Analysis

  • max time kernel
    94s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-08-2024 05:58

General

  • Target

    67f414f2e1fc8518c2ee09514a566109768187ce062e0b481eac20041297cc22.exe

  • Size

    3.6MB

  • MD5

    09f6fd3c3cf3ae0b46f728107ec9fe76

  • SHA1

    adaa4ee1b0fd2ff6d24b9479a9150e22d166c944

  • SHA256

    67f414f2e1fc8518c2ee09514a566109768187ce062e0b481eac20041297cc22

  • SHA512

    fadabd5fa062f2c8fbce9b262a5abcfcedd88bf3728d9822695d8f829f2f5a862d4a1566bac7e6110bd8815f0ce31acf623824eff92548b33f71251beba8f3c3

  • SSDEEP

    98304:yEjlmQbfgSgwvSnN4iVJu80xEMzlgz3qw:yEjgQPXqTM6z3qw

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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67f414f2e1fc8518c2ee09514a566109768187ce062e0b481eac20041297cc22.exe
    "C:\Users\Admin\AppData\Local\Temp\67f414f2e1fc8518c2ee09514a566109768187ce062e0b481eac20041297cc22.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:452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    74KB

    MD5

    2814acbd607ba47bdbcdf6ac3076ee95

    SHA1

    50ab892071bed2bb2365ca1d4bf5594e71c6b13b

    SHA256

    5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67

    SHA512

    34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498