Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 03:14

General

  • Target

    Shipping Bill6239999 dated 13122024.PDF.jar

  • Size

    196KB

  • MD5

    01fd77362fbe5b158352d203bf4e264d

  • SHA1

    b707961bf70f6798103b0f9dcf516ca3fb63a52f

  • SHA256

    9dbfb2b2c624a39591fd60397997ae7d9c09896862b5d97c5db3c7dd6c6d902b

  • SHA512

    c64d87211760ece2e76ed4bd9255d2f728159ced3a03bdfac28fa17d9b0f452d73e0ef62521ec354a44657028acea8e620620c1a4d3c0c4a91612d5c347288d7

  • SSDEEP

    3072:lROA9tlCGC9tKioY4Ql1wVa3CZGfteVTIglU5N0cVfG6lLAANinz94ZC6vr5:/9/LC9sGVNSZGfteVTAjJ1qANmx4x

Malware Config

Signatures

  • STRRAT

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

  • Strrat family
  • Drops startup file 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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 22 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\Shipping Bill6239999 dated 13122024.PDF.jar"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • System Network Configuration Discovery: Internet Connection Discovery
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Shipping Bill6239999 dated 13122024.PDF.jar"
      2⤵
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:428
      • C:\Windows\system32\schtasks.exe
        schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Shipping Bill6239999 dated 13122024.PDF.jar"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5008
    • 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\Shipping Bill6239999 dated 13122024.PDF.jar"
      2⤵
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:960
      • C:\Windows\SYSTEM32\cmd.exe
        cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3980
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3268
      • C:\Windows\SYSTEM32\cmd.exe
        cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2704
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4808
      • C:\Windows\SYSTEM32\cmd.exe
        cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5040
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
          4⤵
            PID:4732
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4092
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
            4⤵
              PID:4772

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Shipping Bill6239999 dated 13122024.PDF.jar

        Filesize

        196KB

        MD5

        01fd77362fbe5b158352d203bf4e264d

        SHA1

        b707961bf70f6798103b0f9dcf516ca3fb63a52f

        SHA256

        9dbfb2b2c624a39591fd60397997ae7d9c09896862b5d97c5db3c7dd6c6d902b

        SHA512

        c64d87211760ece2e76ed4bd9255d2f728159ced3a03bdfac28fa17d9b0f452d73e0ef62521ec354a44657028acea8e620620c1a4d3c0c4a91612d5c347288d7

      • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

        Filesize

        46B

        MD5

        c497e8d0d9cb615c4d8156e49f1544d6

        SHA1

        8e2361f0c32e83db99a6d68a89f61cc984ca8c8e

        SHA256

        e8afa75d2d66bd314faece9c7f99e5e1bbada83b84f97a33dacabc1ef589d670

        SHA512

        cdce5eb1e32698ceb790f8184dc13b4fa6ab5d7bc50c38d8879efe2ed75f567f6b152a0e3f438d47bfedb81dc49f7f8a2a42040617790a42603070ee9f39039c

      • memory/960-76-0x0000025C12F80000-0x0000025C131F0000-memory.dmp

        Filesize

        2.4MB

      • memory/960-82-0x0000025C13210000-0x0000025C13220000-memory.dmp

        Filesize

        64KB

      • memory/960-93-0x0000025C13280000-0x0000025C13290000-memory.dmp

        Filesize

        64KB

      • memory/960-89-0x0000025C13280000-0x0000025C13290000-memory.dmp

        Filesize

        64KB

      • memory/960-88-0x0000025C13270000-0x0000025C13280000-memory.dmp

        Filesize

        64KB

      • memory/960-87-0x0000025C13260000-0x0000025C13270000-memory.dmp

        Filesize

        64KB

      • memory/960-57-0x0000025C131F0000-0x0000025C13200000-memory.dmp

        Filesize

        64KB

      • memory/960-86-0x0000025C13250000-0x0000025C13260000-memory.dmp

        Filesize

        64KB

      • memory/960-58-0x0000025C13200000-0x0000025C13210000-memory.dmp

        Filesize

        64KB

      • memory/960-84-0x0000025C13230000-0x0000025C13240000-memory.dmp

        Filesize

        64KB

      • memory/960-83-0x0000025C13220000-0x0000025C13230000-memory.dmp

        Filesize

        64KB

      • memory/960-69-0x0000025C13250000-0x0000025C13260000-memory.dmp

        Filesize

        64KB

      • memory/960-80-0x0000025C13200000-0x0000025C13210000-memory.dmp

        Filesize

        64KB

      • memory/960-78-0x0000025C131F0000-0x0000025C13200000-memory.dmp

        Filesize

        64KB

      • memory/960-75-0x0000025C12F60000-0x0000025C12F61000-memory.dmp

        Filesize

        4KB

      • memory/960-73-0x0000025C13270000-0x0000025C13280000-memory.dmp

        Filesize

        64KB

      • memory/960-45-0x0000025C12F80000-0x0000025C131F0000-memory.dmp

        Filesize

        2.4MB

      • memory/960-60-0x0000025C13210000-0x0000025C13220000-memory.dmp

        Filesize

        64KB

      • memory/960-71-0x0000025C13260000-0x0000025C13270000-memory.dmp

        Filesize

        64KB

      • memory/960-85-0x0000025C13240000-0x0000025C13250000-memory.dmp

        Filesize

        64KB

      • memory/960-68-0x0000025C13240000-0x0000025C13250000-memory.dmp

        Filesize

        64KB

      • memory/960-64-0x0000025C13230000-0x0000025C13240000-memory.dmp

        Filesize

        64KB

      • memory/960-63-0x0000025C13220000-0x0000025C13230000-memory.dmp

        Filesize

        64KB

      • memory/2324-40-0x000001AC49620000-0x000001AC49630000-memory.dmp

        Filesize

        64KB

      • memory/2324-12-0x000001AC495D0000-0x000001AC495E0000-memory.dmp

        Filesize

        64KB

      • memory/2324-14-0x000001AC495E0000-0x000001AC495F0000-memory.dmp

        Filesize

        64KB

      • memory/2324-35-0x000001AC495D0000-0x000001AC495E0000-memory.dmp

        Filesize

        64KB

      • memory/2324-36-0x000001AC495E0000-0x000001AC495F0000-memory.dmp

        Filesize

        64KB

      • memory/2324-2-0x000001AC49360000-0x000001AC495D0000-memory.dmp

        Filesize

        2.4MB

      • memory/2324-37-0x000001AC495F0000-0x000001AC49600000-memory.dmp

        Filesize

        64KB

      • memory/2324-38-0x000001AC49600000-0x000001AC49610000-memory.dmp

        Filesize

        64KB

      • memory/2324-39-0x000001AC49610000-0x000001AC49620000-memory.dmp

        Filesize

        64KB

      • memory/2324-16-0x000001AC495F0000-0x000001AC49600000-memory.dmp

        Filesize

        64KB

      • memory/2324-41-0x000001AC49630000-0x000001AC49640000-memory.dmp

        Filesize

        64KB

      • memory/2324-34-0x000001AC49360000-0x000001AC495D0000-memory.dmp

        Filesize

        2.4MB

      • memory/2324-31-0x000001AC47B10000-0x000001AC47B11000-memory.dmp

        Filesize

        4KB

      • memory/2324-24-0x000001AC49630000-0x000001AC49640000-memory.dmp

        Filesize

        64KB

      • memory/2324-23-0x000001AC49620000-0x000001AC49630000-memory.dmp

        Filesize

        64KB

      • memory/2324-19-0x000001AC49600000-0x000001AC49610000-memory.dmp

        Filesize

        64KB

      • memory/2324-20-0x000001AC49610000-0x000001AC49620000-memory.dmp

        Filesize

        64KB