Analysis

  • max time kernel
    154s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 08:32

General

  • Target

    70407645ae588bae209328e0f37861ced8e6557d86acf3d7347f61e601cebb06.exe

  • Size

    784KB

  • MD5

    0109baffec5befdc8e10ccd8e9866178

  • SHA1

    3d46f885e43a83d66fab60e12b76dc3b2c2bb3d0

  • SHA256

    70407645ae588bae209328e0f37861ced8e6557d86acf3d7347f61e601cebb06

  • SHA512

    b213212066b7fab3d1c65cdbda7be6d7989de4ff69791f35d62c26a07e8f48ad352e5dab855eb6f2ed7d7fec24c864411b62c6b0f48525b9c0aa84c927a5fbe7

  • SSDEEP

    24576:CXgYDOMAVCBW8BtTxbS7H/3ojexG9NgdNb:CQYKMAfT3oZNgd9

Malware Config

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 14 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 14 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1084
      • C:\Users\Admin\AppData\Local\Temp\70407645ae588bae209328e0f37861ced8e6557d86acf3d7347f61e601cebb06.exe
        "C:\Users\Admin\AppData\Local\Temp\70407645ae588bae209328e0f37861ced8e6557d86acf3d7347f61e601cebb06.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Checks BIOS information in registry
        • Adds Run key to start application
        • Drops file in System32 directory
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1688
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          PID:4916
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:2752
          • C:\Users\Admin\AppData\Local\Temp\70407645ae588bae209328e0f37861ced8e6557d86acf3d7347f61e601cebb06.exe
            "C:\Users\Admin\AppData\Local\Temp\70407645ae588bae209328e0f37861ced8e6557d86acf3d7347f61e601cebb06.exe"
            3⤵
            • Checks computer location settings
            • Drops file in System32 directory
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:3504
            • C:\Windows\SysWOW64\install\server.exe
              "C:\Windows\system32\install\server.exe"
              4⤵
              • Executes dropped EXE
              • Checks BIOS information in registry
              • Checks processor information in registry
              • Enumerates system info in registry
              PID:3628

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt

              Filesize

              229KB

              MD5

              c9ede3d740bebd0d0a94e848bfbeb3e6

              SHA1

              7133f061a29ef53b19f459cc48a3d9ff230eff58

              SHA256

              b0ee0d8f02e99e020e83cf95e926e43023cfbfd39126f37e769d53b0fefe84f2

              SHA512

              993dcdb5805dc6700443db83c23f206d6ce4b91609a19f8342936aa576182facdfcd027a6c9e5ddebfd081ced1b828eafc29d1ff58e448ee8254c10a2886a53b

            • C:\Windows\SysWOW64\install\server.exe

              Filesize

              784KB

              MD5

              0109baffec5befdc8e10ccd8e9866178

              SHA1

              3d46f885e43a83d66fab60e12b76dc3b2c2bb3d0

              SHA256

              70407645ae588bae209328e0f37861ced8e6557d86acf3d7347f61e601cebb06

              SHA512

              b213212066b7fab3d1c65cdbda7be6d7989de4ff69791f35d62c26a07e8f48ad352e5dab855eb6f2ed7d7fec24c864411b62c6b0f48525b9c0aa84c927a5fbe7

            • C:\Windows\SysWOW64\install\server.exe

              Filesize

              784KB

              MD5

              0109baffec5befdc8e10ccd8e9866178

              SHA1

              3d46f885e43a83d66fab60e12b76dc3b2c2bb3d0

              SHA256

              70407645ae588bae209328e0f37861ced8e6557d86acf3d7347f61e601cebb06

              SHA512

              b213212066b7fab3d1c65cdbda7be6d7989de4ff69791f35d62c26a07e8f48ad352e5dab855eb6f2ed7d7fec24c864411b62c6b0f48525b9c0aa84c927a5fbe7

            • memory/1688-154-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/1688-149-0x00000000240F0000-0x0000000024152000-memory.dmp

              Filesize

              392KB

            • memory/1688-141-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/1688-159-0x0000000002450000-0x0000000002488000-memory.dmp

              Filesize

              224KB

            • memory/1688-136-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/1688-134-0x0000000002450000-0x0000000002488000-memory.dmp

              Filesize

              224KB

            • memory/1688-133-0x0000000000400000-0x0000000000514000-memory.dmp

              Filesize

              1.1MB

            • memory/1688-158-0x0000000000400000-0x0000000000514000-memory.dmp

              Filesize

              1.1MB

            • memory/1688-132-0x0000000002450000-0x0000000002488000-memory.dmp

              Filesize

              224KB

            • memory/3504-157-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/3504-161-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/3504-168-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/3504-160-0x0000000000400000-0x0000000000514000-memory.dmp

              Filesize

              1.1MB

            • memory/3628-164-0x0000000002270000-0x00000000022A8000-memory.dmp

              Filesize

              224KB

            • memory/3628-165-0x0000000000400000-0x0000000000514000-memory.dmp

              Filesize

              1.1MB

            • memory/3628-166-0x0000000002270000-0x00000000022A8000-memory.dmp

              Filesize

              224KB

            • memory/3628-167-0x0000000000400000-0x0000000000514000-memory.dmp

              Filesize

              1.1MB

            • memory/4916-147-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/4916-144-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB