Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2024, 09:48

General

  • Target
    4719369301021c7fafd27809940a39e2_JaffaCakes118.jar
  • Size 107KB
  • Sample241015-lsxdba1gpr
  • SHA256 0a4662f9f759781f50cecb082c783d73cf78b388ee0904fd11286417879286e2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • strrat

C2
  • agadinwanyi.dubya.net:1788

  • agadinwanyi.dubya.net:1781

Attributes
  • license_id

    khonsari

  • plugins_url

    http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5

  • scheduled_task

    true

  • secondary_startup

    true

  • startup

    true

Signatures

  • STRRAT

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

  • 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.

  • Drops file in Program Files directory 1 IoCs
  • 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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\4719369301021c7fafd27809940a39e2_JaffaCakes118.jar
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Program Files\Java\jre-1.8\4719369301021c7fafd27809940a39e2_JaffaCakes118.jar"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4928
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\4719369301021c7fafd27809940a39e2_JaffaCakes118.jar"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3048
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\4719369301021c7fafd27809940a39e2_JaffaCakes118.jar"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:608
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\4719369301021c7fafd27809940a39e2_JaffaCakes118.jar"
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1088
        • 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\4719369301021c7fafd27809940a39e2_JaffaCakes118.jar"
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:4956
          • 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:1840
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3860
          • 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:884
            • 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:2628
          • 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:3644
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:3108
            • 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:2512
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                6⤵
                  PID:4436

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            4719369301021c7fafd27809940a39e2_JaffaCakes118.jar

            • Path C:\Program Files\Java\jre-1.8\4719369301021c7fafd27809940a39e2_JaffaCakes118.jar
            • Size 107KB
            • SHA256 0a4662f9f759781f50cecb082c783d73cf78b388ee0904fd11286417879286e2
            • MD5 SHA1 SHA512 SSDEEP

            jna4502305501864497791.dll

            • Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna4502305501864497791.dll
            • Size 241KB
            • SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
            • MD5 SHA1 SHA512 SSDEEP

            83aa4cc77f591dfc2374580bbd95f6ba_dd2803c7-d377-4f06-bdfe-aea230fc7b0e

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3350944739-639801879-157714471-1000\83aa4cc77f591dfc2374580bbd95f6ba_dd2803c7-d377-4f06-bdfe-aea230fc7b0e
            • 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/3048-245-0x00000286D15B0000-0x00000286D15B1000-memory.dmp

            memory/4760-106-0x0000029AD2FB0000-0x0000029AD2FC0000-memory.dmp

            memory/4760-157-0x0000029AD2EF0000-0x0000029AD2F00000-memory.dmp

            memory/4760-22-0x0000029AD2F00000-0x0000029AD2F10000-memory.dmp

            memory/4760-25-0x0000029AD2F10000-0x0000029AD2F20000-memory.dmp

            memory/4760-26-0x0000029AD2F20000-0x0000029AD2F30000-memory.dmp

            memory/4760-28-0x0000029AD1400000-0x0000029AD1401000-memory.dmp

            memory/4760-33-0x0000029AD2F30000-0x0000029AD2F40000-memory.dmp

            memory/4760-40-0x0000029AD2EB0000-0x0000029AD2EC0000-memory.dmp

            memory/4760-42-0x0000029AD2F60000-0x0000029AD2F70000-memory.dmp

            memory/4760-41-0x0000029AD2EC0000-0x0000029AD2ED0000-memory.dmp

            memory/4760-39-0x0000029AD2F50000-0x0000029AD2F60000-memory.dmp

            memory/4760-38-0x0000029AD2F40000-0x0000029AD2F50000-memory.dmp

            memory/4760-36-0x0000029AD2C40000-0x0000029AD2EB0000-memory.dmp

            memory/4760-44-0x0000029AD2ED0000-0x0000029AD2EE0000-memory.dmp

            memory/4760-46-0x0000029AD2F70000-0x0000029AD2F80000-memory.dmp

            memory/4760-47-0x0000029AD2EE0000-0x0000029AD2EF0000-memory.dmp

            memory/4760-49-0x0000029AD2F80000-0x0000029AD2F90000-memory.dmp

            memory/4760-55-0x0000029AD2F00000-0x0000029AD2F10000-memory.dmp

            memory/4760-59-0x0000029AD2FB0000-0x0000029AD2FC0000-memory.dmp

            memory/4760-58-0x0000029AD2F10000-0x0000029AD2F20000-memory.dmp

            memory/4760-54-0x0000029AD2FA0000-0x0000029AD2FB0000-memory.dmp

            memory/4760-53-0x0000029AD2F90000-0x0000029AD2FA0000-memory.dmp

            memory/4760-52-0x0000029AD2EF0000-0x0000029AD2F00000-memory.dmp

            memory/4760-61-0x0000029AD2F20000-0x0000029AD2F30000-memory.dmp

            memory/4760-62-0x0000029AD2FC0000-0x0000029AD2FD0000-memory.dmp

            memory/4760-65-0x0000029AD2FD0000-0x0000029AD2FE0000-memory.dmp

            memory/4760-64-0x0000029AD2F30000-0x0000029AD2F40000-memory.dmp

            memory/4760-66-0x0000029AD1400000-0x0000029AD1401000-memory.dmp

            memory/4760-68-0x0000029AD2F40000-0x0000029AD2F50000-memory.dmp

            memory/4760-69-0x0000029AD2FE0000-0x0000029AD2FF0000-memory.dmp

            memory/4760-81-0x0000029AD2F70000-0x0000029AD2F80000-memory.dmp

            memory/4760-79-0x0000029AD2F60000-0x0000029AD2F70000-memory.dmp

            memory/4760-80-0x0000029AD3010000-0x0000029AD3020000-memory.dmp

            memory/4760-92-0x0000029AD2F80000-0x0000029AD2F90000-memory.dmp

            memory/4760-91-0x0000029AD3060000-0x0000029AD3070000-memory.dmp

            memory/4760-90-0x0000029AD3050000-0x0000029AD3060000-memory.dmp

            memory/4760-89-0x0000029AD3040000-0x0000029AD3050000-memory.dmp

            memory/4760-88-0x0000029AD3030000-0x0000029AD3040000-memory.dmp

            memory/4760-87-0x0000029AD3020000-0x0000029AD3030000-memory.dmp

            memory/4760-86-0x0000029AD1400000-0x0000029AD1401000-memory.dmp

            memory/4760-78-0x0000029AD3000000-0x0000029AD3010000-memory.dmp

            memory/4760-77-0x0000029AD2FF0000-0x0000029AD3000000-memory.dmp

            memory/4760-75-0x0000029AD2F50000-0x0000029AD2F60000-memory.dmp

            memory/4760-99-0x0000029AD2F90000-0x0000029AD2FA0000-memory.dmp

            memory/4760-101-0x0000029AD3070000-0x0000029AD3080000-memory.dmp

            memory/4760-100-0x0000029AD2FA0000-0x0000029AD2FB0000-memory.dmp

            memory/4760-98-0x0000029AD1400000-0x0000029AD1401000-memory.dmp

            memory/4760-103-0x0000029AD3080000-0x0000029AD3090000-memory.dmp

            memory/4760-104-0x0000029AD1400000-0x0000029AD1401000-memory.dmp

            memory/4760-19-0x0000029AD2EE0000-0x0000029AD2EF0000-memory.dmp

            memory/4760-107-0x0000029AD3090000-0x0000029AD30A0000-memory.dmp

            memory/4760-110-0x0000029AD30A0000-0x0000029AD30B0000-memory.dmp

            memory/4760-20-0x0000029AD2EF0000-0x0000029AD2F00000-memory.dmp

            memory/4760-109-0x0000029AD2FC0000-0x0000029AD2FD0000-memory.dmp

            memory/4760-120-0x0000029AD3000000-0x0000029AD3010000-memory.dmp

            memory/4760-116-0x0000029AD30C0000-0x0000029AD30D0000-memory.dmp

            memory/4760-115-0x0000029AD2FE0000-0x0000029AD2FF0000-memory.dmp

            memory/4760-119-0x0000029AD2FF0000-0x0000029AD3000000-memory.dmp

            memory/4760-121-0x0000029AD30D0000-0x0000029AD30E0000-memory.dmp

            memory/4760-112-0x0000029AD2FD0000-0x0000029AD2FE0000-memory.dmp

            memory/4760-123-0x0000029AD3010000-0x0000029AD3020000-memory.dmp

            memory/4760-124-0x0000029AD30E0000-0x0000029AD30F0000-memory.dmp

            memory/4760-126-0x0000029AD1400000-0x0000029AD1401000-memory.dmp

            memory/4760-132-0x0000029AD3020000-0x0000029AD3030000-memory.dmp

            memory/4760-133-0x0000029AD3030000-0x0000029AD3040000-memory.dmp

            memory/4760-134-0x0000029AD3040000-0x0000029AD3050000-memory.dmp

            memory/4760-135-0x0000029AD3050000-0x0000029AD3060000-memory.dmp

            memory/4760-137-0x0000029AD30F0000-0x0000029AD3100000-memory.dmp

            memory/4760-136-0x0000029AD3060000-0x0000029AD3070000-memory.dmp

            memory/4760-142-0x0000029AD1400000-0x0000029AD1401000-memory.dmp

            memory/4760-144-0x0000029AD3070000-0x0000029AD3080000-memory.dmp

            memory/4760-145-0x0000029AD3080000-0x0000029AD3090000-memory.dmp

            memory/4760-150-0x0000029AD3100000-0x0000029AD3110000-memory.dmp

            memory/4760-149-0x0000029AD3090000-0x0000029AD30A0000-memory.dmp

            memory/4760-151-0x0000029AD1400000-0x0000029AD1401000-memory.dmp

            memory/4760-153-0x0000029AD2EB0000-0x0000029AD2EC0000-memory.dmp

            memory/4760-152-0x0000029AD2F50000-0x0000029AD2F60000-memory.dmp

            memory/4760-158-0x0000029AD2F00000-0x0000029AD2F10000-memory.dmp

            memory/4760-162-0x0000029AD2F40000-0x0000029AD2F50000-memory.dmp

            memory/4760-176-0x0000029AD30D0000-0x0000029AD30E0000-memory.dmp

            memory/4760-175-0x0000029AD30C0000-0x0000029AD30D0000-memory.dmp

            memory/4760-174-0x0000029AD30B0000-0x0000029AD30C0000-memory.dmp

            memory/4760-173-0x0000029AD30A0000-0x0000029AD30B0000-memory.dmp

            memory/4760-172-0x0000029AD3050000-0x0000029AD3060000-memory.dmp

            memory/4760-171-0x0000029AD3040000-0x0000029AD3050000-memory.dmp

            memory/4760-170-0x0000029AD2F70000-0x0000029AD2F80000-memory.dmp

            memory/4760-169-0x0000029AD2FF0000-0x0000029AD3000000-memory.dmp

            memory/4760-168-0x0000029AD2FB0000-0x0000029AD2FC0000-memory.dmp

            memory/4760-167-0x0000029AD2FA0000-0x0000029AD2FB0000-memory.dmp

            memory/4760-166-0x0000029AD2F90000-0x0000029AD2FA0000-memory.dmp

            memory/4760-165-0x0000029AD2F80000-0x0000029AD2F90000-memory.dmp

            memory/4760-164-0x0000029AD2F60000-0x0000029AD2F70000-memory.dmp

            memory/4760-163-0x0000029AD2C40000-0x0000029AD2EB0000-memory.dmp

            memory/4760-161-0x0000029AD2F30000-0x0000029AD2F40000-memory.dmp

            memory/4760-160-0x0000029AD2F20000-0x0000029AD2F30000-memory.dmp

            memory/4760-159-0x0000029AD2F10000-0x0000029AD2F20000-memory.dmp

            memory/4760-113-0x0000029AD30B0000-0x0000029AD30C0000-memory.dmp

            memory/4760-156-0x0000029AD2EE0000-0x0000029AD2EF0000-memory.dmp

            memory/4760-155-0x0000029AD2ED0000-0x0000029AD2EE0000-memory.dmp

            memory/4760-16-0x0000029AD2ED0000-0x0000029AD2EE0000-memory.dmp

            memory/4760-14-0x0000029AD2EC0000-0x0000029AD2ED0000-memory.dmp

            memory/4760-12-0x0000029AD2EB0000-0x0000029AD2EC0000-memory.dmp

            memory/4760-2-0x0000029AD2C40000-0x0000029AD2EB0000-memory.dmp

            memory/4760-154-0x0000029AD2EC0000-0x0000029AD2ED0000-memory.dmp

            memory/4928-208-0x000001BE88510000-0x000001BE88511000-memory.dmp

            memory/4928-210-0x000001BE88510000-0x000001BE88511000-memory.dmp

            memory/4956-295-0x000001BA8D2F0000-0x000001BA8D2F1000-memory.dmp