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Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    06/02/2024, 18:33

General

  • Target

    040f3c6de5100fd909535892484797c955dccf5f7df17ca09e90fdb396b3ed88.exe

  • Size

    3.5MB

  • MD5

    e1c34b82916b4283af04d387f3ff391f

  • SHA1

    b4fce0d95fd57b1890a06e421b8d144d9b0e8fc5

  • SHA256

    040f3c6de5100fd909535892484797c955dccf5f7df17ca09e90fdb396b3ed88

  • SHA512

    a46c647789e32f6cba1416ae44725c35bc5f583809c709927cece633c57a47faae75cf0afb0008b64e2ccf2acfacaac0388d7107f40667e447fb3a2d73e6f58b

  • SSDEEP

    49152:ghE/hGyc92Q4sGFilFT4IZi3O96wrhHHfT81CEhx+XOtWEbV/q5WVp4QHhmeZP54:ghIhGOQw+Sgi32HHfImWQQrhreYiqO

Score
7/10

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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\040f3c6de5100fd909535892484797c955dccf5f7df17ca09e90fdb396b3ed88.exe
    "C:\Users\Admin\AppData\Local\Temp\040f3c6de5100fd909535892484797c955dccf5f7df17ca09e90fdb396b3ed88.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    PID:2352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    74KB

    MD5

    2814acbd607ba47bdbcdf6ac3076ee95

    SHA1

    50ab892071bed2bb2365ca1d4bf5594e71c6b13b

    SHA256

    5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67

    SHA512

    34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498

  • memory/2352-5-0x00000000001E0000-0x00000000001EA000-memory.dmp

    Filesize

    40KB

  • memory/2352-4-0x00000000001E0000-0x00000000001EA000-memory.dmp

    Filesize

    40KB

  • memory/2352-10-0x00000000001E0000-0x00000000001EA000-memory.dmp

    Filesize

    40KB

  • memory/2352-11-0x00000000001E0000-0x00000000001EA000-memory.dmp

    Filesize

    40KB