Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15/10/2024, 22:26

General

  • Target

    3d2f24ae15823cbe09856b6bbcf2e3aac4c4872007855bb762992ef1080eed7a.exe

  • Size

    3.7MB

  • MD5

    6e1d4bdda91ae99091e5756e12777ca0

  • SHA1

    eb7fcbb2bb781ebe1adaab749dd7789e3314c048

  • SHA256

    3d2f24ae15823cbe09856b6bbcf2e3aac4c4872007855bb762992ef1080eed7a

  • SHA512

    fad6d26524d91cd57dcd64833e9cb73f907ed3c1146c2bca0c391054e7396d2dbcc6b494fa8c24dca03aeebbcd0a846ba2d17c3c71c84abb0b51b95d1f45d8ee

  • SSDEEP

    98304:gZlzTjjHfLnz8UtAiSZcAcOMmZ88YzVOq0b:gZpHfXxUP78DVOqy

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 1 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.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d2f24ae15823cbe09856b6bbcf2e3aac4c4872007855bb762992ef1080eed7a.exe
    "C:\Users\Admin\AppData\Local\Temp\3d2f24ae15823cbe09856b6bbcf2e3aac4c4872007855bb762992ef1080eed7a.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:1984

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\CabAB2F.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\TarAB52.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • \Users\Admin\AppData\Local\Tencent\TxGameAssistant\TGBDownloader\dr.dll

          Filesize

          78KB

          MD5

          dccc58e47d693a626fe384b86f3ee094

          SHA1

          2debd41ee7cce88f1ba19768185328a1eed6e841

          SHA256

          cf42d5b750058d2fe19016db401ee26f6f2ec51a618f68ed231de88cc23cb50e

          SHA512

          f00d631c3c8c0d2b54a25aa05dc3b863278859c0a1b96293fd1702c6ac0e5aeb4c5daed4ca7378fc9ca5c8f5918b02a3ba19707fe991bf76766575f109fc6d4f

        • memory/1984-4-0x00000000004D0000-0x00000000004DA000-memory.dmp

          Filesize

          40KB

        • memory/1984-5-0x00000000004D0000-0x00000000004DA000-memory.dmp

          Filesize

          40KB

        • memory/1984-69-0x00000000004D0000-0x00000000004DA000-memory.dmp

          Filesize

          40KB

        • memory/1984-70-0x00000000004D0000-0x00000000004DA000-memory.dmp

          Filesize

          40KB