Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/05/2024, 01:16

General

  • Target
    5c65955da2b6e996c378858d6a886bad85e969fd42509053794cb8ad64630894.js
  • Size 348KB
  • Sample240512-bmrwjace28
  • SHA256 5c65955da2b6e996c378858d6a886bad85e969fd42509053794cb8ad64630894
  • 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\5c65955da2b6e996c378858d6a886bad85e969fd42509053794cb8ad64630894.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1848
    • 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\fceoqlld.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5096
      • 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:4744
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\fceoqlld.txt"
        3⤵
        • Drops startup file
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2872
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\fceoqlld.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4176
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\fceoqlld.txt"
            5⤵
            • Creates scheduled task(s)
            PID:4028
        • 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\fceoqlld.txt"
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:5116
          • 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:4072
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1272
          • 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:3312
            • 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:3024
          • 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:1156
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:2108
            • 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:2660
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                6⤵
                  PID:1572
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2660 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1732

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              3903daac9bc4a3b7.timestamp

              • Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
              • Size 46B
              • SHA256 bd41a8c6dfac83061ac93c6e6b329f67f2220d10e85674cf5f1a32fd49cfff8c
              • MD5 SHA1 SHA512

              3903daac9bc4a3b7.timestamp

              • Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
              • Size 46B
              • SHA256 ef1741de193726ee4f6b19121830b2e9118fc648443b2c4700e267b5d4213d03
              • MD5 SHA1 SHA512

              jna2526369057081615695.dll

              • Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna2526369057081615695.dll
              • Size 241KB
              • SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
              • MD5 SHA1 SHA512 SSDEEP

              83aa4cc77f591dfc2374580bbd95f6ba_2397ee06-28fe-4eaa-8777-f7014368c353

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3808065738-1666277613-1125846146-1000\83aa4cc77f591dfc2374580bbd95f6ba_2397ee06-28fe-4eaa-8777-f7014368c353
              • Size 45B
              • SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
              • MD5 SHA1 SHA512

              fceoqlld.txt

              • Path C:\Users\Admin\AppData\Roaming\fceoqlld.txt
              • Size 164KB
              • SHA256 486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705
              • 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/5096-178-0x000001C08D920000-0x000001C08D930000-memory.dmp

              memory/5096-256-0x000001C08D9A0000-0x000001C08D9B0000-memory.dmp

              memory/5096-27-0x000001C08D890000-0x000001C08D8A0000-memory.dmp

              memory/5096-26-0x000001C08D880000-0x000001C08D890000-memory.dmp

              memory/5096-29-0x000001C08D5E0000-0x000001C08D850000-memory.dmp

              memory/5096-30-0x000001C08D8A0000-0x000001C08D8B0000-memory.dmp

              memory/5096-32-0x000001C08D8B0000-0x000001C08D8C0000-memory.dmp

              memory/5096-34-0x000001C08D8C0000-0x000001C08D8D0000-memory.dmp

              memory/5096-37-0x000001C08D8D0000-0x000001C08D8E0000-memory.dmp

              memory/5096-42-0x000001C08D5C0000-0x000001C08D5C1000-memory.dmp

              memory/5096-45-0x000001C08D8E0000-0x000001C08D8F0000-memory.dmp

              memory/5096-46-0x000001C08D850000-0x000001C08D860000-memory.dmp

              memory/5096-47-0x000001C08D8F0000-0x000001C08D900000-memory.dmp

              memory/5096-51-0x000001C08D900000-0x000001C08D910000-memory.dmp

              memory/5096-49-0x000001C08D860000-0x000001C08D870000-memory.dmp

              memory/5096-52-0x000001C08D870000-0x000001C08D880000-memory.dmp

              memory/5096-53-0x000001C08D910000-0x000001C08D920000-memory.dmp

              memory/5096-56-0x000001C08D920000-0x000001C08D930000-memory.dmp

              memory/5096-55-0x000001C08D880000-0x000001C08D890000-memory.dmp

              memory/5096-59-0x000001C08D930000-0x000001C08D940000-memory.dmp

              memory/5096-58-0x000001C08D890000-0x000001C08D8A0000-memory.dmp

              memory/5096-62-0x000001C08D940000-0x000001C08D950000-memory.dmp

              memory/5096-61-0x000001C08D8A0000-0x000001C08D8B0000-memory.dmp

              memory/5096-65-0x000001C08D950000-0x000001C08D960000-memory.dmp

              memory/5096-64-0x000001C08D8B0000-0x000001C08D8C0000-memory.dmp

              memory/5096-67-0x000001C08D8C0000-0x000001C08D8D0000-memory.dmp

              memory/5096-209-0x000001C08D9F0000-0x000001C08DA00000-memory.dmp

              memory/5096-81-0x000001C08D970000-0x000001C08D980000-memory.dmp

              memory/5096-80-0x000001C08D8D0000-0x000001C08D8E0000-memory.dmp

              memory/5096-86-0x000001C08D5C0000-0x000001C08D5C1000-memory.dmp

              memory/5096-106-0x000001C08D8E0000-0x000001C08D8F0000-memory.dmp

              memory/5096-107-0x000001C08D980000-0x000001C08D990000-memory.dmp

              memory/5096-114-0x000001C08D990000-0x000001C08D9A0000-memory.dmp

              memory/5096-113-0x000001C08D8F0000-0x000001C08D900000-memory.dmp

              memory/5096-138-0x000001C08D900000-0x000001C08D910000-memory.dmp

              memory/5096-139-0x000001C08D9A0000-0x000001C08D9B0000-memory.dmp

              memory/5096-142-0x000001C08D910000-0x000001C08D920000-memory.dmp

              memory/5096-143-0x000001C08D9B0000-0x000001C08D9C0000-memory.dmp

              memory/5096-179-0x000001C08D9C0000-0x000001C08D9D0000-memory.dmp

              memory/5096-20-0x000001C08D860000-0x000001C08D870000-memory.dmp

              memory/5096-197-0x000001C08D9D0000-0x000001C08D9E0000-memory.dmp

              memory/5096-193-0x000001C08D930000-0x000001C08D940000-memory.dmp

              memory/5096-206-0x000001C08D9E0000-0x000001C08D9F0000-memory.dmp

              memory/5096-205-0x000001C08D940000-0x000001C08D950000-memory.dmp

              memory/5096-68-0x000001C08D960000-0x000001C08D970000-memory.dmp

              memory/5096-23-0x000001C08D870000-0x000001C08D880000-memory.dmp

              memory/5096-234-0x000001C08DA20000-0x000001C08DA30000-memory.dmp

              memory/5096-221-0x000001C08D960000-0x000001C08D970000-memory.dmp

              memory/5096-226-0x000001C08DA10000-0x000001C08DA20000-memory.dmp

              memory/5096-225-0x000001C08D970000-0x000001C08D980000-memory.dmp

              memory/5096-222-0x000001C08DA00000-0x000001C08DA10000-memory.dmp

              memory/5096-233-0x000001C08D980000-0x000001C08D990000-memory.dmp

              memory/5096-238-0x000001C08D990000-0x000001C08D9A0000-memory.dmp

              memory/5096-240-0x000001C08DA30000-0x000001C08DA40000-memory.dmp

              memory/5096-208-0x000001C08D950000-0x000001C08D960000-memory.dmp

              memory/5096-257-0x000001C08D9B0000-0x000001C08D9C0000-memory.dmp

              memory/5096-265-0x000001C08D890000-0x000001C08D8A0000-memory.dmp

              memory/5096-267-0x000001C08D860000-0x000001C08D870000-memory.dmp

              memory/5096-293-0x000001C08D9F0000-0x000001C08DA00000-memory.dmp

              memory/5096-297-0x000001C08DA30000-0x000001C08DA40000-memory.dmp

              memory/5096-296-0x000001C08DA20000-0x000001C08DA30000-memory.dmp

              memory/5096-295-0x000001C08DA10000-0x000001C08DA20000-memory.dmp

              memory/5096-294-0x000001C08DA00000-0x000001C08DA10000-memory.dmp

              memory/5096-292-0x000001C08D9E0000-0x000001C08D9F0000-memory.dmp

              memory/5096-291-0x000001C08D9D0000-0x000001C08D9E0000-memory.dmp

              memory/5096-290-0x000001C08D9C0000-0x000001C08D9D0000-memory.dmp

              memory/5096-289-0x000001C08D9A0000-0x000001C08D9B0000-memory.dmp

              memory/5096-288-0x000001C08D990000-0x000001C08D9A0000-memory.dmp

              memory/5096-287-0x000001C08D980000-0x000001C08D990000-memory.dmp

              memory/5096-286-0x000001C08D970000-0x000001C08D980000-memory.dmp

              memory/5096-285-0x000001C08D960000-0x000001C08D970000-memory.dmp

              memory/5096-284-0x000001C08D950000-0x000001C08D960000-memory.dmp

              memory/5096-283-0x000001C08D940000-0x000001C08D950000-memory.dmp

              memory/5096-282-0x000001C08D930000-0x000001C08D940000-memory.dmp

              memory/5096-281-0x000001C08D920000-0x000001C08D930000-memory.dmp

              memory/5096-280-0x000001C08D910000-0x000001C08D920000-memory.dmp

              memory/5096-279-0x000001C08D900000-0x000001C08D910000-memory.dmp

              memory/5096-278-0x000001C08D8F0000-0x000001C08D900000-memory.dmp

              memory/5096-277-0x000001C08D8E0000-0x000001C08D8F0000-memory.dmp

              memory/5096-276-0x000001C08D8D0000-0x000001C08D8E0000-memory.dmp

              memory/5096-275-0x000001C08D8C0000-0x000001C08D8D0000-memory.dmp

              memory/5096-274-0x000001C08D8B0000-0x000001C08D8C0000-memory.dmp

              memory/5096-273-0x000001C08D8A0000-0x000001C08D8B0000-memory.dmp

              memory/5096-18-0x000001C08D850000-0x000001C08D860000-memory.dmp

              memory/5096-14-0x000001C08D5C0000-0x000001C08D5C1000-memory.dmp

              memory/5096-4-0x000001C08D5E0000-0x000001C08D850000-memory.dmp

              memory/5096-272-0x000001C08D5E0000-0x000001C08D850000-memory.dmp

              memory/5096-269-0x000001C08D880000-0x000001C08D890000-memory.dmp

              memory/5096-268-0x000001C08D870000-0x000001C08D880000-memory.dmp

              memory/5096-266-0x000001C08D850000-0x000001C08D860000-memory.dmp