Analysis

  • max time kernel
    338s
  • max time network
    512s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2023, 18:11

General

  • Target

    SGImini.exe

  • Size

    30.6MB

  • MD5

    ee470b6291fec8e84466d2b2bf62e20f

  • SHA1

    2ca7c75dc2cd254ad608b7d18993b89bb57de087

  • SHA256

    b302802afcf425b8620e9a1078598eaac8dcf5dedd3515e3b09d15ca46304bca

  • SHA512

    bc1cfb3c14d174aba344b2ed545aa3fca087b0117d76c068a79d06533b539b6c427c0d6f57f95b074e75c3ae9a5a21bdc4bf7dd88a79ae2e79233cb97ce08d7d

  • SSDEEP

    786432:AL/jqgODjcF6z+u9mqUbwvhpsk+WTqCfHD9oErI8Cs:ALuhGuwqmw5p8WnHDR5Cs

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

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

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Checks SCSI registry key(s) 3 TTPs 14 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SGImini.exe
    "C:\Users\Admin\AppData\Local\Temp\SGImini.exe"
    1⤵
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4132
    • C:\Users\Admin\AppData\Local\Temp\~SkakJHBuY\SGIYX.exe
      C:\Users\Admin\AppData\Local\Temp\~SkakJHBuY\SGIYX.exe -mohong
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      PID:2628

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\~SkakJHBuY\SGIYX.exe

          Filesize

          23KB

          MD5

          0cb9c0329fefacfd49c0f76c41c12b42

          SHA1

          35f3503e41adb04bb61fdc7a6a111b06522f8655

          SHA256

          173eea9ed8cfb54b85795b6de94dce01be1132ef7cfced9825a7632cb19c7c2d

          SHA512

          461140c9bcc6cbb46f0e827b6079775ffd68ff76a9ed5788baa20e373ce84a8dfaecc8ed60fa28392002551cbbdb4fda3c954290f8a3a281c31ad7ba91345d55

        • C:\Users\Admin\AppData\Local\Temp\~SkakJHBuY\SGIYX.exe

          Filesize

          23KB

          MD5

          0cb9c0329fefacfd49c0f76c41c12b42

          SHA1

          35f3503e41adb04bb61fdc7a6a111b06522f8655

          SHA256

          173eea9ed8cfb54b85795b6de94dce01be1132ef7cfced9825a7632cb19c7c2d

          SHA512

          461140c9bcc6cbb46f0e827b6079775ffd68ff76a9ed5788baa20e373ce84a8dfaecc8ed60fa28392002551cbbdb4fda3c954290f8a3a281c31ad7ba91345d55

        • C:\Windows\Temp\sgiRun.log

          Filesize

          483B

          MD5

          d9f72c8bd0bdf1f485367ffd9c5bff43

          SHA1

          87da0a8051ce4dd7400cc2583067f1b0836220e1

          SHA256

          a8f72e5586ccdccac62271b7137440d2c7dc3b23955b6a9c3e52202abce955e9

          SHA512

          9535c8dc539d115a0f7961e4efa5b40f1d0d5c926e1be65b234f0fe765c80fb7772ad79688376bae885be2a282343430c1f757ad9f4ffa6bd96ab183f32cfb92

        • C:\Windows\Temp\sgiRun.log

          Filesize

          883B

          MD5

          6b7742700aa4129510b8281cc9fdb2fb

          SHA1

          d144c02a9b22a9e9026a49625022dea53ea1164f

          SHA256

          244c7d9c2d58c1702cda27c62a213d0f603960160555a3da241f5ea087cae962

          SHA512

          3c2baab522ca533955afd3d7cee1fd18e242e51555cffff91d474b1f099598bfc04c14219c3ade05e746dbe0025cfa8d5715b00c4263b2c904d0ca38daa9b1b5

        • memory/2628-180-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB

        • memory/4132-133-0x0000000000400000-0x0000000004B66000-memory.dmp

          Filesize

          71.4MB

        • memory/4132-134-0x0000000000400000-0x0000000004B66000-memory.dmp

          Filesize

          71.4MB

        • memory/4132-137-0x0000000000400000-0x0000000004B66000-memory.dmp

          Filesize

          71.4MB

        • memory/4132-138-0x0000000000400000-0x0000000004B66000-memory.dmp

          Filesize

          71.4MB

        • memory/4132-139-0x0000000004E00000-0x0000000004E01000-memory.dmp

          Filesize

          4KB

        • memory/4132-197-0x0000000000400000-0x0000000004B66000-memory.dmp

          Filesize

          71.4MB

        • memory/4132-198-0x0000000000400000-0x0000000004B66000-memory.dmp

          Filesize

          71.4MB