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Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    06/02/2024, 18:33

General

  • Target

    15ffefafa2b14de608417f80e36144658c46bba45a51976fb55538230d9ac5c1.exe

  • Size

    3.8MB

  • MD5

    1043677f1bd3f963f7df8c53d721b7c5

  • SHA1

    fc00e4bdf23e2c0b3c52bf5b575047507d44e2af

  • SHA256

    15ffefafa2b14de608417f80e36144658c46bba45a51976fb55538230d9ac5c1

  • SHA512

    985c07ab5bbd15bd72280f49a66ff63afa71ac676275105800aa359283bc1fdfb4f56d88df2e668c736a821b2eced7cdf06843cfd994ac9def3bb52bdb32ba55

  • SSDEEP

    98304:fEjlmQbfgSgwvSnN4iVJu+0xGZ6twFquI3rFqK:fEjgQPXqdEtwYf3rFqK

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\15ffefafa2b14de608417f80e36144658c46bba45a51976fb55538230d9ac5c1.exe
    "C:\Users\Admin\AppData\Local\Temp\15ffefafa2b14de608417f80e36144658c46bba45a51976fb55538230d9ac5c1.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    PID:1796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    74KB

    MD5

    2814acbd607ba47bdbcdf6ac3076ee95

    SHA1

    50ab892071bed2bb2365ca1d4bf5594e71c6b13b

    SHA256

    5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67

    SHA512

    34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498

  • memory/1796-8-0x00000000001E0000-0x00000000001EA000-memory.dmp

    Filesize

    40KB

  • memory/1796-9-0x00000000001E0000-0x00000000001EA000-memory.dmp

    Filesize

    40KB

  • memory/1796-10-0x00000000001E0000-0x00000000001EA000-memory.dmp

    Filesize

    40KB

  • memory/1796-11-0x00000000001E0000-0x00000000001EA000-memory.dmp

    Filesize

    40KB