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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    06/02/2024, 21:33

General

  • Target

    b37e00f1cc2944e0844f3af9f2dcb45dfebdd1ed8bfe6ef605fd0633cfa29bff.exe

  • Size

    3.4MB

  • MD5

    0533236ea3a8f3930c686b66dcb140ed

  • SHA1

    5383ee99aef644d86f908932f9e772ca75ba759d

  • SHA256

    b37e00f1cc2944e0844f3af9f2dcb45dfebdd1ed8bfe6ef605fd0633cfa29bff

  • SHA512

    985983db64c19547473e7154126b3d3ade3068d5cf0e92b84ae30740f7d80c9a9f4bd0fb73a2b828b5d29b9a493e0eedf6a5ba8b669eb2d7a82021e9f34eb466

  • SSDEEP

    49152:6EjEamQb2OguN8Dfk5JEG14wv2QwnN4iTapOcaPKfjtD8cEOxeuxzS2hPV5T1gWQ:6EjlmQbfgSgwvSnN4iVJuS0xJdzYUqx

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\b37e00f1cc2944e0844f3af9f2dcb45dfebdd1ed8bfe6ef605fd0633cfa29bff.exe
    "C:\Users\Admin\AppData\Local\Temp\b37e00f1cc2944e0844f3af9f2dcb45dfebdd1ed8bfe6ef605fd0633cfa29bff.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    PID:1044

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/1044-4-0x0000000000160000-0x000000000016A000-memory.dmp

    Filesize

    40KB

  • memory/1044-5-0x0000000000160000-0x000000000016A000-memory.dmp

    Filesize

    40KB

  • memory/1044-10-0x0000000000160000-0x000000000016A000-memory.dmp

    Filesize

    40KB

  • memory/1044-11-0x0000000000160000-0x000000000016A000-memory.dmp

    Filesize

    40KB