Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/06/2024, 07:53

General

  • Target
    0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar
  • Size 452KB
  • Sample240608-jrfm3abc28
  • SHA256 0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • STRRAT

    STRRAT is a remote access tool than can steal credentials and log keystrokes.

  • 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.

  • 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 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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1876
    • C:\Windows\system32\icacls.exe
      C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
      2⤵
      • Modifies file permissions
      PID:1628
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:864
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3312
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"
          4⤵
          • Creates scheduled task(s)
          PID:1760
      • 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\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3488
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:384
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2636
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4020
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2000
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3712
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:32
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4048
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:2928

      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 874f0f79758e8a641e7817d96576f2b44f827c876036aef9ffd7b1263a8293bd
            • MD5 SHA1 SHA512

            0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar

            • Path C:\Users\Admin\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar
            • Size 452KB
            • SHA256 0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb
            • MD5 SHA1 SHA512 SSDEEP

            jna85839771390004828.dll

            • Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna85839771390004828.dll
            • Size 241KB
            • SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
            • MD5 SHA1 SHA512 SSDEEP

            83aa4cc77f591dfc2374580bbd95f6ba_468f6343-c0e6-4931-9703-30c6539573cb

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2539840389-1261165778-1087677076-1000\83aa4cc77f591dfc2374580bbd95f6ba_468f6343-c0e6-4931-9703-30c6539573cb
            • Size 45B
            • SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
            • MD5 SHA1 SHA512

            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/864-301-0x000001339F2C0000-0x000001339F2C1000-memory.dmp

            memory/864-292-0x000001339F2C0000-0x000001339F2C1000-memory.dmp

            memory/1876-115-0x000001AA1A4C0000-0x000001AA1A4D0000-memory.dmp

            memory/1876-77-0x000001AA1A400000-0x000001AA1A410000-memory.dmp

            memory/1876-107-0x000001AA1A380000-0x000001AA1A390000-memory.dmp

            memory/1876-29-0x000001AA1A300000-0x000001AA1A310000-memory.dmp

            memory/1876-31-0x000001AA1A310000-0x000001AA1A320000-memory.dmp

            memory/1876-36-0x000001AA1A010000-0x000001AA1A280000-memory.dmp

            memory/1876-40-0x000001AA1A330000-0x000001AA1A340000-memory.dmp

            memory/1876-39-0x000001AA1A350000-0x000001AA1A360000-memory.dmp

            memory/1876-38-0x000001AA1A340000-0x000001AA1A350000-memory.dmp

            memory/1876-45-0x000001AA1A360000-0x000001AA1A370000-memory.dmp

            memory/1876-44-0x000001AA1A2A0000-0x000001AA1A2B0000-memory.dmp

            memory/1876-43-0x000001AA1A290000-0x000001AA1A2A0000-memory.dmp

            memory/1876-42-0x000001AA1A280000-0x000001AA1A290000-memory.dmp

            memory/1876-37-0x000001AA1A320000-0x000001AA1A330000-memory.dmp

            memory/1876-48-0x000001AA1A370000-0x000001AA1A380000-memory.dmp

            memory/1876-47-0x000001AA1A2B0000-0x000001AA1A2C0000-memory.dmp

            memory/1876-51-0x000001AA1A2C0000-0x000001AA1A2D0000-memory.dmp

            memory/1876-52-0x000001AA1A380000-0x000001AA1A390000-memory.dmp

            memory/1876-50-0x000001AA18830000-0x000001AA18831000-memory.dmp

            memory/1876-58-0x000001AA1A2D0000-0x000001AA1A2E0000-memory.dmp

            memory/1876-59-0x000001AA1A390000-0x000001AA1A3A0000-memory.dmp

            memory/1876-63-0x000001AA1A3A0000-0x000001AA1A3B0000-memory.dmp

            memory/1876-64-0x000001AA1A3B0000-0x000001AA1A3C0000-memory.dmp

            memory/1876-69-0x000001AA1A3D0000-0x000001AA1A3E0000-memory.dmp

            memory/1876-68-0x000001AA1A3C0000-0x000001AA1A3D0000-memory.dmp

            memory/1876-67-0x000001AA1A2F0000-0x000001AA1A300000-memory.dmp

            memory/1876-62-0x000001AA1A2E0000-0x000001AA1A2F0000-memory.dmp

            memory/1876-78-0x000001AA1A410000-0x000001AA1A420000-memory.dmp

            memory/1876-82-0x000001AA1A420000-0x000001AA1A430000-memory.dmp

            memory/1876-81-0x000001AA1A310000-0x000001AA1A320000-memory.dmp

            memory/1876-108-0x000001AA1A480000-0x000001AA1A490000-memory.dmp

            memory/1876-76-0x000001AA1A3F0000-0x000001AA1A400000-memory.dmp

            memory/1876-75-0x000001AA1A3E0000-0x000001AA1A3F0000-memory.dmp

            memory/1876-74-0x000001AA1A300000-0x000001AA1A310000-memory.dmp

            memory/1876-87-0x000001AA1A350000-0x000001AA1A360000-memory.dmp

            memory/1876-88-0x000001AA1A430000-0x000001AA1A440000-memory.dmp

            memory/1876-85-0x000001AA1A320000-0x000001AA1A330000-memory.dmp

            memory/1876-86-0x000001AA1A340000-0x000001AA1A350000-memory.dmp

            memory/1876-90-0x000001AA18830000-0x000001AA18831000-memory.dmp

            memory/1876-92-0x000001AA1A440000-0x000001AA1A450000-memory.dmp

            memory/1876-91-0x000001AA1A330000-0x000001AA1A340000-memory.dmp

            memory/1876-96-0x000001AA1A360000-0x000001AA1A370000-memory.dmp

            memory/1876-109-0x000001AA1A490000-0x000001AA1A4A0000-memory.dmp

            memory/1876-102-0x000001AA1A460000-0x000001AA1A470000-memory.dmp

            memory/1876-103-0x000001AA1A470000-0x000001AA1A480000-memory.dmp

            memory/1876-117-0x000001AA1A3B0000-0x000001AA1A3C0000-memory.dmp

            memory/1876-116-0x000001AA1A3A0000-0x000001AA1A3B0000-memory.dmp

            memory/1876-22-0x000001AA1A2C0000-0x000001AA1A2D0000-memory.dmp

            memory/1876-114-0x000001AA1A4B0000-0x000001AA1A4C0000-memory.dmp

            memory/1876-119-0x000001AA18830000-0x000001AA18831000-memory.dmp

            memory/1876-113-0x000001AA1A390000-0x000001AA1A3A0000-memory.dmp

            memory/1876-111-0x000001AA1A4A0000-0x000001AA1A4B0000-memory.dmp

            memory/1876-97-0x000001AA1A450000-0x000001AA1A460000-memory.dmp

            memory/1876-26-0x000001AA1A2E0000-0x000001AA1A2F0000-memory.dmp

            memory/1876-27-0x000001AA1A2F0000-0x000001AA1A300000-memory.dmp

            memory/1876-101-0x000001AA1A370000-0x000001AA1A380000-memory.dmp

            memory/1876-125-0x000001AA1A4D0000-0x000001AA1A4E0000-memory.dmp

            memory/1876-124-0x000001AA1A3D0000-0x000001AA1A3E0000-memory.dmp

            memory/1876-126-0x000001AA18830000-0x000001AA18831000-memory.dmp

            memory/1876-123-0x000001AA1A3C0000-0x000001AA1A3D0000-memory.dmp

            memory/1876-129-0x000001AA1A3F0000-0x000001AA1A400000-memory.dmp

            memory/1876-132-0x000001AA1A4E0000-0x000001AA1A4F0000-memory.dmp

            memory/1876-131-0x000001AA1A410000-0x000001AA1A420000-memory.dmp

            memory/1876-130-0x000001AA1A400000-0x000001AA1A410000-memory.dmp

            memory/1876-128-0x000001AA1A3E0000-0x000001AA1A3F0000-memory.dmp

            memory/1876-135-0x000001AA1A4F0000-0x000001AA1A500000-memory.dmp

            memory/1876-134-0x000001AA1A420000-0x000001AA1A430000-memory.dmp

            memory/1876-138-0x000001AA1A500000-0x000001AA1A510000-memory.dmp

            memory/1876-137-0x000001AA1A430000-0x000001AA1A440000-memory.dmp

            memory/1876-141-0x000001AA1A510000-0x000001AA1A520000-memory.dmp

            memory/1876-140-0x000001AA1A440000-0x000001AA1A450000-memory.dmp

            memory/1876-145-0x000001AA1A520000-0x000001AA1A530000-memory.dmp

            memory/1876-144-0x000001AA1A450000-0x000001AA1A460000-memory.dmp

            memory/1876-146-0x000001AA1A460000-0x000001AA1A470000-memory.dmp

            memory/1876-147-0x000001AA1A470000-0x000001AA1A480000-memory.dmp

            memory/1876-148-0x000001AA1A4A0000-0x000001AA1A4B0000-memory.dmp

            memory/1876-149-0x000001AA1A530000-0x000001AA1A540000-memory.dmp

            memory/1876-151-0x000001AA18830000-0x000001AA18831000-memory.dmp

            memory/1876-155-0x000001AA1A480000-0x000001AA1A490000-memory.dmp

            memory/1876-156-0x000001AA1A490000-0x000001AA1A4A0000-memory.dmp

            memory/1876-157-0x000001AA1A540000-0x000001AA1A550000-memory.dmp

            memory/1876-160-0x000001AA1A550000-0x000001AA1A560000-memory.dmp

            memory/1876-159-0x000001AA1A4B0000-0x000001AA1A4C0000-memory.dmp

            memory/1876-164-0x000001AA1A4C0000-0x000001AA1A4D0000-memory.dmp

            memory/1876-165-0x000001AA1A560000-0x000001AA1A570000-memory.dmp

            memory/1876-168-0x000001AA18830000-0x000001AA18831000-memory.dmp

            memory/1876-170-0x000001AA1A4D0000-0x000001AA1A4E0000-memory.dmp

            memory/1876-171-0x000001AA1A570000-0x000001AA1A580000-memory.dmp

            memory/1876-175-0x000001AA18830000-0x000001AA18831000-memory.dmp

            memory/1876-177-0x000001AA1A4E0000-0x000001AA1A4F0000-memory.dmp

            memory/1876-180-0x000001AA1A4F0000-0x000001AA1A500000-memory.dmp

            memory/1876-181-0x000001AA1A580000-0x000001AA1A590000-memory.dmp

            memory/1876-182-0x000001AA18830000-0x000001AA18831000-memory.dmp

            memory/1876-187-0x000001AA1A2B0000-0x000001AA1A2C0000-memory.dmp

            memory/1876-186-0x000001AA1A2A0000-0x000001AA1A2B0000-memory.dmp

            memory/1876-23-0x000001AA1A2D0000-0x000001AA1A2E0000-memory.dmp

            memory/1876-15-0x000001AA1A280000-0x000001AA1A290000-memory.dmp

            memory/1876-16-0x000001AA1A290000-0x000001AA1A2A0000-memory.dmp

            memory/1876-19-0x000001AA1A2B0000-0x000001AA1A2C0000-memory.dmp

            memory/1876-185-0x000001AA1A290000-0x000001AA1A2A0000-memory.dmp

            memory/1876-184-0x000001AA1A280000-0x000001AA1A290000-memory.dmp

            memory/1876-183-0x000001AA1A2D0000-0x000001AA1A2E0000-memory.dmp

            memory/1876-2-0x000001AA1A010000-0x000001AA1A280000-memory.dmp

            memory/1876-17-0x000001AA1A2A0000-0x000001AA1A2B0000-memory.dmp

            memory/3488-362-0x000002DB52340000-0x000002DB52341000-memory.dmp

            memory/3488-381-0x000002DB52340000-0x000002DB52341000-memory.dmp