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Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03/02/2024, 13:32

General

  • Target

    62ecb2664e103b43df755d1ec0222fa8f07af5178de970edfb0c44dcca34b52c.exe

  • Size

    3.5MB

  • MD5

    400ac7fe370643bfcfda75c50e62d04a

  • SHA1

    225cdf9b714a07aaf412258ca118896057158a59

  • SHA256

    62ecb2664e103b43df755d1ec0222fa8f07af5178de970edfb0c44dcca34b52c

  • SHA512

    678e1a28479119c8f4dded1bd2eb4b795927a2280e2f092ff4a8eea6bde08b5e42f8b80c17faed91eda816147c9d5e0fa6d67c51b19ee74afc1abd19975777d0

  • SSDEEP

    49152:HEjEamQb2OguN8Dfk5JEG14wv2QwnN4iTapOcaPKfjtD8cEOxeuxzS2hPV5T1gWK:HEjlmQbfgSgwvSnN4iVJua0x/r2cBqt

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\62ecb2664e103b43df755d1ec0222fa8f07af5178de970edfb0c44dcca34b52c.exe
    "C:\Users\Admin\AppData\Local\Temp\62ecb2664e103b43df755d1ec0222fa8f07af5178de970edfb0c44dcca34b52c.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    PID:2000

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/2000-4-0x0000000000120000-0x000000000012A000-memory.dmp

    Filesize

    40KB

  • memory/2000-5-0x0000000000120000-0x000000000012A000-memory.dmp

    Filesize

    40KB

  • memory/2000-10-0x0000000000120000-0x000000000012A000-memory.dmp

    Filesize

    40KB

  • memory/2000-11-0x0000000000120000-0x000000000012A000-memory.dmp

    Filesize

    40KB