Analysis

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

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 01:44

General

  • Target
    b5fab9889d333c721fed265c13879f11315afe346d13356d4d1d61d16cc2b9d7.js
  • Size 455KB
  • Sample241005-b588jaybmn
  • SHA256 b5fab9889d333c721fed265c13879f11315afe346d13356d4d1d61d16cc2b9d7
  • MD5 SHA1 SHA512 SSDEEP

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
  • 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\b5fab9889d333c721fed265c13879f11315afe346d13356d4d1d61d16cc2b9d7.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3392
    • 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\qiuvmadc.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      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\qiuvmadc.txt"
        3⤵
        • Drops startup file
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2616
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\qiuvmadc.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:844
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\qiuvmadc.txt"
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:704
        • 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\qiuvmadc.txt"
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:3940
          • 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:3612
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2952
          • 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:2016
            • 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:1884
          • 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:4352
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:3492
            • 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:1100
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                6⤵
                  PID:1960

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            jna3835355158186161106.dll

            • Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna3835355158186161106.dll
            • Size 241KB
            • SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
            • MD5 SHA1 SHA512 SSDEEP

            83aa4cc77f591dfc2374580bbd95f6ba_03d68389-5a68-4d9e-92ac-47b927e624dd

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-945322488-2060912225-3527527000-1000\83aa4cc77f591dfc2374580bbd95f6ba_03d68389-5a68-4d9e-92ac-47b927e624dd
            • Size 45B
            • SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
            • MD5 SHA1 SHA512

            qiuvmadc.txt

            • Path C:\Users\Admin\AppData\Roaming\qiuvmadc.txt
            • Size 209KB
            • SHA256 1d1640fd890d14e7a04a5561136c3d1b4bd35f4de5de923b9af5f1d5a197fbc8
            • MD5 SHA1 SHA512 SSDEEP

            jna-5.5.0.jar

            • Path C:\Users\Admin\lib\jna-5.5.0.jar
            • Size 1.4MB
            • SHA256 b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
            • MD5 SHA1 SHA512 SSDEEP

            jna-platform-5.5.0.jar

            • Path C:\Users\Admin\lib\jna-platform-5.5.0.jar
            • Size 2.6MB
            • SHA256 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
            • MD5 SHA1 SHA512 SSDEEP

            sqlite-jdbc-3.14.2.1.jar

            • Path C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
            • Size 4.1MB
            • SHA256 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
            • MD5 SHA1 SHA512 SSDEEP

            system-hook-3.5.jar

            • Path C:\Users\Admin\lib\system-hook-3.5.jar
            • Size 772KB
            • SHA256 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
            • MD5 SHA1 SHA512 SSDEEP

            memory/2612-109-0x00000243EA350000-0x00000243EA360000-memory.dmp

            memory/2612-64-0x00000243EA320000-0x00000243EA330000-memory.dmp

            memory/2612-20-0x00000243EA240000-0x00000243EA250000-memory.dmp

            memory/2612-22-0x00000243EA250000-0x00000243EA260000-memory.dmp

            memory/2612-24-0x00000243EA260000-0x00000243EA270000-memory.dmp

            memory/2612-27-0x00000243EA270000-0x00000243EA280000-memory.dmp

            memory/2612-28-0x00000243EA280000-0x00000243EA290000-memory.dmp

            memory/2612-34-0x00000243EA290000-0x00000243EA2A0000-memory.dmp

            memory/2612-37-0x00000243E9FA0000-0x00000243EA210000-memory.dmp

            memory/2612-40-0x00000243EA210000-0x00000243EA220000-memory.dmp

            memory/2612-41-0x00000243E8780000-0x00000243E8781000-memory.dmp

            memory/2612-39-0x00000243EA2B0000-0x00000243EA2C0000-memory.dmp

            memory/2612-38-0x00000243EA2A0000-0x00000243EA2B0000-memory.dmp

            memory/2612-44-0x00000243EA2C0000-0x00000243EA2D0000-memory.dmp

            memory/2612-43-0x00000243EA220000-0x00000243EA230000-memory.dmp

            memory/2612-47-0x00000243EA2D0000-0x00000243EA2E0000-memory.dmp

            memory/2612-46-0x00000243EA230000-0x00000243EA240000-memory.dmp

            memory/2612-50-0x00000243EA2E0000-0x00000243EA2F0000-memory.dmp

            memory/2612-49-0x00000243EA240000-0x00000243EA250000-memory.dmp

            memory/2612-53-0x00000243EA2F0000-0x00000243EA300000-memory.dmp

            memory/2612-52-0x00000243EA250000-0x00000243EA260000-memory.dmp

            memory/2612-56-0x00000243EA300000-0x00000243EA310000-memory.dmp

            memory/2612-55-0x00000243EA260000-0x00000243EA270000-memory.dmp

            memory/2612-59-0x00000243EA310000-0x00000243EA320000-memory.dmp

            memory/2612-58-0x00000243EA270000-0x00000243EA280000-memory.dmp

            memory/2612-113-0x00000243EA3E0000-0x00000243EA3F0000-memory.dmp

            memory/2612-63-0x00000243EA280000-0x00000243EA290000-memory.dmp

            memory/2612-65-0x00000243E8780000-0x00000243E8781000-memory.dmp

            memory/2612-66-0x00000243EA290000-0x00000243EA2A0000-memory.dmp

            memory/2612-69-0x00000243EA330000-0x00000243EA340000-memory.dmp

            memory/2612-68-0x00000243EA2A0000-0x00000243EA2B0000-memory.dmp

            memory/2612-75-0x00000243EA340000-0x00000243EA350000-memory.dmp

            memory/2612-74-0x00000243EA2B0000-0x00000243EA2C0000-memory.dmp

            memory/2612-79-0x00000243EA350000-0x00000243EA360000-memory.dmp

            memory/2612-78-0x00000243EA2C0000-0x00000243EA2D0000-memory.dmp

            memory/2612-81-0x00000243EA360000-0x00000243EA370000-memory.dmp

            memory/2612-80-0x00000243EA2D0000-0x00000243EA2E0000-memory.dmp

            memory/2612-86-0x00000243EA2F0000-0x00000243EA300000-memory.dmp

            memory/2612-87-0x00000243EA380000-0x00000243EA390000-memory.dmp

            memory/2612-85-0x00000243EA370000-0x00000243EA380000-memory.dmp

            memory/2612-84-0x00000243EA2E0000-0x00000243EA2F0000-memory.dmp

            memory/2612-91-0x00000243EA390000-0x00000243EA3A0000-memory.dmp

            memory/2612-90-0x00000243EA300000-0x00000243EA310000-memory.dmp

            memory/2612-94-0x00000243EA3A0000-0x00000243EA3B0000-memory.dmp

            memory/2612-93-0x00000243EA310000-0x00000243EA320000-memory.dmp

            memory/2612-95-0x00000243E8780000-0x00000243E8781000-memory.dmp

            memory/2612-98-0x00000243EA3B0000-0x00000243EA3C0000-memory.dmp

            memory/2612-97-0x00000243EA320000-0x00000243EA330000-memory.dmp

            memory/2612-112-0x00000243EA360000-0x00000243EA370000-memory.dmp

            memory/2612-105-0x00000243EA330000-0x00000243EA340000-memory.dmp

            memory/2612-106-0x00000243E8780000-0x00000243E8781000-memory.dmp

            memory/2612-107-0x00000243EA340000-0x00000243EA350000-memory.dmp

            memory/2612-16-0x00000243EA220000-0x00000243EA230000-memory.dmp

            memory/2612-110-0x00000243EA3D0000-0x00000243EA3E0000-memory.dmp

            memory/2612-100-0x00000243EA3C0000-0x00000243EA3D0000-memory.dmp

            memory/2612-18-0x00000243EA230000-0x00000243EA240000-memory.dmp

            memory/2612-115-0x00000243E8780000-0x00000243E8781000-memory.dmp

            memory/2612-116-0x00000243EA370000-0x00000243EA380000-memory.dmp

            memory/2612-117-0x00000243E8780000-0x00000243E8781000-memory.dmp

            memory/2612-120-0x00000243EA3F0000-0x00000243EA400000-memory.dmp

            memory/2612-119-0x00000243EA380000-0x00000243EA390000-memory.dmp

            memory/2612-122-0x00000243E8780000-0x00000243E8781000-memory.dmp

            memory/2612-125-0x00000243EA400000-0x00000243EA410000-memory.dmp

            memory/2612-124-0x00000243EA390000-0x00000243EA3A0000-memory.dmp

            memory/2612-127-0x00000243EA3A0000-0x00000243EA3B0000-memory.dmp

            memory/2612-128-0x00000243EA410000-0x00000243EA420000-memory.dmp

            memory/2612-130-0x00000243EA3B0000-0x00000243EA3C0000-memory.dmp

            memory/2612-131-0x00000243EA420000-0x00000243EA430000-memory.dmp

            memory/2612-132-0x00000243E8780000-0x00000243E8781000-memory.dmp

            memory/2612-135-0x00000243EA3C0000-0x00000243EA3D0000-memory.dmp

            memory/2612-137-0x00000243EA3D0000-0x00000243EA3E0000-memory.dmp

            memory/2612-138-0x00000243EA3E0000-0x00000243EA3F0000-memory.dmp

            memory/2612-140-0x00000243EA3F0000-0x00000243EA400000-memory.dmp

            memory/2612-141-0x00000243EA400000-0x00000243EA410000-memory.dmp

            memory/2612-142-0x00000243EA410000-0x00000243EA420000-memory.dmp

            memory/2612-143-0x00000243EA420000-0x00000243EA430000-memory.dmp

            memory/2612-151-0x00000243E8780000-0x00000243E8781000-memory.dmp

            memory/2612-153-0x00000243E8780000-0x00000243E8781000-memory.dmp

            memory/2612-154-0x00000243EA430000-0x00000243EA440000-memory.dmp

            memory/2612-159-0x00000243E8780000-0x00000243E8781000-memory.dmp

            memory/2612-160-0x00000243EA440000-0x00000243EA450000-memory.dmp

            memory/2612-161-0x00000243E8780000-0x00000243E8781000-memory.dmp

            memory/2612-163-0x00000243EA450000-0x00000243EA460000-memory.dmp

            memory/2612-171-0x00000243EA430000-0x00000243EA440000-memory.dmp

            memory/2612-181-0x00000243EA440000-0x00000243EA450000-memory.dmp

            memory/2612-182-0x00000243EA450000-0x00000243EA460000-memory.dmp

            memory/2612-183-0x00000243EA460000-0x00000243EA470000-memory.dmp

            memory/2612-188-0x00000243E8780000-0x00000243E8781000-memory.dmp

            memory/2612-192-0x00000243EA220000-0x00000243EA230000-memory.dmp

            memory/2612-191-0x00000243EA210000-0x00000243EA220000-memory.dmp

            memory/2612-194-0x00000243EA240000-0x00000243EA250000-memory.dmp

            memory/2612-200-0x00000243EA2A0000-0x00000243EA2B0000-memory.dmp

            memory/2612-208-0x00000243EA320000-0x00000243EA330000-memory.dmp

            memory/2612-207-0x00000243EA310000-0x00000243EA320000-memory.dmp

            memory/2612-206-0x00000243EA300000-0x00000243EA310000-memory.dmp

            memory/2612-205-0x00000243EA2F0000-0x00000243EA300000-memory.dmp

            memory/2612-204-0x00000243EA2E0000-0x00000243EA2F0000-memory.dmp

            memory/2612-203-0x00000243EA2D0000-0x00000243EA2E0000-memory.dmp

            memory/2612-202-0x00000243EA2C0000-0x00000243EA2D0000-memory.dmp

            memory/2612-201-0x00000243E9FA0000-0x00000243EA210000-memory.dmp

            memory/2612-199-0x00000243EA290000-0x00000243EA2A0000-memory.dmp

            memory/2612-198-0x00000243EA280000-0x00000243EA290000-memory.dmp

            memory/2612-197-0x00000243EA270000-0x00000243EA280000-memory.dmp

            memory/2612-196-0x00000243EA260000-0x00000243EA270000-memory.dmp

            memory/2612-195-0x00000243EA250000-0x00000243EA260000-memory.dmp

            memory/2612-193-0x00000243EA230000-0x00000243EA240000-memory.dmp

            memory/2612-190-0x00000243EA2B0000-0x00000243EA2C0000-memory.dmp

            memory/2612-4-0x00000243E9FA0000-0x00000243EA210000-memory.dmp

            memory/2612-14-0x00000243EA210000-0x00000243EA220000-memory.dmp

            memory/2616-262-0x00000185F0A50000-0x00000185F0A51000-memory.dmp

            memory/3940-297-0x000002942DBF0000-0x000002942DBF1000-memory.dmp

            memory/3940-305-0x000002942DBF0000-0x000002942DBF1000-memory.dmp