • memory/3868-56-0x0000026B66A60000-0x0000026B66A70000-memory.dmp

        Filesize

        64KB

      • memory/3868-53-0x0000026B66990000-0x0000026B669A0000-memory.dmp

        Filesize

        64KB

      • memory/3868-52-0x0000026B66A50000-0x0000026B66A60000-memory.dmp

        Filesize

        64KB

      • memory/3868-51-0x0000026B66A40000-0x0000026B66A50000-memory.dmp

        Filesize

        64KB

      • memory/3868-49-0x0000026B669A0000-0x0000026B669B0000-memory.dmp

        Filesize

        64KB

      • memory/3868-48-0x0000026B66980000-0x0000026B66990000-memory.dmp

        Filesize

        64KB

      • memory/3868-70-0x0000026B66AA0000-0x0000026B66AB0000-memory.dmp

        Filesize

        64KB

      • memory/3868-69-0x0000026B666E0000-0x0000026B666E1000-memory.dmp

        Filesize

        4KB

      • memory/3868-68-0x0000026B669F0000-0x0000026B66A00000-memory.dmp

        Filesize

        64KB

      • memory/3868-71-0x0000026B666E0000-0x0000026B666E1000-memory.dmp

        Filesize

        4KB

      • memory/3868-74-0x0000026B66AB0000-0x0000026B66AC0000-memory.dmp

        Filesize

        64KB

      • memory/3868-73-0x0000026B66A00000-0x0000026B66A10000-memory.dmp

        Filesize

        64KB

      • memory/3868-79-0x0000026B66AC0000-0x0000026B66AD0000-memory.dmp

        Filesize

        64KB

      • memory/3868-78-0x0000026B66A20000-0x0000026B66A30000-memory.dmp

        Filesize

        64KB

      • memory/3868-85-0x0000026B66AD0000-0x0000026B66AE0000-memory.dmp

        Filesize

        64KB

      • memory/3868-84-0x0000026B66A50000-0x0000026B66A60000-memory.dmp

        Filesize

        64KB

      • memory/3868-83-0x0000026B66A40000-0x0000026B66A50000-memory.dmp

        Filesize

        64KB

      • memory/3868-82-0x0000026B66A30000-0x0000026B66A40000-memory.dmp

        Filesize

        64KB

      • memory/3868-77-0x0000026B66A10000-0x0000026B66A20000-memory.dmp

        Filesize

        64KB

      • memory/3868-86-0x0000026B66AE0000-0x0000026B66AF0000-memory.dmp

        Filesize

        64KB

      • memory/3868-95-0x0000026B66B10000-0x0000026B66B20000-memory.dmp

        Filesize

        64KB

      • memory/3868-94-0x0000026B66A80000-0x0000026B66A90000-memory.dmp

        Filesize

        64KB

      • memory/3868-93-0x0000026B66B00000-0x0000026B66B10000-memory.dmp

        Filesize

        64KB

      • memory/3868-92-0x0000026B66AF0000-0x0000026B66B00000-memory.dmp

        Filesize

        64KB

      • memory/3868-91-0x0000026B66A70000-0x0000026B66A80000-memory.dmp

        Filesize

        64KB

      • memory/3868-90-0x0000026B66A60000-0x0000026B66A70000-memory.dmp

        Filesize

        64KB

      • memory/3868-101-0x0000026B66B20000-0x0000026B66B30000-memory.dmp

        Filesize

        64KB

      • memory/3868-102-0x0000026B666E0000-0x0000026B666E1000-memory.dmp

        Filesize

        4KB

      • memory/3868-24-0x0000026B669C0000-0x0000026B669D0000-memory.dmp

        Filesize

        64KB

      • memory/3868-111-0x0000026B66AB0000-0x0000026B66AC0000-memory.dmp

        Filesize

        64KB

      • memory/3868-108-0x0000026B66B40000-0x0000026B66B50000-memory.dmp

        Filesize

        64KB

      • memory/3868-107-0x0000026B66AA0000-0x0000026B66AB0000-memory.dmp

        Filesize

        64KB

      • memory/3868-109-0x0000026B666E0000-0x0000026B666E1000-memory.dmp

        Filesize

        4KB

      • memory/3868-112-0x0000026B66B50000-0x0000026B66B60000-memory.dmp

        Filesize

        64KB

      • memory/3868-105-0x0000026B66B30000-0x0000026B66B40000-memory.dmp

        Filesize

        64KB

      • memory/3868-26-0x0000026B669D0000-0x0000026B669E0000-memory.dmp

        Filesize

        64KB

      • memory/3868-173-0x0000026B669A0000-0x0000026B669B0000-memory.dmp

        Filesize

        64KB

      • memory/3868-117-0x0000026B666E0000-0x0000026B666E1000-memory.dmp

        Filesize

        4KB

      • memory/3868-119-0x0000026B66B70000-0x0000026B66B80000-memory.dmp

        Filesize

        64KB

      • memory/3868-121-0x0000026B66AD0000-0x0000026B66AE0000-memory.dmp

        Filesize

        64KB

      • memory/3868-122-0x0000026B66B80000-0x0000026B66B90000-memory.dmp

        Filesize

        64KB

      • memory/3868-124-0x0000026B66AE0000-0x0000026B66AF0000-memory.dmp

        Filesize

        64KB

      • memory/3868-125-0x0000026B66AF0000-0x0000026B66B00000-memory.dmp

        Filesize

        64KB

      • memory/3868-126-0x0000026B66B90000-0x0000026B66BA0000-memory.dmp

        Filesize

        64KB

      • memory/3868-129-0x0000026B666E0000-0x0000026B666E1000-memory.dmp

        Filesize

        4KB

      • memory/3868-132-0x0000026B66B00000-0x0000026B66B10000-memory.dmp

        Filesize

        64KB

      • memory/3868-134-0x0000026B666E0000-0x0000026B666E1000-memory.dmp

        Filesize

        4KB

      • memory/3868-135-0x0000026B66B10000-0x0000026B66B20000-memory.dmp

        Filesize

        64KB

      • memory/3868-136-0x0000026B66BA0000-0x0000026B66BB0000-memory.dmp

        Filesize

        64KB

      • memory/3868-138-0x0000026B66B20000-0x0000026B66B30000-memory.dmp

        Filesize

        64KB

      • memory/3868-139-0x0000026B66BB0000-0x0000026B66BC0000-memory.dmp

        Filesize

        64KB

      • memory/3868-141-0x0000026B66B30000-0x0000026B66B40000-memory.dmp

        Filesize

        64KB

      • memory/3868-144-0x0000026B66B40000-0x0000026B66B50000-memory.dmp

        Filesize

        64KB

      • memory/3868-145-0x0000026B66B50000-0x0000026B66B60000-memory.dmp

        Filesize

        64KB

      • memory/3868-149-0x0000026B66B60000-0x0000026B66B70000-memory.dmp

        Filesize

        64KB

      • memory/3868-150-0x0000026B66B70000-0x0000026B66B80000-memory.dmp

        Filesize

        64KB

      • memory/3868-151-0x0000026B66B80000-0x0000026B66B90000-memory.dmp

        Filesize

        64KB

      • memory/3868-152-0x0000026B66B90000-0x0000026B66BA0000-memory.dmp

        Filesize

        64KB

      • memory/3868-154-0x0000026B66BA0000-0x0000026B66BB0000-memory.dmp

        Filesize

        64KB

      • memory/3868-155-0x0000026B66BC0000-0x0000026B66BD0000-memory.dmp

        Filesize

        64KB

      • memory/3868-160-0x0000026B66BB0000-0x0000026B66BC0000-memory.dmp

        Filesize

        64KB

      • memory/3868-167-0x0000026B666E0000-0x0000026B666E1000-memory.dmp

        Filesize

        4KB

      • memory/3868-186-0x0000026B66A90000-0x0000026B66AA0000-memory.dmp

        Filesize

        64KB

      • memory/3868-185-0x0000026B66A70000-0x0000026B66A80000-memory.dmp

        Filesize

        64KB

      • memory/3868-184-0x0000026B66A60000-0x0000026B66A70000-memory.dmp

        Filesize

        64KB

      • memory/3868-183-0x0000026B66A50000-0x0000026B66A60000-memory.dmp

        Filesize

        64KB

      • memory/3868-182-0x0000026B66A40000-0x0000026B66A50000-memory.dmp

        Filesize

        64KB

      • memory/3868-181-0x0000026B66A30000-0x0000026B66A40000-memory.dmp

        Filesize

        64KB

      • memory/3868-180-0x0000026B66A20000-0x0000026B66A30000-memory.dmp

        Filesize

        64KB

      • memory/3868-179-0x0000026B66A10000-0x0000026B66A20000-memory.dmp

        Filesize

        64KB

      • memory/3868-178-0x0000026B66A00000-0x0000026B66A10000-memory.dmp

        Filesize

        64KB

      • memory/3868-177-0x0000026B669F0000-0x0000026B66A00000-memory.dmp

        Filesize

        64KB

      • memory/3868-176-0x0000026B669E0000-0x0000026B669F0000-memory.dmp

        Filesize

        64KB

      • memory/3868-175-0x0000026B669D0000-0x0000026B669E0000-memory.dmp

        Filesize

        64KB

      • memory/3868-174-0x0000026B669C0000-0x0000026B669D0000-memory.dmp

        Filesize

        64KB

      • memory/3868-115-0x0000026B66B60000-0x0000026B66B70000-memory.dmp

        Filesize

        64KB

      • memory/3868-19-0x0000026B66990000-0x0000026B669A0000-memory.dmp

        Filesize

        64KB

      • memory/3868-22-0x0000026B669A0000-0x0000026B669B0000-memory.dmp

        Filesize

        64KB

      • memory/3868-23-0x0000026B669B0000-0x0000026B669C0000-memory.dmp

        Filesize

        64KB

      • memory/3868-16-0x0000026B66980000-0x0000026B66990000-memory.dmp

        Filesize

        64KB

      • memory/3868-14-0x0000026B66970000-0x0000026B66980000-memory.dmp

        Filesize

        64KB

      • memory/3868-114-0x0000026B66AC0000-0x0000026B66AD0000-memory.dmp

        Filesize

        64KB

      • memory/3868-172-0x0000026B669B0000-0x0000026B669C0000-memory.dmp

        Filesize

        64KB

      • memory/3868-171-0x0000026B66990000-0x0000026B669A0000-memory.dmp

        Filesize

        64KB

      • memory/3868-170-0x0000026B66980000-0x0000026B66990000-memory.dmp

        Filesize

        64KB

      • memory/3868-169-0x0000026B66970000-0x0000026B66980000-memory.dmp

        Filesize

        64KB

      • memory/3868-168-0x0000026B66700000-0x0000026B66970000-memory.dmp

        Filesize

        2.4MB