Overview

overview

10

Static

static

10

7b425ba154...6f.exe

windows7-x64

7

7b425ba154...6f.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    131s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 03:34

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    7b425ba154e29a76a235369f8e1b70f33f5d48f317e9c53b743cbfe5e1858a6f.exe

  • Size

    3.5MB

  • MD5

    04fd12b4e1e493fe61d639cda9620e5b

  • SHA1

    729a6e31398ea7eb8b6ed1a881c7667425a6e18d

  • SHA256

    7b425ba154e29a76a235369f8e1b70f33f5d48f317e9c53b743cbfe5e1858a6f

  • SHA512

    2443cca3bfc1cdb4f24a253d1cde8f3443bf743c921e19bfa57ec283e94381530631297b36fcf197af4e9bfbfee4e8f9ef789d29b2011bfdf3a5c66915e59096

  • SSDEEP

    49152:NEjEamQb2OguN8Dfk5JEG14wv2QwnN4iTapOcaPKfjtD8cEOxeuxzS2hPV5T1gWn:NEjlmQbfgSgwvSnN4iVJuF0xfreseqc

Score
7/10
bootkitpersistence

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.

    bootkitpersistence
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b425ba154e29a76a235369f8e1b70f33f5d48f317e9c53b743cbfe5e1858a6f.exe
    "C:\Users\Admin\AppData\Local\Temp\7b425ba154e29a76a235369f8e1b70f33f5d48f317e9c53b743cbfe5e1858a6f.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    PID:940

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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

    Download Submit