Analysis

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

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-05-2024 09:14

General

  • Target

    5c65955da2b6e996c378858d6a886bad85e969fd42509053794cb8ad64630894.js

  • Size

    348KB

  • MD5

    4bb46f4ad4dc8cfe2ef9476639538c9f

  • SHA1

    405e782ca65b2c85d3010ffbd44cbd394e8076e1

  • SHA256

    5c65955da2b6e996c378858d6a886bad85e969fd42509053794cb8ad64630894

  • SHA512

    be0cd76dcaa26f00b4d6b61f855e69513fd341b234b465f2394a471b7a6753bd416b620b6d2795b319f591c2497c8c0374a34913672bcd8a5eb8faee06e57af5

  • SSDEEP

    6144:FCrNm0YvnZIOE/gpukpiVogDsEOuJTKrk4qtiHPmKTvlCGiJTBj8rjFpnKqgWiQZ:gRmRvnZLxpcFT0qSTej8hNkJwnLXNT

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 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.

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

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

  • 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 28 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\5c65955da2b6e996c378858d6a886bad85e969fd42509053794cb8ad64630894.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3648
    • 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\gkctrnd.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1192
      • C:\Windows\system32\icacls.exe
        C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
        3⤵
        • Modifies file permissions
        PID:1164
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\gkctrnd.txt"
        3⤵
        • Drops startup file
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1684
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\gkctrnd.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2516
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\gkctrnd.txt"
            5⤵
            • Creates scheduled task(s)
            PID:4664
        • 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\gkctrnd.txt"
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1864
          • 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:3724
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4264
          • 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:5104
            • 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:820
          • 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:2300
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:1360
            • 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:2472
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                6⤵
                  PID:852

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        87dedfe5df3f5ee2ccc049d1a9c165d1

        SHA1

        62e938880a293a8c4bdec548e3570643c10549ff

        SHA256

        a2dad50d203639848d42adade7db0db5df52da9a597658718317d8d4c6bc12a3

        SHA512

        5f09e71ed400476a12bbe5798852ae79ce52cf9ace49bc8f42395ebf25e99b079739472d27a071b68452c8c58262516f2c267e1e8d5169010e41b63a47cbb4f7

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

        Filesize

        46B

        MD5

        253ed6958d6207f15db219912663dc34

        SHA1

        d009a9ec84f5f4ff4cfdcfbc742f9a1f923199b7

        SHA256

        f6aea8ca34153f6e0754ea5ae9c14430075d4f479b61a8635ed9c21af3c84613

        SHA512

        e35725bb0214f4435008afabe32e942e0df42d9f3834f1744df146b4e284441bfa17e66cb19c04fcbfd620a9c3267dbd89d0002e099386c0e43adccd9de003f9

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna6511507138030014452.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3558294865-3673844354-2255444939-1000\83aa4cc77f591dfc2374580bbd95f6ba_39fbc0df-d496-4ae0-b1d7-bde60e245d90

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

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

        Filesize

        164KB

        MD5

        7ea89d19a8441cc58b7255dc9fb205fa

        SHA1

        2ae19607a8231bffd72353766f4017eb5492f3e8

        SHA256

        486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705

        SHA512

        0a76f52939c305b2756fa486222210a4a8c40deff0fc753d11da899baaa84da2fed37ddbd333c6b1dc91ea07a2a1bffcaeb4db08dcbb3db97c925254e6bcbaf4

      • 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/1192-106-0x000001192B8C0000-0x000001192B8C1000-memory.dmp

        Filesize

        4KB

      • memory/1192-157-0x000001192D3B0000-0x000001192D3C0000-memory.dmp

        Filesize

        64KB

      • memory/1192-26-0x000001192D3E0000-0x000001192D3F0000-memory.dmp

        Filesize

        64KB

      • memory/1192-112-0x000001192D580000-0x000001192D590000-memory.dmp

        Filesize

        64KB

      • memory/1192-22-0x000001192D3C0000-0x000001192D3D0000-memory.dmp

        Filesize

        64KB

      • memory/1192-31-0x000001192D410000-0x000001192D420000-memory.dmp

        Filesize

        64KB

      • memory/1192-30-0x000001192D400000-0x000001192D410000-memory.dmp

        Filesize

        64KB

      • memory/1192-33-0x000001192D420000-0x000001192D430000-memory.dmp

        Filesize

        64KB

      • memory/1192-34-0x000001192B8C0000-0x000001192B8C1000-memory.dmp

        Filesize

        4KB

      • memory/1192-45-0x000001192D120000-0x000001192D390000-memory.dmp

        Filesize

        2.4MB

      • memory/1192-46-0x000001192D440000-0x000001192D450000-memory.dmp

        Filesize

        64KB

      • memory/1192-43-0x000001192D450000-0x000001192D460000-memory.dmp

        Filesize

        64KB

      • memory/1192-42-0x000001192D430000-0x000001192D440000-memory.dmp

        Filesize

        64KB

      • memory/1192-48-0x000001192D460000-0x000001192D470000-memory.dmp

        Filesize

        64KB

      • memory/1192-47-0x000001192D390000-0x000001192D3A0000-memory.dmp

        Filesize

        64KB

      • memory/1192-52-0x000001192D470000-0x000001192D480000-memory.dmp

        Filesize

        64KB

      • memory/1192-51-0x000001192D3A0000-0x000001192D3B0000-memory.dmp

        Filesize

        64KB

      • memory/1192-56-0x000001192D490000-0x000001192D4A0000-memory.dmp

        Filesize

        64KB

      • memory/1192-55-0x000001192D480000-0x000001192D490000-memory.dmp

        Filesize

        64KB

      • memory/1192-54-0x000001192D3B0000-0x000001192D3C0000-memory.dmp

        Filesize

        64KB

      • memory/1192-60-0x000001192D4A0000-0x000001192D4B0000-memory.dmp

        Filesize

        64KB

      • memory/1192-59-0x000001192D3D0000-0x000001192D3E0000-memory.dmp

        Filesize

        64KB

      • memory/1192-58-0x000001192D3C0000-0x000001192D3D0000-memory.dmp

        Filesize

        64KB

      • memory/1192-65-0x000001192D4B0000-0x000001192D4C0000-memory.dmp

        Filesize

        64KB

      • memory/1192-64-0x000001192D3E0000-0x000001192D3F0000-memory.dmp

        Filesize

        64KB

      • memory/1192-66-0x000001192B8C0000-0x000001192B8C1000-memory.dmp

        Filesize

        4KB

      • memory/1192-68-0x000001192B8C0000-0x000001192B8C1000-memory.dmp

        Filesize

        4KB

      • memory/1192-70-0x000001192D4C0000-0x000001192D4D0000-memory.dmp

        Filesize

        64KB

      • memory/1192-69-0x000001192D3F0000-0x000001192D400000-memory.dmp

        Filesize

        64KB

      • memory/1192-74-0x000001192D400000-0x000001192D410000-memory.dmp

        Filesize

        64KB

      • memory/1192-76-0x000001192D4D0000-0x000001192D4E0000-memory.dmp

        Filesize

        64KB

      • memory/1192-75-0x000001192D410000-0x000001192D420000-memory.dmp

        Filesize

        64KB

      • memory/1192-78-0x000001192D420000-0x000001192D430000-memory.dmp

        Filesize

        64KB

      • memory/1192-81-0x000001192D4F0000-0x000001192D500000-memory.dmp

        Filesize

        64KB

      • memory/1192-80-0x000001192D4E0000-0x000001192D4F0000-memory.dmp

        Filesize

        64KB

      • memory/1192-79-0x000001192D430000-0x000001192D440000-memory.dmp

        Filesize

        64KB

      • memory/1192-85-0x000001192D500000-0x000001192D510000-memory.dmp

        Filesize

        64KB

      • memory/1192-84-0x000001192D450000-0x000001192D460000-memory.dmp

        Filesize

        64KB

      • memory/1192-86-0x000001192D440000-0x000001192D450000-memory.dmp

        Filesize

        64KB

      • memory/1192-87-0x000001192D510000-0x000001192D520000-memory.dmp

        Filesize

        64KB

      • memory/1192-91-0x000001192D520000-0x000001192D530000-memory.dmp

        Filesize

        64KB

      • memory/1192-97-0x000001192D550000-0x000001192D560000-memory.dmp

        Filesize

        64KB

      • memory/1192-96-0x000001192D540000-0x000001192D550000-memory.dmp

        Filesize

        64KB

      • memory/1192-95-0x000001192D530000-0x000001192D540000-memory.dmp

        Filesize

        64KB

      • memory/1192-94-0x000001192D470000-0x000001192D480000-memory.dmp

        Filesize

        64KB

      • memory/1192-90-0x000001192D460000-0x000001192D470000-memory.dmp

        Filesize

        64KB

      • memory/1192-105-0x000001192D560000-0x000001192D570000-memory.dmp

        Filesize

        64KB

      • memory/1192-104-0x000001192D490000-0x000001192D4A0000-memory.dmp

        Filesize

        64KB

      • memory/1192-103-0x000001192D480000-0x000001192D490000-memory.dmp

        Filesize

        64KB

      • memory/1192-19-0x000001192D3B0000-0x000001192D3C0000-memory.dmp

        Filesize

        64KB

      • memory/1192-109-0x000001192D570000-0x000001192D580000-memory.dmp

        Filesize

        64KB

      • memory/1192-108-0x000001192D4A0000-0x000001192D4B0000-memory.dmp

        Filesize

        64KB

      • memory/1192-27-0x000001192D3F0000-0x000001192D400000-memory.dmp

        Filesize

        64KB

      • memory/1192-23-0x000001192D3D0000-0x000001192D3E0000-memory.dmp

        Filesize

        64KB

      • memory/1192-168-0x000001192D460000-0x000001192D470000-memory.dmp

        Filesize

        64KB

      • memory/1192-114-0x000001192D4C0000-0x000001192D4D0000-memory.dmp

        Filesize

        64KB

      • memory/1192-118-0x000001192D4D0000-0x000001192D4E0000-memory.dmp

        Filesize

        64KB

      • memory/1192-119-0x000001192D5A0000-0x000001192D5B0000-memory.dmp

        Filesize

        64KB

      • memory/1192-121-0x000001192D4E0000-0x000001192D4F0000-memory.dmp

        Filesize

        64KB

      • memory/1192-123-0x000001192D5B0000-0x000001192D5C0000-memory.dmp

        Filesize

        64KB

      • memory/1192-122-0x000001192D4F0000-0x000001192D500000-memory.dmp

        Filesize

        64KB

      • memory/1192-125-0x000001192D500000-0x000001192D510000-memory.dmp

        Filesize

        64KB

      • memory/1192-126-0x000001192D5C0000-0x000001192D5D0000-memory.dmp

        Filesize

        64KB

      • memory/1192-127-0x000001192B8C0000-0x000001192B8C1000-memory.dmp

        Filesize

        4KB

      • memory/1192-128-0x000001192B8C0000-0x000001192B8C1000-memory.dmp

        Filesize

        4KB

      • memory/1192-133-0x000001192D510000-0x000001192D520000-memory.dmp

        Filesize

        64KB

      • memory/1192-134-0x000001192D5D0000-0x000001192D5E0000-memory.dmp

        Filesize

        64KB

      • memory/1192-136-0x000001192D520000-0x000001192D530000-memory.dmp

        Filesize

        64KB

      • memory/1192-137-0x000001192D5E0000-0x000001192D5F0000-memory.dmp

        Filesize

        64KB

      • memory/1192-143-0x000001192D530000-0x000001192D540000-memory.dmp

        Filesize

        64KB

      • memory/1192-146-0x000001192D5F0000-0x000001192D600000-memory.dmp

        Filesize

        64KB

      • memory/1192-145-0x000001192D550000-0x000001192D560000-memory.dmp

        Filesize

        64KB

      • memory/1192-144-0x000001192D540000-0x000001192D550000-memory.dmp

        Filesize

        64KB

      • memory/1192-149-0x000001192B8C0000-0x000001192B8C1000-memory.dmp

        Filesize

        4KB

      • memory/1192-151-0x000001192D560000-0x000001192D570000-memory.dmp

        Filesize

        64KB

      • memory/1192-153-0x000001192B8C0000-0x000001192B8C1000-memory.dmp

        Filesize

        4KB

      • memory/1192-165-0x000001192D440000-0x000001192D450000-memory.dmp

        Filesize

        64KB

      • memory/1192-179-0x000001192D5A0000-0x000001192D5B0000-memory.dmp

        Filesize

        64KB

      • memory/1192-178-0x000001192D590000-0x000001192D5A0000-memory.dmp

        Filesize

        64KB

      • memory/1192-177-0x000001192D580000-0x000001192D590000-memory.dmp

        Filesize

        64KB

      • memory/1192-176-0x000001192D570000-0x000001192D580000-memory.dmp

        Filesize

        64KB

      • memory/1192-174-0x000001192D520000-0x000001192D530000-memory.dmp

        Filesize

        64KB

      • memory/1192-173-0x000001192D4D0000-0x000001192D4E0000-memory.dmp

        Filesize

        64KB

      • memory/1192-172-0x000001192D4A0000-0x000001192D4B0000-memory.dmp

        Filesize

        64KB

      • memory/1192-171-0x000001192D490000-0x000001192D4A0000-memory.dmp

        Filesize

        64KB

      • memory/1192-170-0x000001192D480000-0x000001192D490000-memory.dmp

        Filesize

        64KB

      • memory/1192-169-0x000001192D470000-0x000001192D480000-memory.dmp

        Filesize

        64KB

      • memory/1192-116-0x000001192D590000-0x000001192D5A0000-memory.dmp

        Filesize

        64KB

      • memory/1192-167-0x000001192D430000-0x000001192D440000-memory.dmp

        Filesize

        64KB

      • memory/1192-166-0x000001192D450000-0x000001192D460000-memory.dmp

        Filesize

        64KB

      • memory/1192-164-0x000001192D420000-0x000001192D430000-memory.dmp

        Filesize

        64KB

      • memory/1192-163-0x000001192D410000-0x000001192D420000-memory.dmp

        Filesize

        64KB

      • memory/1192-162-0x000001192D400000-0x000001192D410000-memory.dmp

        Filesize

        64KB

      • memory/1192-161-0x000001192D3F0000-0x000001192D400000-memory.dmp

        Filesize

        64KB

      • memory/1192-160-0x000001192D3E0000-0x000001192D3F0000-memory.dmp

        Filesize

        64KB

      • memory/1192-159-0x000001192D3D0000-0x000001192D3E0000-memory.dmp

        Filesize

        64KB

      • memory/1192-158-0x000001192D3C0000-0x000001192D3D0000-memory.dmp

        Filesize

        64KB

      • memory/1192-111-0x000001192D4B0000-0x000001192D4C0000-memory.dmp

        Filesize

        64KB

      • memory/1192-156-0x000001192D3A0000-0x000001192D3B0000-memory.dmp

        Filesize

        64KB

      • memory/1192-155-0x000001192D390000-0x000001192D3A0000-memory.dmp

        Filesize

        64KB

      • memory/1192-154-0x000001192D120000-0x000001192D390000-memory.dmp

        Filesize

        2.4MB

      • memory/1192-4-0x000001192D120000-0x000001192D390000-memory.dmp

        Filesize

        2.4MB

      • memory/1192-18-0x000001192D3A0000-0x000001192D3B0000-memory.dmp

        Filesize

        64KB

      • memory/1192-15-0x000001192D390000-0x000001192D3A0000-memory.dmp

        Filesize

        64KB

      • memory/1684-216-0x000001F6288A0000-0x000001F6288A1000-memory.dmp

        Filesize

        4KB

      • memory/1864-249-0x000002111F830000-0x000002111F831000-memory.dmp

        Filesize

        4KB

      • memory/1864-258-0x000002111F830000-0x000002111F831000-memory.dmp

        Filesize

        4KB