Analysis

  • max time kernel
    600s
  • max time network
    601s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/10/2022, 05:53

General

  • Target

    916c68203f329eaf00e0dbf5a7571107708ce037935b5f51d7eed41ad581cdfd.exe

  • Size

    223KB

  • MD5

    9831b1092d9acaeb30351e1db30e8521

  • SHA1

    3b25a4553abced0c237198335fd967f92ad86756

  • SHA256

    916c68203f329eaf00e0dbf5a7571107708ce037935b5f51d7eed41ad581cdfd

  • SHA512

    6a764462d4199306510fc8913e6ff9bb4f6f2db74a2a013abc407afd1fc1aefb4843ad2713227b5a9ec1aa74938e7286f817c8e021166c16ae35933e0d1faf8a

  • SSDEEP

    6144:LUC2BeojrZsUYpsuxyRd/1qgcKvvTgfBso:XweojrZsUYpsuxQ/0gRvvTgf

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer Protected Mode 1 TTPs 1 IoCs
  • Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\916c68203f329eaf00e0dbf5a7571107708ce037935b5f51d7eed41ad581cdfd.exe
    "C:\Users\Admin\AppData\Local\Temp\916c68203f329eaf00e0dbf5a7571107708ce037935b5f51d7eed41ad581cdfd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Local\Temp\916c68203f329eaf00e0dbf5a7571107708ce037935b5f51d7eed41ad581cdfd.exe
      "C:\Users\Admin\AppData\Local\Temp\916c68203f329eaf00e0dbf5a7571107708ce037935b5f51d7eed41ad581cdfd.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Users\Admin\AppData\Roaming\9100393150474F50\9100393150474F50.exe
        "C:\Users\Admin\AppData\Roaming\9100393150474F50\9100393150474F50.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2032
        • C:\Users\Admin\AppData\Roaming\9100393150474F50\9100393150474F50.exe
          "C:\Users\Admin\AppData\Roaming\9100393150474F50\9100393150474F50.exe"
          4⤵
          • Executes dropped EXE
          • Modifies Internet Explorer Protected Mode
          • Modifies Internet Explorer Protected Mode Banner
          • Modifies Internet Explorer settings
          PID:1380

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\9100393150474F50\9100393150474F50.exe

          Filesize

          223KB

          MD5

          9831b1092d9acaeb30351e1db30e8521

          SHA1

          3b25a4553abced0c237198335fd967f92ad86756

          SHA256

          916c68203f329eaf00e0dbf5a7571107708ce037935b5f51d7eed41ad581cdfd

          SHA512

          6a764462d4199306510fc8913e6ff9bb4f6f2db74a2a013abc407afd1fc1aefb4843ad2713227b5a9ec1aa74938e7286f817c8e021166c16ae35933e0d1faf8a

        • C:\Users\Admin\AppData\Roaming\9100393150474F50\9100393150474F50.exe

          Filesize

          223KB

          MD5

          9831b1092d9acaeb30351e1db30e8521

          SHA1

          3b25a4553abced0c237198335fd967f92ad86756

          SHA256

          916c68203f329eaf00e0dbf5a7571107708ce037935b5f51d7eed41ad581cdfd

          SHA512

          6a764462d4199306510fc8913e6ff9bb4f6f2db74a2a013abc407afd1fc1aefb4843ad2713227b5a9ec1aa74938e7286f817c8e021166c16ae35933e0d1faf8a

        • \Users\Admin\AppData\Roaming\9100393150474F50\9100393150474F50.exe

          Filesize

          223KB

          MD5

          9831b1092d9acaeb30351e1db30e8521

          SHA1

          3b25a4553abced0c237198335fd967f92ad86756

          SHA256

          916c68203f329eaf00e0dbf5a7571107708ce037935b5f51d7eed41ad581cdfd

          SHA512

          6a764462d4199306510fc8913e6ff9bb4f6f2db74a2a013abc407afd1fc1aefb4843ad2713227b5a9ec1aa74938e7286f817c8e021166c16ae35933e0d1faf8a

        • memory/1380-90-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1380-89-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1488-65-0x00000000003FE000-0x0000000000416000-memory.dmp

          Filesize

          96KB

        • memory/1488-54-0x0000000076DC1000-0x0000000076DC3000-memory.dmp

          Filesize

          8KB

        • memory/1744-60-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1744-67-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1744-63-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1744-71-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1744-61-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1744-59-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1744-57-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1744-55-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2032-86-0x000000000057E000-0x0000000000596000-memory.dmp

          Filesize

          96KB