Analysis

  • max time kernel
    147s
  • 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
    17/10/2024, 01:01

General

  • Target
    002b815349c937aa5742a14d349dbc841c7348990e21a42fe7a503a5bfa562a6.js
  • Size 199KB
  • Sample241017-bc7h8stbma
  • SHA256 002b815349c937aa5742a14d349dbc841c7348990e21a42fe7a503a5bfa562a6
  • 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 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\002b815349c937aa5742a14d349dbc841c7348990e21a42fe7a503a5bfa562a6.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:732
    • 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\ecahesgt.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3888
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\ecahesgt.txt"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2512
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ecahesgt.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2156
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ecahesgt.txt"
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2320
        • 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\ecahesgt.txt"
          4⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2408
          • 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:3208
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1724
          • 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:3968
            • 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:1964
          • 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:2916
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:1328
            • 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:540
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                6⤵
                  PID:4196

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            3903daac9bc4a3b7.timestamp

            • Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
            • Size 46B
            • SHA256 d1fcdef1284bf56d3167fda966feec08d0eead2d3e8d2d0fac9a32537406530a
            • MD5 SHA1 SHA512

            jna6664326563887913144.dll

            • Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna6664326563887913144.dll
            • Size 241KB
            • SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
            • MD5 SHA1 SHA512 SSDEEP

            83aa4cc77f591dfc2374580bbd95f6ba_f2cdb6fb-4ab8-4547-9f25-fad1f7a44351

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-940901362-3608833189-1915618603-1000\83aa4cc77f591dfc2374580bbd95f6ba_f2cdb6fb-4ab8-4547-9f25-fad1f7a44351
            • Size 45B
            • SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
            • MD5 SHA1 SHA512

            ecahesgt.txt

            • Path C:\Users\Admin\AppData\Roaming\ecahesgt.txt
            • Size 92KB
            • SHA256 e14f1c7e11a1f1ddd570d605e4204a694a7370d603c1b1ca157e505f180ccc48
            • 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/2408-265-0x00000183BAB90000-0x00000183BAB91000-memory.dmp

            memory/2408-254-0x00000183BAB90000-0x00000183BAB91000-memory.dmp

            memory/2512-223-0x00000222A0900000-0x00000222A0901000-memory.dmp

            memory/2512-224-0x00000222A1F40000-0x00000222A21B0000-memory.dmp

            memory/2512-199-0x00000222A0900000-0x00000222A0901000-memory.dmp

            memory/2512-178-0x00000222A1F40000-0x00000222A21B0000-memory.dmp

            memory/3888-103-0x000002445F130000-0x000002445F140000-memory.dmp

            memory/3888-117-0x000002445F220000-0x000002445F230000-memory.dmp

            memory/3888-41-0x000002445D580000-0x000002445D581000-memory.dmp

            memory/3888-44-0x000002445F0D0000-0x000002445F0E0000-memory.dmp

            memory/3888-43-0x000002445F030000-0x000002445F040000-memory.dmp

            memory/3888-40-0x000002445F020000-0x000002445F030000-memory.dmp

            memory/3888-39-0x000002445F0C0000-0x000002445F0D0000-memory.dmp

            memory/3888-48-0x000002445F0E0000-0x000002445F0F0000-memory.dmp

            memory/3888-47-0x000002445F050000-0x000002445F060000-memory.dmp

            memory/3888-46-0x000002445F040000-0x000002445F050000-memory.dmp

            memory/3888-38-0x000002445F0B0000-0x000002445F0C0000-memory.dmp

            memory/3888-53-0x000002445F060000-0x000002445F070000-memory.dmp

            memory/3888-52-0x000002445F100000-0x000002445F110000-memory.dmp

            memory/3888-51-0x000002445F0F0000-0x000002445F100000-memory.dmp

            memory/3888-58-0x000002445F110000-0x000002445F120000-memory.dmp

            memory/3888-57-0x000002445F070000-0x000002445F080000-memory.dmp

            memory/3888-61-0x000002445F080000-0x000002445F090000-memory.dmp

            memory/3888-62-0x000002445F120000-0x000002445F130000-memory.dmp

            memory/3888-66-0x000002445F130000-0x000002445F140000-memory.dmp

            memory/3888-65-0x000002445F090000-0x000002445F0A0000-memory.dmp

            memory/3888-71-0x000002445F0B0000-0x000002445F0C0000-memory.dmp

            memory/3888-70-0x000002445F140000-0x000002445F150000-memory.dmp

            memory/3888-69-0x000002445F0A0000-0x000002445F0B0000-memory.dmp

            memory/3888-74-0x000002445F0C0000-0x000002445F0D0000-memory.dmp

            memory/3888-77-0x000002445F0D0000-0x000002445F0E0000-memory.dmp

            memory/3888-89-0x000002445F100000-0x000002445F110000-memory.dmp

            memory/3888-88-0x000002445F0F0000-0x000002445F100000-memory.dmp

            memory/3888-87-0x000002445F1A0000-0x000002445F1B0000-memory.dmp

            memory/3888-86-0x000002445F190000-0x000002445F1A0000-memory.dmp

            memory/3888-90-0x000002445F1B0000-0x000002445F1C0000-memory.dmp

            memory/3888-85-0x000002445F180000-0x000002445F190000-memory.dmp

            memory/3888-84-0x000002445F170000-0x000002445F180000-memory.dmp

            memory/3888-76-0x000002445F160000-0x000002445F170000-memory.dmp

            memory/3888-75-0x000002445F150000-0x000002445F160000-memory.dmp

            memory/3888-83-0x000002445F0E0000-0x000002445F0F0000-memory.dmp

            memory/3888-95-0x000002445D580000-0x000002445D581000-memory.dmp

            memory/3888-98-0x000002445F1C0000-0x000002445F1D0000-memory.dmp

            memory/3888-97-0x000002445F110000-0x000002445F120000-memory.dmp

            memory/3888-101-0x000002445F1D0000-0x000002445F1E0000-memory.dmp

            memory/3888-100-0x000002445F120000-0x000002445F130000-memory.dmp

            memory/3888-104-0x000002445F1E0000-0x000002445F1F0000-memory.dmp

            memory/3888-35-0x000002445F0A0000-0x000002445F0B0000-memory.dmp

            memory/3888-108-0x000002445F1F0000-0x000002445F200000-memory.dmp

            memory/3888-107-0x000002445F140000-0x000002445F150000-memory.dmp

            memory/3888-106-0x000002445D580000-0x000002445D581000-memory.dmp

            memory/3888-111-0x000002445F200000-0x000002445F210000-memory.dmp

            memory/3888-115-0x000002445F210000-0x000002445F220000-memory.dmp

            memory/3888-114-0x000002445F160000-0x000002445F170000-memory.dmp

            memory/3888-113-0x000002445F150000-0x000002445F160000-memory.dmp

            memory/3888-37-0x000002445EDB0000-0x000002445F020000-memory.dmp

            memory/3888-119-0x000002445D580000-0x000002445D581000-memory.dmp

            memory/3888-123-0x000002445F170000-0x000002445F180000-memory.dmp

            memory/3888-127-0x000002445F230000-0x000002445F240000-memory.dmp

            memory/3888-126-0x000002445F1A0000-0x000002445F1B0000-memory.dmp

            memory/3888-125-0x000002445F190000-0x000002445F1A0000-memory.dmp

            memory/3888-124-0x000002445F180000-0x000002445F190000-memory.dmp

            memory/3888-131-0x000002445F240000-0x000002445F250000-memory.dmp

            memory/3888-135-0x000002445D580000-0x000002445D581000-memory.dmp

            memory/3888-136-0x000002445F1B0000-0x000002445F1C0000-memory.dmp

            memory/3888-137-0x000002445F1C0000-0x000002445F1D0000-memory.dmp

            memory/3888-138-0x000002445F250000-0x000002445F260000-memory.dmp

            memory/3888-142-0x000002445F1D0000-0x000002445F1E0000-memory.dmp

            memory/3888-146-0x000002445D580000-0x000002445D581000-memory.dmp

            memory/3888-149-0x000002445F030000-0x000002445F040000-memory.dmp

            memory/3888-148-0x000002445F020000-0x000002445F030000-memory.dmp

            memory/3888-152-0x000002445F060000-0x000002445F070000-memory.dmp

            memory/3888-158-0x000002445EDB0000-0x000002445F020000-memory.dmp

            memory/3888-154-0x000002445F080000-0x000002445F090000-memory.dmp

            memory/3888-174-0x000002445F250000-0x000002445F260000-memory.dmp

            memory/3888-173-0x000002445F240000-0x000002445F250000-memory.dmp

            memory/3888-172-0x000002445F230000-0x000002445F240000-memory.dmp

            memory/3888-171-0x000002445F220000-0x000002445F230000-memory.dmp

            memory/3888-170-0x000002445F210000-0x000002445F220000-memory.dmp

            memory/3888-169-0x000002445F200000-0x000002445F210000-memory.dmp

            memory/3888-168-0x000002445F1F0000-0x000002445F200000-memory.dmp

            memory/3888-167-0x000002445F1E0000-0x000002445F1F0000-memory.dmp

            memory/3888-166-0x000002445F140000-0x000002445F150000-memory.dmp

            memory/3888-165-0x000002445F130000-0x000002445F140000-memory.dmp

            memory/3888-164-0x000002445F120000-0x000002445F130000-memory.dmp

            memory/3888-163-0x000002445F110000-0x000002445F120000-memory.dmp

            memory/3888-162-0x000002445F100000-0x000002445F110000-memory.dmp

            memory/3888-161-0x000002445F0F0000-0x000002445F100000-memory.dmp

            memory/3888-160-0x000002445F0E0000-0x000002445F0F0000-memory.dmp

            memory/3888-159-0x000002445F0D0000-0x000002445F0E0000-memory.dmp

            memory/3888-157-0x000002445F0B0000-0x000002445F0C0000-memory.dmp

            memory/3888-156-0x000002445F0A0000-0x000002445F0B0000-memory.dmp

            memory/3888-155-0x000002445F090000-0x000002445F0A0000-memory.dmp

            memory/3888-153-0x000002445F070000-0x000002445F080000-memory.dmp

            memory/3888-32-0x000002445F090000-0x000002445F0A0000-memory.dmp

            memory/3888-26-0x000002445F080000-0x000002445F090000-memory.dmp

            memory/3888-25-0x000002445F070000-0x000002445F080000-memory.dmp

            memory/3888-22-0x000002445F060000-0x000002445F070000-memory.dmp

            memory/3888-19-0x000002445F040000-0x000002445F050000-memory.dmp

            memory/3888-20-0x000002445F050000-0x000002445F060000-memory.dmp

            memory/3888-17-0x000002445F030000-0x000002445F040000-memory.dmp

            memory/3888-14-0x000002445F020000-0x000002445F030000-memory.dmp

            memory/3888-4-0x000002445EDB0000-0x000002445F020000-memory.dmp

            memory/3888-151-0x000002445F050000-0x000002445F060000-memory.dmp

            memory/3888-150-0x000002445F040000-0x000002445F050000-memory.dmp

            memory/3888-147-0x000002445F0C0000-0x000002445F0D0000-memory.dmp