Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    13/12/2021, 15:18

General

  • Target

    SHIPMENT_DOCUMENTS_INV-PLIST_BL PDF.jar

  • Size

    95KB

  • MD5

    b1467334c88785074a65f4a908a98852

  • SHA1

    f03287324b6a6d87458802faf8626a8b37f7ea76

  • SHA256

    1ad5d9e88b0356a59d02aa52ddbb663719b46085e3075e7f171c609083a09db0

  • SHA512

    9edcb83f6dd786cc5680d82feead098b77da16096d63fe59c21ca3f280e67037c15ef380624f29f6ce46497a1c8d1a3931e28c2d430d2ae7f92856ed3a53229e

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 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.

  • 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 36 IoCs

Processes

  • C:\Windows\system32\java.exe
    java -jar "C:\Users\Admin\AppData\Local\Temp\SHIPMENT_DOCUMENTS_INV-PLIST_BL PDF.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Program Files\Java\jre7\bin\java.exe
      "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\SHIPMENT_DOCUMENTS_INV-PLIST_BL PDF.jar"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Windows\system32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\SHIPMENT_DOCUMENTS_INV-PLIST_BL PDF.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1196
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\SHIPMENT_DOCUMENTS_INV-PLIST_BL PDF.jar"
          4⤵
          • Creates scheduled task(s)
          PID:1700
      • C:\Program Files\Java\jre7\bin\java.exe
        "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\SHIPMENT_DOCUMENTS_INV-PLIST_BL PDF.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1460
        • 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:1576
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:984
        • 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:1484
          • 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:584
        • 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:660
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:1136
          • C:\Windows\system32\cmd.exe
            cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1552
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list
              5⤵
                PID:892

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • memory/1460-106-0x00000000001B0000-0x00000000001B1000-memory.dmp

              Filesize

              4KB

            • memory/1460-137-0x00000000001B0000-0x00000000001B1000-memory.dmp

              Filesize

              4KB

            • memory/1460-136-0x00000000001B0000-0x00000000001B1000-memory.dmp

              Filesize

              4KB

            • memory/1460-99-0x00000000022F0000-0x0000000002560000-memory.dmp

              Filesize

              2.4MB

            • memory/1460-98-0x00000000001B0000-0x00000000001B1000-memory.dmp

              Filesize

              4KB

            • memory/1460-127-0x00000000001B0000-0x00000000001B1000-memory.dmp

              Filesize

              4KB

            • memory/1692-55-0x000007FEFBAE1000-0x000007FEFBAE3000-memory.dmp

              Filesize

              8KB

            • memory/1692-57-0x0000000002240000-0x00000000024B0000-memory.dmp

              Filesize

              2.4MB

            • memory/1692-64-0x0000000000220000-0x0000000000221000-memory.dmp

              Filesize

              4KB

            • memory/1692-66-0x0000000000220000-0x0000000000221000-memory.dmp

              Filesize

              4KB

            • memory/1692-65-0x0000000000220000-0x0000000000221000-memory.dmp

              Filesize

              4KB

            • memory/1692-56-0x0000000002240000-0x00000000024B0000-memory.dmp

              Filesize

              2.4MB

            • memory/1692-63-0x0000000000220000-0x0000000000221000-memory.dmp

              Filesize

              4KB

            • memory/1692-62-0x0000000000220000-0x0000000000221000-memory.dmp

              Filesize

              4KB

            • memory/1692-59-0x0000000000220000-0x0000000000221000-memory.dmp

              Filesize

              4KB

            • memory/1692-58-0x0000000000220000-0x0000000000221000-memory.dmp

              Filesize

              4KB

            • memory/1968-96-0x0000000000320000-0x0000000000321000-memory.dmp

              Filesize

              4KB

            • memory/1968-90-0x0000000000320000-0x0000000000321000-memory.dmp

              Filesize

              4KB

            • memory/1968-77-0x0000000002250000-0x00000000024C0000-memory.dmp

              Filesize

              2.4MB

            • memory/1968-76-0x0000000000320000-0x0000000000321000-memory.dmp

              Filesize

              4KB