Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 04:35

General

  • Target

    5f51de359fd1018e1ae0e930df392c91a83b97d926cbbb4877bf320b77f8739eN.exe

  • Size

    3.5MB

  • MD5

    18673c628de9202d688faa4d596ca070

  • SHA1

    24e6ac1714e394b8986f2d100b755793aa8d196f

  • SHA256

    5f51de359fd1018e1ae0e930df392c91a83b97d926cbbb4877bf320b77f8739e

  • SHA512

    952e6847caa3768a5794e3b92728a218fff94efcbabdf40b3f65cbd63a0478610f32e2eee01eb803abcd0e93473204d18e1e9e79d5229c999b8c9efde5937673

  • SSDEEP

    49152:DEjEamQb2OguN8Dfk5JEG14wv2QwnN4iTapOcaPKfjtD8cEOxeuxzS2hPV5T1gW/:DEjlmQbfgSgwvSnN4iVJue0xQ0QHqH

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\5f51de359fd1018e1ae0e930df392c91a83b97d926cbbb4877bf320b77f8739eN.exe
    "C:\Users\Admin\AppData\Local\Temp\5f51de359fd1018e1ae0e930df392c91a83b97d926cbbb4877bf320b77f8739eN.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:2520

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/2520-5-0x0000000000120000-0x000000000012A000-memory.dmp

    Filesize

    40KB

  • memory/2520-4-0x0000000000120000-0x000000000012A000-memory.dmp

    Filesize

    40KB

  • memory/2520-11-0x0000000000120000-0x000000000012A000-memory.dmp

    Filesize

    40KB

  • memory/2520-10-0x0000000000120000-0x000000000012A000-memory.dmp

    Filesize

    40KB