Analysis

  • max time kernel
    138s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/01/2024, 20:36

General

  • Target

    b38c50805347b551640cac5223de86b0f98e73fe7c786000411aae3517d6d583.exe

  • Size

    3.6MB

  • MD5

    674273131768429eb76ae60b2c1b7b62

  • SHA1

    f107738be1d4a0c7306bbd7b21168093a1525244

  • SHA256

    b38c50805347b551640cac5223de86b0f98e73fe7c786000411aae3517d6d583

  • SHA512

    0826762c85337f767521c206c8f2232ea493f23f2f060a8f43c668b3b9c13b64b75b2d5adc6d6322b87b7b2fcbb859b4a02bc84652ab74381ee24f60fcc9db68

  • SSDEEP

    98304:HTyXLwBG1SqaMx+Ww1hWP0DG7nYKk5qt:HTBACwwDDI9iq

Malware Config

Extracted

Family

metasploit

Version

windows/shell_reverse_tcp

C2

192.168.223.130:1453

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • 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\b38c50805347b551640cac5223de86b0f98e73fe7c786000411aae3517d6d583.exe
    "C:\Users\Admin\AppData\Local\Temp\b38c50805347b551640cac5223de86b0f98e73fe7c786000411aae3517d6d583.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    PID:2104

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

        • memory/2104-1-0x0000000000890000-0x0000000000891000-memory.dmp

          Filesize

          4KB

        • memory/2104-11-0x0000000000890000-0x0000000000891000-memory.dmp

          Filesize

          4KB