Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-05-2023 20:08

General

  • Target

    Quotation-List-Copy.jar

  • Size

    70KB

  • MD5

    1770e031366e2d91415fa1a1d902814a

  • SHA1

    ef37063f282a2e6d70c9800b20dc45889c3fa90c

  • SHA256

    bdb39f75a5b8e2cc95b68a96e5bcf4660449dfb1523a8d00dbf9444206acae02

  • SHA512

    c9206823d5fc8bda1d9e8385a90cc0171366f7968c56d8ab6a11c2e5b53f1c0243f3b1148ed0001efcba5e313f6efa43b7af0c74e6b882c613d66ca7fad61a02

  • SSDEEP

    1536:DSpNvzfcN5YRlN1qhlV0EwVW948MrlDzOyJgtMNNp7FFbKL6aw62ZLsY+azgR4Wi:kvzUYh+Zo5lDSSC6f7d64+34zZEskc

Malware Config

Signatures

  • STRRAT

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

  • 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.

  • 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 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:\ProgramData\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\Quotation-List-Copy.jar
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Quotation-List-Copy.jar"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1224
      • C:\Windows\system32\schtasks.exe
        schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Quotation-List-Copy.jar"
        3⤵
        • Creates scheduled task(s)
        PID:1236
    • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
      "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\Quotation-List-Copy.jar"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4212
      • 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:1408
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4160
      • 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:2132
        • 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:4864
      • 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:4960
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
          4⤵
            PID:4152
        • 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:4164
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
            4⤵
              PID:404

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Quotation-List-Copy.jar

        Filesize

        70KB

        MD5

        1770e031366e2d91415fa1a1d902814a

        SHA1

        ef37063f282a2e6d70c9800b20dc45889c3fa90c

        SHA256

        bdb39f75a5b8e2cc95b68a96e5bcf4660449dfb1523a8d00dbf9444206acae02

        SHA512

        c9206823d5fc8bda1d9e8385a90cc0171366f7968c56d8ab6a11c2e5b53f1c0243f3b1148ed0001efcba5e313f6efa43b7af0c74e6b882c613d66ca7fad61a02

      • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

        Filesize

        50B

        MD5

        0ec976b9d218cf122970f6208d23f9a9

        SHA1

        70223873baa447df137c4e9774da82da08f03d51

        SHA256

        8605ae11929a49dd8d0aaf7a017939489923d90843f916c3c8fe32973163606b

        SHA512

        1cd9adf249cf3071af7f16e668cd153990c51b37e42cd6c1fc7109e12ecb0c5d1f634696ee5e88634158aada43a6d01127e275857aff2b673db27e149ad082e0

      • C:\Users\Admin\AppData\Roaming\Quotation-List-Copy.jar

        Filesize

        70KB

        MD5

        1770e031366e2d91415fa1a1d902814a

        SHA1

        ef37063f282a2e6d70c9800b20dc45889c3fa90c

        SHA256

        bdb39f75a5b8e2cc95b68a96e5bcf4660449dfb1523a8d00dbf9444206acae02

        SHA512

        c9206823d5fc8bda1d9e8385a90cc0171366f7968c56d8ab6a11c2e5b53f1c0243f3b1148ed0001efcba5e313f6efa43b7af0c74e6b882c613d66ca7fad61a02

      • memory/1716-143-0x0000000002770000-0x0000000002771000-memory.dmp

        Filesize

        4KB

      • memory/1716-151-0x0000000002770000-0x0000000002771000-memory.dmp

        Filesize

        4KB

      • memory/4212-167-0x0000000000D30000-0x0000000000D31000-memory.dmp

        Filesize

        4KB

      • memory/4212-169-0x0000000000D30000-0x0000000000D31000-memory.dmp

        Filesize

        4KB