Analysis

  • max time kernel
    141s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 23:18

General

  • Target

    f631acc686776ff8b89e85780f7c31591522480d764f02bd60520bcf4a42a117.exe

  • Size

    3.4MB

  • MD5

    3a8821701c93b73f10617455ae5424e2

  • SHA1

    7417843c2a69b73f4c5bfcac6caa173cb9df6af7

  • SHA256

    f631acc686776ff8b89e85780f7c31591522480d764f02bd60520bcf4a42a117

  • SHA512

    b2ce77ab927bfba255f25f46306043e3abf6124ed110347423e9731be62dce6495045b97ef32af5721b46f05abbb500f5b39cf68ebea0d6b89f3d72d2d585a76

  • SSDEEP

    49152:eEjEamQb2OguN8Dfk5JEG14wv2QwnN4iTapOcaPKfjtD8cEOxeuxzS2hPV5T1gWO:eEjlmQbfgSgwvSnN4iVJuS0xJdzYUqX

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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f631acc686776ff8b89e85780f7c31591522480d764f02bd60520bcf4a42a117.exe
    "C:\Users\Admin\AppData\Local\Temp\f631acc686776ff8b89e85780f7c31591522480d764f02bd60520bcf4a42a117.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    PID:1388
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5248 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:5028

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      74KB

      MD5

      2814acbd607ba47bdbcdf6ac3076ee95

      SHA1

      50ab892071bed2bb2365ca1d4bf5594e71c6b13b

      SHA256

      5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67

      SHA512

      34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498