Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/05/2024, 01:10

General

  • Target
    25b71be8692f1524218fc4d5fbfaf2195c19883dda6c127300ae425ab8d84a70.js
  • Size 338KB
  • Sample240511-bjhtfsfc32
  • SHA256 25b71be8692f1524218fc4d5fbfaf2195c19883dda6c127300ae425ab8d84a70
  • 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
  • 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\25b71be8692f1524218fc4d5fbfaf2195c19883dda6c127300ae425ab8d84a70.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4088
    • 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\sioqpabaa.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:532
      • 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:696
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\sioqpabaa.txt"
        3⤵
        • Drops startup file
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2388
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\sioqpabaa.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1636
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\sioqpabaa.txt"
            5⤵
            • Creates scheduled task(s)
            PID:1368
        • 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\sioqpabaa.txt"
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:4860
          • 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:812
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1508
          • 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:4868
            • 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:4732
          • 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:4152
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:848
            • 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:4320
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                6⤵
                  PID:1912

      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 8870d7e06563f44c226920ea87a4c0a30a10e5e774aca59ccd122ca750858daa
            • MD5 SHA1 SHA512

            jna569247616830454042.dll

            • Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna569247616830454042.dll
            • Size 241KB
            • SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
            • MD5 SHA1 SHA512 SSDEEP

            83aa4cc77f591dfc2374580bbd95f6ba_215f2dba-ef84-4dd1-b127-5f514a0c233b

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3906287020-2915474608-1755617787-1000\83aa4cc77f591dfc2374580bbd95f6ba_215f2dba-ef84-4dd1-b127-5f514a0c233b
            • Size 45B
            • SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
            • MD5 SHA1 SHA512

            sioqpabaa.txt

            • Path C:\Users\Admin\AppData\Roaming\sioqpabaa.txt
            • Size 164KB
            • SHA256 19a1796f53aed8daf769cb5adc2fdec81bd3cd7b6f5a3a746bd41c97e1eea44c
            • 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/532-112-0x000001E48FB30000-0x000001E48FB40000-memory.dmp

            memory/532-160-0x000001E48F980000-0x000001E48F990000-memory.dmp

            memory/532-23-0x000001E48F980000-0x000001E48F990000-memory.dmp

            memory/532-26-0x000001E48F6B0000-0x000001E48F6B1000-memory.dmp

            memory/532-28-0x000001E48F9A0000-0x000001E48F9B0000-memory.dmp

            memory/532-27-0x000001E48F990000-0x000001E48F9A0000-memory.dmp

            memory/532-33-0x000001E48F9C0000-0x000001E48F9D0000-memory.dmp

            memory/532-32-0x000001E48F9B0000-0x000001E48F9C0000-memory.dmp

            memory/532-38-0x000001E48F9D0000-0x000001E48F9E0000-memory.dmp

            memory/532-44-0x000001E48F9F0000-0x000001E48FA00000-memory.dmp

            memory/532-45-0x000001E48FA00000-0x000001E48FA10000-memory.dmp

            memory/532-43-0x000001E48F9E0000-0x000001E48F9F0000-memory.dmp

            memory/532-51-0x000001E48FA10000-0x000001E48FA20000-memory.dmp

            memory/532-55-0x000001E48FA40000-0x000001E48FA50000-memory.dmp

            memory/532-54-0x000001E48FA50000-0x000001E48FA60000-memory.dmp

            memory/532-53-0x000001E48FA30000-0x000001E48FA40000-memory.dmp

            memory/532-52-0x000001E48FA20000-0x000001E48FA30000-memory.dmp

            memory/532-50-0x000001E48F6D0000-0x000001E48F940000-memory.dmp

            memory/532-61-0x000001E48FA60000-0x000001E48FA70000-memory.dmp

            memory/532-60-0x000001E48F960000-0x000001E48F970000-memory.dmp

            memory/532-59-0x000001E48F950000-0x000001E48F960000-memory.dmp

            memory/532-58-0x000001E48F940000-0x000001E48F950000-memory.dmp

            memory/532-65-0x000001E48FA70000-0x000001E48FA80000-memory.dmp

            memory/532-64-0x000001E48F970000-0x000001E48F980000-memory.dmp

            memory/532-66-0x000001E48F6B0000-0x000001E48F6B1000-memory.dmp

            memory/532-69-0x000001E48F980000-0x000001E48F990000-memory.dmp

            memory/532-70-0x000001E48FA80000-0x000001E48FA90000-memory.dmp

            memory/532-75-0x000001E48F9A0000-0x000001E48F9B0000-memory.dmp

            memory/532-76-0x000001E48FA90000-0x000001E48FAA0000-memory.dmp

            memory/532-81-0x000001E48F9C0000-0x000001E48F9D0000-memory.dmp

            memory/532-80-0x000001E48F9B0000-0x000001E48F9C0000-memory.dmp

            memory/532-74-0x000001E48F990000-0x000001E48F9A0000-memory.dmp

            memory/532-86-0x000001E48FAD0000-0x000001E48FAE0000-memory.dmp

            memory/532-85-0x000001E48FAD0000-0x000001E48FAE0000-memory.dmp

            memory/532-93-0x000001E48FB00000-0x000001E48FB10000-memory.dmp

            memory/532-92-0x000001E48FAF0000-0x000001E48FB00000-memory.dmp

            memory/532-91-0x000001E48FAE0000-0x000001E48FAF0000-memory.dmp

            memory/532-90-0x000001E48F9D0000-0x000001E48F9E0000-memory.dmp

            memory/532-84-0x000001E48FAC0000-0x000001E48FAD0000-memory.dmp

            memory/532-83-0x000001E48FAB0000-0x000001E48FAC0000-memory.dmp

            memory/532-82-0x000001E48FAA0000-0x000001E48FAB0000-memory.dmp

            memory/532-98-0x000001E48F6B0000-0x000001E48F6B1000-memory.dmp

            memory/532-100-0x000001E48F9E0000-0x000001E48F9F0000-memory.dmp

            memory/532-102-0x000001E48FB10000-0x000001E48FB20000-memory.dmp

            memory/532-101-0x000001E48F9F0000-0x000001E48FA00000-memory.dmp

            memory/532-103-0x000001E48F6B0000-0x000001E48F6B1000-memory.dmp

            memory/532-106-0x000001E48FB20000-0x000001E48FB30000-memory.dmp

            memory/532-105-0x000001E48FA00000-0x000001E48FA10000-memory.dmp

            memory/532-108-0x000001E48FA10000-0x000001E48FA20000-memory.dmp

            memory/532-18-0x000001E48F950000-0x000001E48F960000-memory.dmp

            memory/532-111-0x000001E48FA50000-0x000001E48FA60000-memory.dmp

            memory/532-110-0x000001E48FA30000-0x000001E48FA40000-memory.dmp

            memory/532-21-0x000001E48F970000-0x000001E48F980000-memory.dmp

            memory/532-109-0x000001E48FA20000-0x000001E48FA30000-memory.dmp

            memory/532-127-0x000001E48FB70000-0x000001E48FB80000-memory.dmp

            memory/532-117-0x000001E48F6B0000-0x000001E48F6B1000-memory.dmp

            memory/532-122-0x000001E48FA60000-0x000001E48FA70000-memory.dmp

            memory/532-124-0x000001E48FB60000-0x000001E48FB70000-memory.dmp

            memory/532-123-0x000001E48FB50000-0x000001E48FB60000-memory.dmp

            memory/532-114-0x000001E48FA40000-0x000001E48FA50000-memory.dmp

            memory/532-130-0x000001E48FB80000-0x000001E48FB90000-memory.dmp

            memory/532-129-0x000001E48FA80000-0x000001E48FA90000-memory.dmp

            memory/532-126-0x000001E48FA70000-0x000001E48FA80000-memory.dmp

            memory/532-137-0x000001E48FB90000-0x000001E48FBA0000-memory.dmp

            memory/532-136-0x000001E48FA90000-0x000001E48FAA0000-memory.dmp

            memory/532-139-0x000001E48F6B0000-0x000001E48F6B1000-memory.dmp

            memory/532-144-0x000001E48FBA0000-0x000001E48FBB0000-memory.dmp

            memory/532-143-0x000001E48FAD0000-0x000001E48FAE0000-memory.dmp

            memory/532-142-0x000001E48FAC0000-0x000001E48FAD0000-memory.dmp

            memory/532-141-0x000001E48FAB0000-0x000001E48FAC0000-memory.dmp

            memory/532-140-0x000001E48FAA0000-0x000001E48FAB0000-memory.dmp

            memory/532-148-0x000001E48F6B0000-0x000001E48F6B1000-memory.dmp

            memory/532-150-0x000001E48FAE0000-0x000001E48FAF0000-memory.dmp

            memory/532-151-0x000001E48FAF0000-0x000001E48FB00000-memory.dmp

            memory/532-152-0x000001E48FB00000-0x000001E48FB10000-memory.dmp

            memory/532-154-0x000001E48F6B0000-0x000001E48F6B1000-memory.dmp

            memory/532-155-0x000001E48FA00000-0x000001E48FA10000-memory.dmp

            memory/532-164-0x000001E48F9C0000-0x000001E48F9D0000-memory.dmp

            memory/532-169-0x000001E48FA10000-0x000001E48FA20000-memory.dmp

            memory/532-179-0x000001E48FB20000-0x000001E48FB30000-memory.dmp

            memory/532-178-0x000001E48FB10000-0x000001E48FB20000-memory.dmp

            memory/532-177-0x000001E48FB00000-0x000001E48FB10000-memory.dmp

            memory/532-167-0x000001E48F9F0000-0x000001E48FA00000-memory.dmp

            memory/532-176-0x000001E48FAF0000-0x000001E48FB00000-memory.dmp

            memory/532-175-0x000001E48FAE0000-0x000001E48FAF0000-memory.dmp

            memory/532-174-0x000001E48FAD0000-0x000001E48FAE0000-memory.dmp

            memory/532-173-0x000001E48FAC0000-0x000001E48FAD0000-memory.dmp

            memory/532-172-0x000001E48FA90000-0x000001E48FAA0000-memory.dmp

            memory/532-171-0x000001E48FA70000-0x000001E48FA80000-memory.dmp

            memory/532-170-0x000001E48F6D0000-0x000001E48F940000-memory.dmp

            memory/532-168-0x000001E48FA40000-0x000001E48FA50000-memory.dmp

            memory/532-166-0x000001E48F9E0000-0x000001E48F9F0000-memory.dmp

            memory/532-163-0x000001E48F9B0000-0x000001E48F9C0000-memory.dmp

            memory/532-165-0x000001E48F9D0000-0x000001E48F9E0000-memory.dmp

            memory/532-162-0x000001E48F9A0000-0x000001E48F9B0000-memory.dmp

            memory/532-161-0x000001E48F990000-0x000001E48F9A0000-memory.dmp

            memory/532-115-0x000001E48FB40000-0x000001E48FB50000-memory.dmp

            memory/532-19-0x000001E48F960000-0x000001E48F970000-memory.dmp

            memory/532-156-0x000001E48F940000-0x000001E48F950000-memory.dmp

            memory/532-159-0x000001E48F970000-0x000001E48F980000-memory.dmp

            memory/532-158-0x000001E48F960000-0x000001E48F970000-memory.dmp

            memory/532-157-0x000001E48F950000-0x000001E48F960000-memory.dmp

            memory/532-4-0x000001E48F6D0000-0x000001E48F940000-memory.dmp

            memory/532-17-0x000001E48F940000-0x000001E48F950000-memory.dmp

            memory/2388-219-0x00000218AE370000-0x00000218AE371000-memory.dmp

            memory/4860-245-0x000001ED3E840000-0x000001ED3E841000-memory.dmp

            memory/4860-260-0x000001ED3E840000-0x000001ED3E841000-memory.dmp