Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/10/2024, 09:25

General

  • Target
    c31cee51acf037dd2a09dd6dfddc5e889df9646af5625f827007c5b795b0dbb6.js
  • Size 205KB
  • Sample241023-ldly2asclc
  • SHA256 c31cee51acf037dd2a09dd6dfddc5e889df9646af5625f827007c5b795b0dbb6
  • 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\c31cee51acf037dd2a09dd6dfddc5e889df9646af5625f827007c5b795b0dbb6.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:868
    • 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\ppgrhvfqin.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\ppgrhvfqin.txt"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2392
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ppgrhvfqin.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4784
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ppgrhvfqin.txt"
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:3564
        • 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\ppgrhvfqin.txt"
          4⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:1720
          • 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:1064
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1392
          • 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:1292
            • 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:5012
          • 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:4072
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:4128
            • 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:2216
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                6⤵
                  PID:1076

      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 bf4f9c7e85bf5aad624406ae7759b654555a4c9a5776c18ebf41ed4bb3a5b26d
            • MD5 SHA1 SHA512

            jna6747180915319081374.dll

            • Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna6747180915319081374.dll
            • Size 241KB
            • SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
            • MD5 SHA1 SHA512 SSDEEP

            83aa4cc77f591dfc2374580bbd95f6ba_4304acb9-c3f6-452a-9860-eb4e85d38d4e

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2437139445-1151884604-3026847218-1000\83aa4cc77f591dfc2374580bbd95f6ba_4304acb9-c3f6-452a-9860-eb4e85d38d4e
            • Size 45B
            • SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
            • MD5 SHA1 SHA512

            ppgrhvfqin.txt

            • Path C:\Users\Admin\AppData\Roaming\ppgrhvfqin.txt
            • Size 92KB
            • SHA256 489004af1fd6085da359ab80ecce733e9bda9d5f7ddf08edcd5ae38a24826177
            • 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/1720-279-0x0000021A55FB0000-0x0000021A55FB1000-memory.dmp

            memory/1720-258-0x0000021A55FB0000-0x0000021A55FB1000-memory.dmp

            memory/1720-281-0x0000021A55FB0000-0x0000021A55FB1000-memory.dmp

            memory/2392-236-0x000001F4CF550000-0x000001F4CF551000-memory.dmp

            memory/2392-211-0x000001F4CF550000-0x000001F4CF551000-memory.dmp

            memory/2616-105-0x0000026350A10000-0x0000026350A11000-memory.dmp

            memory/2616-117-0x00000263526D0000-0x00000263526E0000-memory.dmp

            memory/2616-36-0x0000026352550000-0x0000026352560000-memory.dmp

            memory/2616-39-0x0000026352260000-0x00000263524D0000-memory.dmp

            memory/2616-43-0x0000026352580000-0x0000026352590000-memory.dmp

            memory/2616-42-0x00000263524D0000-0x00000263524E0000-memory.dmp

            memory/2616-41-0x0000026352570000-0x0000026352580000-memory.dmp

            memory/2616-46-0x0000026352590000-0x00000263525A0000-memory.dmp

            memory/2616-45-0x00000263524E0000-0x00000263524F0000-memory.dmp

            memory/2616-40-0x0000026352560000-0x0000026352570000-memory.dmp

            memory/2616-52-0x00000263525B0000-0x00000263525C0000-memory.dmp

            memory/2616-51-0x00000263525A0000-0x00000263525B0000-memory.dmp

            memory/2616-50-0x0000026352500000-0x0000026352510000-memory.dmp

            memory/2616-49-0x00000263524F0000-0x0000026352500000-memory.dmp

            memory/2616-56-0x00000263525C0000-0x00000263525D0000-memory.dmp

            memory/2616-58-0x0000026352520000-0x0000026352530000-memory.dmp

            memory/2616-57-0x00000263525D0000-0x00000263525E0000-memory.dmp

            memory/2616-55-0x0000026352510000-0x0000026352520000-memory.dmp

            memory/2616-62-0x00000263525E0000-0x00000263525F0000-memory.dmp

            memory/2616-61-0x0000026352530000-0x0000026352540000-memory.dmp

            memory/2616-67-0x00000263525F0000-0x0000026352600000-memory.dmp

            memory/2616-66-0x0000026350A10000-0x0000026350A11000-memory.dmp

            memory/2616-65-0x0000026352540000-0x0000026352550000-memory.dmp

            memory/2616-71-0x0000026352550000-0x0000026352560000-memory.dmp

            memory/2616-73-0x0000026352600000-0x0000026352610000-memory.dmp

            memory/2616-72-0x0000026352560000-0x0000026352570000-memory.dmp

            memory/2616-75-0x0000026352610000-0x0000026352620000-memory.dmp

            memory/2616-82-0x0000026352590000-0x00000263525A0000-memory.dmp

            memory/2616-81-0x0000026352630000-0x0000026352640000-memory.dmp

            memory/2616-80-0x0000026352620000-0x0000026352630000-memory.dmp

            memory/2616-79-0x0000026352580000-0x0000026352590000-memory.dmp

            memory/2616-77-0x0000026352570000-0x0000026352580000-memory.dmp

            memory/2616-91-0x0000026352650000-0x0000026352660000-memory.dmp

            memory/2616-90-0x00000263525B0000-0x00000263525C0000-memory.dmp

            memory/2616-89-0x0000026352660000-0x0000026352670000-memory.dmp

            memory/2616-88-0x0000026352640000-0x0000026352650000-memory.dmp

            memory/2616-87-0x00000263525A0000-0x00000263525B0000-memory.dmp

            memory/2616-93-0x0000026352670000-0x0000026352680000-memory.dmp

            memory/2616-92-0x00000263525C0000-0x00000263525D0000-memory.dmp

            memory/2616-98-0x0000026350A10000-0x0000026350A11000-memory.dmp

            memory/2616-101-0x0000026352680000-0x0000026352690000-memory.dmp

            memory/2616-100-0x00000263525D0000-0x00000263525E0000-memory.dmp

            memory/2616-104-0x0000026352690000-0x00000263526A0000-memory.dmp

            memory/2616-103-0x00000263525E0000-0x00000263525F0000-memory.dmp

            memory/2616-28-0x0000026352530000-0x0000026352540000-memory.dmp

            memory/2616-108-0x00000263526A0000-0x00000263526B0000-memory.dmp

            memory/2616-107-0x00000263525F0000-0x0000026352600000-memory.dmp

            memory/2616-111-0x00000263526B0000-0x00000263526C0000-memory.dmp

            memory/2616-110-0x0000026352600000-0x0000026352610000-memory.dmp

            memory/2616-114-0x00000263526C0000-0x00000263526D0000-memory.dmp

            memory/2616-113-0x0000026352610000-0x0000026352620000-memory.dmp

            memory/2616-34-0x0000026352540000-0x0000026352550000-memory.dmp

            memory/2616-116-0x0000026352620000-0x0000026352630000-memory.dmp

            memory/2616-118-0x0000026350A10000-0x0000026350A11000-memory.dmp

            memory/2616-124-0x00000263526E0000-0x00000263526F0000-memory.dmp

            memory/2616-123-0x0000026352630000-0x0000026352640000-memory.dmp

            memory/2616-129-0x00000263526F0000-0x0000026352700000-memory.dmp

            memory/2616-128-0x0000026352660000-0x0000026352670000-memory.dmp

            memory/2616-127-0x0000026352640000-0x0000026352650000-memory.dmp

            memory/2616-126-0x0000026350A10000-0x0000026350A11000-memory.dmp

            memory/2616-132-0x0000026352650000-0x0000026352660000-memory.dmp

            memory/2616-133-0x0000026352700000-0x0000026352710000-memory.dmp

            memory/2616-137-0x0000026352670000-0x0000026352680000-memory.dmp

            memory/2616-138-0x0000026352710000-0x0000026352720000-memory.dmp

            memory/2616-141-0x0000026350A10000-0x0000026350A11000-memory.dmp

            memory/2616-145-0x0000026352680000-0x0000026352690000-memory.dmp

            memory/2616-146-0x0000026352690000-0x00000263526A0000-memory.dmp

            memory/2616-155-0x00000263525D0000-0x00000263525E0000-memory.dmp

            memory/2616-156-0x0000026352520000-0x0000026352530000-memory.dmp

            memory/2616-154-0x0000026352500000-0x0000026352510000-memory.dmp

            memory/2616-153-0x00000263525B0000-0x00000263525C0000-memory.dmp

            memory/2616-152-0x00000263524E0000-0x00000263524F0000-memory.dmp

            memory/2616-151-0x00000263524D0000-0x00000263524E0000-memory.dmp

            memory/2616-150-0x0000026352570000-0x0000026352580000-memory.dmp

            memory/2616-161-0x0000026352540000-0x0000026352550000-memory.dmp

            memory/2616-160-0x0000026352530000-0x0000026352540000-memory.dmp

            memory/2616-180-0x00000263526B0000-0x00000263526C0000-memory.dmp

            memory/2616-179-0x00000263526A0000-0x00000263526B0000-memory.dmp

            memory/2616-178-0x0000026352670000-0x0000026352680000-memory.dmp

            memory/2616-177-0x00000263525A0000-0x00000263525B0000-memory.dmp

            memory/2616-176-0x0000026352660000-0x0000026352670000-memory.dmp

            memory/2616-175-0x0000026352640000-0x0000026352650000-memory.dmp

            memory/2616-174-0x0000026352580000-0x0000026352590000-memory.dmp

            memory/2616-173-0x0000026352620000-0x0000026352630000-memory.dmp

            memory/2616-172-0x0000026352600000-0x0000026352610000-memory.dmp

            memory/2616-171-0x00000263525F0000-0x0000026352600000-memory.dmp

            memory/2616-170-0x00000263525E0000-0x00000263525F0000-memory.dmp

            memory/2616-169-0x0000026352510000-0x0000026352520000-memory.dmp

            memory/2616-168-0x00000263525C0000-0x00000263525D0000-memory.dmp

            memory/2616-167-0x00000263524F0000-0x0000026352500000-memory.dmp

            memory/2616-24-0x0000026350A10000-0x0000026350A11000-memory.dmp

            memory/2616-25-0x0000026352520000-0x0000026352530000-memory.dmp

            memory/2616-23-0x0000026352510000-0x0000026352520000-memory.dmp

            memory/2616-19-0x00000263524F0000-0x0000026352500000-memory.dmp

            memory/2616-20-0x0000026352500000-0x0000026352510000-memory.dmp

            memory/2616-16-0x00000263524E0000-0x00000263524F0000-memory.dmp

            memory/2616-14-0x00000263524D0000-0x00000263524E0000-memory.dmp

            memory/2616-4-0x0000026352260000-0x00000263524D0000-memory.dmp

            memory/2616-166-0x0000026352650000-0x0000026352660000-memory.dmp

            memory/2616-165-0x0000026352590000-0x00000263525A0000-memory.dmp

            memory/2616-164-0x0000026352560000-0x0000026352570000-memory.dmp

            memory/2616-163-0x0000026352260000-0x00000263524D0000-memory.dmp

            memory/2616-162-0x0000026352550000-0x0000026352560000-memory.dmp