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Analysis

  • max time kernel
    120s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    06/02/2024, 19:36

General

  • Target

    1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe

  • Size

    3.4MB

  • MD5

    1c36ed6d61923083276c4d58c09b7e7f

  • SHA1

    f6772e7e80d849db8ce8dc144d71f6b704d0a9c9

  • SHA256

    1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e

  • SHA512

    ff202f9343a5882d3a604934217beea78636bf2bb024f60bfda6b9dceb441e8a3fa2eb97cc38e0e62eec08b8a95838f61273591773df701e6314f8a95cef74d4

  • SSDEEP

    49152:CEjEamQb2OguN8Dfk5JEG14wv2QwnN4iTapOcaPKfjtD8cEOxeuxzS2hPV5T1gWQ:CEjlmQbfgSgwvSnN4iVJuS0xJdzYUqd

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\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe
    "C:\Users\Admin\AppData\Local\Temp\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    PID:2388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    19KB

    MD5

    ce349766c1a0bb07fecc68b6a158290d

    SHA1

    43e66324a9f8ba43c076f9e97ad0f089ec4ce30d

    SHA256

    dc8d43605edaec97d0422642c1a13151ccf1b03293fb06c47b638d4fbecfeb1c

    SHA512

    efeedcfb6e66f75a4ae8d14752987948377e8eb7e9582831dffa3fc89ab368c752598d1def906176242a82af36424d07a2e8da45b7e2639b35b3d4289eee0110

  • memory/2388-9-0x0000000000430000-0x000000000043A000-memory.dmp

    Filesize

    40KB

  • memory/2388-8-0x0000000000430000-0x000000000043A000-memory.dmp

    Filesize

    40KB

  • memory/2388-10-0x0000000000430000-0x000000000043A000-memory.dmp

    Filesize

    40KB

  • memory/2388-11-0x0000000000430000-0x000000000043A000-memory.dmp

    Filesize

    40KB