Analysis
- max time kernel
118s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20231127-en - resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system - submitted
02/12/2023, 17:11
Behavioral task
behavioral1
Sample
TGBDownloader.exe
Resource
win7-20231201-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
TGBDownloader.exe
Resource
win10v2004-20231127-en
4 signatures
150 seconds
General
- Target TGBDownloader.exe
- Size 3.4MB
- Sample231202-vp9c5sec44
- SHA256 42122a70abbf6b402febfb0a8ae1ccda5b1ef2d50216fa116f1821b42edae042
- MD5 92ccd787086c3ba549513ca84b218950
- SHA1 00353b0a2d2e4a8b57dc3f1ffe0e9b29c6957c09
- SHA512 2360d14fd70d5dbc11b02a742664de13bbbeb9b05bfffaf70d5cf63c901812a495636f193cb5092e1f63681e89b0808e638e00c2b0dfb0e20358bb7cc022918e
- SSDEEP 98304:/EjlmQbfgSgwvSnN4iVJuR0xFN+Mlw5LqR:/EjgQPXqTN+Me5LqR
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
pid Process 2396 TGBDownloader.exe - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\F: TGBDownloader.exe - 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.
description ioc Process File opened for modification \??\PhysicalDrive0 TGBDownloader.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2396 TGBDownloader.exe 2396 TGBDownloader.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Tencent\TxGameAssistant\TGBDownloader\dr.dll
- Size 74KB
- SHA256 5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67
- MD5 2814acbd607ba47bdbcdf6ac3076ee95
- SHA1 50ab892071bed2bb2365ca1d4bf5594e71c6b13b
- SHA512 34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498
- SSDEEP 768:2fqePMS8NxKDSYkK7U0H8zAqaMRmnJD+7OX4ubjJJYIn8n28zaTQ8PfcQWZcRZip:sPMS8NxpYZCrFiZbmnzIQ+cQtfiqDVQ
- MD5 SHA1 SHA512 SSDEEP