Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/06/2024, 08:12

General

  • Target
    0ce4bc04ab2948c0aad1fbd8722443c0001701cb2bfe817758178462e796703d.jar
  • Size 481KB
  • Sample240607-j3valada9x
  • SHA256 0ce4bc04ab2948c0aad1fbd8722443c0001701cb2bfe817758178462e796703d
  • 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\0ce4bc04ab2948c0aad1fbd8722443c0001701cb2bfe817758178462e796703d.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:224
    • 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:1424
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\0ce4bc04ab2948c0aad1fbd8722443c0001701cb2bfe817758178462e796703d.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2284
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0ce4bc04ab2948c0aad1fbd8722443c0001701cb2bfe817758178462e796703d.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2900
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0ce4bc04ab2948c0aad1fbd8722443c0001701cb2bfe817758178462e796703d.jar"
          4⤵
          • Creates scheduled task(s)
          PID:4328
      • 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\0ce4bc04ab2948c0aad1fbd8722443c0001701cb2bfe817758178462e796703d.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3564
        • 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:2372
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4076
        • 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:412
          • 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:540
        • 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:4064
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:244
          • 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:3892
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:4512

      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 7a37d2ea245c3da0cd074e3f40d4ffd8e76b8da99c371b1d47a2edbbbb99a69d
            • MD5 SHA1 SHA512

            0ce4bc04ab2948c0aad1fbd8722443c0001701cb2bfe817758178462e796703d.jar

            • Path C:\Users\Admin\0ce4bc04ab2948c0aad1fbd8722443c0001701cb2bfe817758178462e796703d.jar
            • Size 481KB
            • SHA256 0ce4bc04ab2948c0aad1fbd8722443c0001701cb2bfe817758178462e796703d
            • MD5 SHA1 SHA512 SSDEEP

            jna2154450100041827526.dll

            • Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna2154450100041827526.dll
            • Size 241KB
            • SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
            • MD5 SHA1 SHA512 SSDEEP

            83aa4cc77f591dfc2374580bbd95f6ba_5a32ead2-14a8-4b34-b6a3-85cfb28e2fbd

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2804150937-2146708401-419095071-1000\83aa4cc77f591dfc2374580bbd95f6ba_5a32ead2-14a8-4b34-b6a3-85cfb28e2fbd
            • 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/224-105-0x000001A413900000-0x000001A413910000-memory.dmp

            memory/224-181-0x000001A4134A0000-0x000001A413710000-memory.dmp

            memory/224-23-0x000001A413750000-0x000001A413760000-memory.dmp

            memory/224-17-0x000001A413720000-0x000001A413730000-memory.dmp

            memory/224-27-0x000001A413780000-0x000001A413790000-memory.dmp

            memory/224-31-0x000001A4137A0000-0x000001A4137B0000-memory.dmp

            memory/224-30-0x000001A413790000-0x000001A4137A0000-memory.dmp

            memory/224-38-0x000001A4137D0000-0x000001A4137E0000-memory.dmp

            memory/224-37-0x000001A4137C0000-0x000001A4137D0000-memory.dmp

            memory/224-36-0x000001A4137B0000-0x000001A4137C0000-memory.dmp

            memory/224-45-0x000001A413810000-0x000001A413820000-memory.dmp

            memory/224-43-0x000001A4137F0000-0x000001A413800000-memory.dmp

            memory/224-42-0x000001A4137E0000-0x000001A4137F0000-memory.dmp

            memory/224-47-0x000001A413480000-0x000001A413481000-memory.dmp

            memory/224-44-0x000001A413800000-0x000001A413810000-memory.dmp

            memory/224-48-0x000001A413820000-0x000001A413830000-memory.dmp

            memory/224-54-0x000001A413830000-0x000001A413840000-memory.dmp

            memory/224-57-0x000001A4134A0000-0x000001A413710000-memory.dmp

            memory/224-59-0x000001A413850000-0x000001A413860000-memory.dmp

            memory/224-58-0x000001A413840000-0x000001A413850000-memory.dmp

            memory/224-61-0x000001A413710000-0x000001A413720000-memory.dmp

            memory/224-62-0x000001A413860000-0x000001A413870000-memory.dmp

            memory/224-67-0x000001A413740000-0x000001A413750000-memory.dmp

            memory/224-73-0x000001A413880000-0x000001A413890000-memory.dmp

            memory/224-72-0x000001A413770000-0x000001A413780000-memory.dmp

            memory/224-71-0x000001A413760000-0x000001A413770000-memory.dmp

            memory/224-70-0x000001A413750000-0x000001A413760000-memory.dmp

            memory/224-68-0x000001A413870000-0x000001A413880000-memory.dmp

            memory/224-66-0x000001A413730000-0x000001A413740000-memory.dmp

            memory/224-65-0x000001A413720000-0x000001A413730000-memory.dmp

            memory/224-74-0x000001A413780000-0x000001A413790000-memory.dmp

            memory/224-76-0x000001A413890000-0x000001A4138A0000-memory.dmp

            memory/224-75-0x000001A413790000-0x000001A4137A0000-memory.dmp

            memory/224-81-0x000001A4138A0000-0x000001A4138B0000-memory.dmp

            memory/224-80-0x000001A4137A0000-0x000001A4137B0000-memory.dmp

            memory/224-84-0x000001A4137C0000-0x000001A4137D0000-memory.dmp

            memory/224-86-0x000001A4138B0000-0x000001A4138C0000-memory.dmp

            memory/224-85-0x000001A4137D0000-0x000001A4137E0000-memory.dmp

            memory/224-83-0x000001A4137B0000-0x000001A4137C0000-memory.dmp

            memory/224-88-0x000001A413480000-0x000001A413481000-memory.dmp

            memory/224-89-0x000001A4137E0000-0x000001A4137F0000-memory.dmp

            memory/224-108-0x000001A413840000-0x000001A413850000-memory.dmp

            memory/224-92-0x000001A413810000-0x000001A413820000-memory.dmp

            memory/224-91-0x000001A413800000-0x000001A413810000-memory.dmp

            memory/224-90-0x000001A4137F0000-0x000001A413800000-memory.dmp

            memory/224-96-0x000001A4138D0000-0x000001A4138E0000-memory.dmp

            memory/224-95-0x000001A413820000-0x000001A413830000-memory.dmp

            memory/224-25-0x000001A413770000-0x000001A413780000-memory.dmp

            memory/224-104-0x000001A4138F0000-0x000001A413900000-memory.dmp

            memory/224-103-0x000001A4138E0000-0x000001A4138F0000-memory.dmp

            memory/224-102-0x000001A413830000-0x000001A413840000-memory.dmp

            memory/224-111-0x000001A413920000-0x000001A413930000-memory.dmp

            memory/224-24-0x000001A413760000-0x000001A413770000-memory.dmp

            memory/224-110-0x000001A413910000-0x000001A413920000-memory.dmp

            memory/224-93-0x000001A4138C0000-0x000001A4138D0000-memory.dmp

            memory/224-118-0x000001A413950000-0x000001A413960000-memory.dmp

            memory/224-117-0x000001A413940000-0x000001A413950000-memory.dmp

            memory/224-115-0x000001A413860000-0x000001A413870000-memory.dmp

            memory/224-116-0x000001A413930000-0x000001A413940000-memory.dmp

            memory/224-121-0x000001A413480000-0x000001A413481000-memory.dmp

            memory/224-126-0x000001A413960000-0x000001A413970000-memory.dmp

            memory/224-125-0x000001A413870000-0x000001A413880000-memory.dmp

            memory/224-127-0x000001A413480000-0x000001A413481000-memory.dmp

            memory/224-129-0x000001A413880000-0x000001A413890000-memory.dmp

            memory/224-130-0x000001A413970000-0x000001A413980000-memory.dmp

            memory/224-133-0x000001A413980000-0x000001A413990000-memory.dmp

            memory/224-132-0x000001A413890000-0x000001A4138A0000-memory.dmp

            memory/224-136-0x000001A413990000-0x000001A4139A0000-memory.dmp

            memory/224-135-0x000001A4138A0000-0x000001A4138B0000-memory.dmp

            memory/224-139-0x000001A4139A0000-0x000001A4139B0000-memory.dmp

            memory/224-138-0x000001A4138B0000-0x000001A4138C0000-memory.dmp

            memory/224-141-0x000001A4138C0000-0x000001A4138D0000-memory.dmp

            memory/224-142-0x000001A4139B0000-0x000001A4139C0000-memory.dmp

            memory/224-145-0x000001A4139C0000-0x000001A4139D0000-memory.dmp

            memory/224-144-0x000001A4138D0000-0x000001A4138E0000-memory.dmp

            memory/224-146-0x000001A413480000-0x000001A413481000-memory.dmp

            memory/224-157-0x000001A4139E0000-0x000001A4139F0000-memory.dmp

            memory/224-156-0x000001A4139D0000-0x000001A4139E0000-memory.dmp

            memory/224-155-0x000001A413900000-0x000001A413910000-memory.dmp

            memory/224-154-0x000001A4138F0000-0x000001A413900000-memory.dmp

            memory/224-153-0x000001A4138E0000-0x000001A4138F0000-memory.dmp

            memory/224-159-0x000001A413910000-0x000001A413920000-memory.dmp

            memory/224-161-0x000001A4139F0000-0x000001A413A00000-memory.dmp

            memory/224-160-0x000001A413920000-0x000001A413930000-memory.dmp

            memory/224-168-0x000001A413A00000-0x000001A413A10000-memory.dmp

            memory/224-167-0x000001A413950000-0x000001A413960000-memory.dmp

            memory/224-166-0x000001A413940000-0x000001A413950000-memory.dmp

            memory/224-165-0x000001A413930000-0x000001A413940000-memory.dmp

            memory/224-173-0x000001A413480000-0x000001A413481000-memory.dmp

            memory/224-175-0x000001A413960000-0x000001A413970000-memory.dmp

            memory/224-178-0x000001A413970000-0x000001A413980000-memory.dmp

            memory/224-179-0x000001A413A10000-0x000001A413A20000-memory.dmp

            memory/224-180-0x000001A413480000-0x000001A413481000-memory.dmp

            memory/224-109-0x000001A413850000-0x000001A413860000-memory.dmp

            memory/224-186-0x000001A413750000-0x000001A413760000-memory.dmp

            memory/224-185-0x000001A413740000-0x000001A413750000-memory.dmp

            memory/224-18-0x000001A413730000-0x000001A413740000-memory.dmp

            memory/224-184-0x000001A413730000-0x000001A413740000-memory.dmp

            memory/224-183-0x000001A413720000-0x000001A413730000-memory.dmp

            memory/224-182-0x000001A413710000-0x000001A413720000-memory.dmp

            memory/224-2-0x000001A4134A0000-0x000001A413710000-memory.dmp

            memory/224-19-0x000001A413740000-0x000001A413750000-memory.dmp

            memory/224-14-0x000001A413710000-0x000001A413720000-memory.dmp

            memory/2284-294-0x000002A579E30000-0x000002A579E31000-memory.dmp

            memory/3564-365-0x000002A17F450000-0x000002A17F451000-memory.dmp