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Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    06/02/2024, 20:32

General

  • Target

    a153846457b054149c48a64615d3d249fe5050d8b5c97644f93e9c89b2387c32.exe

  • Size

    3.5MB

  • MD5

    04b530be2aeffbbb499428927a8cd09c

  • SHA1

    b67e6d9d509637393fa8aea15f620a8eaf0d20ca

  • SHA256

    a153846457b054149c48a64615d3d249fe5050d8b5c97644f93e9c89b2387c32

  • SHA512

    4b9da316d839aa78309049598e7f73f17681319d594575fd88e91ef9de621cbffb0a3e4effbb9067dab637d6fe9e16ca6df728579bf5d8f6eadeca6202cb9b97

  • SSDEEP

    49152:9EjEamQb2OguN8Dfk5JEG14wv2QwnN4iTapOcaPKfjtD8cEOxeuxzS2hPV5T1gWA:9EjlmQbfgSgwvSnN4iVJul0x/rywvq2

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\a153846457b054149c48a64615d3d249fe5050d8b5c97644f93e9c89b2387c32.exe
    "C:\Users\Admin\AppData\Local\Temp\a153846457b054149c48a64615d3d249fe5050d8b5c97644f93e9c89b2387c32.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    PID:2528

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/2528-5-0x0000000000160000-0x000000000016A000-memory.dmp

    Filesize

    40KB

  • memory/2528-4-0x0000000000160000-0x000000000016A000-memory.dmp

    Filesize

    40KB

  • memory/2528-10-0x0000000000160000-0x000000000016A000-memory.dmp

    Filesize

    40KB

  • memory/2528-11-0x0000000000160000-0x000000000016A000-memory.dmp

    Filesize

    40KB