Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 16:07

General

  • Target

    9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe

  • Size

    3.5MB

  • MD5

    ec50781a092f8fcf646819b477a52737

  • SHA1

    772a261656c3fb3a741a2492d603f6550cbf71bd

  • SHA256

    9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82

  • SHA512

    8d80a869f7818cc2b1ad574c6d75a4e0e06486ed3dc315d4382f9af249a0e50ea20fdea8726d846601594e0a94c2c82e462bbbabe41ab8e8ef34527582ed523b

  • SSDEEP

    98304:lZtTTjjHfLnz8UtAiSZcAcOjmcrsPzqUN:lZRHfXxUP36zqs

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\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe
    "C:\Users\Admin\AppData\Local\Temp\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.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:1244

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\CabF5D6.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\TarF5E8.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/1244-4-0x0000000000160000-0x000000000016A000-memory.dmp

          Filesize

          40KB

        • memory/1244-5-0x0000000000160000-0x000000000016A000-memory.dmp

          Filesize

          40KB

        • memory/1244-18-0x0000000000160000-0x000000000016A000-memory.dmp

          Filesize

          40KB

        • memory/1244-17-0x0000000000160000-0x000000000016A000-memory.dmp

          Filesize

          40KB