Analysis
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max time kernel
118s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
24-02-2024 00:38
Behavioral task
behavioral1
Sample
bc2df11b6b093215759870f3e66066bef3612e8afdc05f3418a0a68c948c2603.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bc2df11b6b093215759870f3e66066bef3612e8afdc05f3418a0a68c948c2603.exe
Resource
win10v2004-20240221-en
General
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Target
bc2df11b6b093215759870f3e66066bef3612e8afdc05f3418a0a68c948c2603.exe
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Size
3.8MB
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MD5
126c03f6eec9630d9caf18fff179cea0
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SHA1
8a0e6533246b3b9394dc20932d037114b7db1a07
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SHA256
bc2df11b6b093215759870f3e66066bef3612e8afdc05f3418a0a68c948c2603
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SHA512
5c0d7dc011444aca3f96118ab8f97c1985baf696c25287c9236c158c017c8ee4a636600960d8ad92ac6c1e139f000455e1c29750f59bad5276556d140cebd812
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SSDEEP
98304:iEjlmQbfgSgwvSnN4iVJu+0xGZ6twFquI3rFq9:iEjgQPXqdEtwYf3rFq9
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
Processes:
bc2df11b6b093215759870f3e66066bef3612e8afdc05f3418a0a68c948c2603.exepid process 1712 bc2df11b6b093215759870f3e66066bef3612e8afdc05f3418a0a68c948c2603.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
bc2df11b6b093215759870f3e66066bef3612e8afdc05f3418a0a68c948c2603.exedescription ioc process File opened (read-only) \??\F: bc2df11b6b093215759870f3e66066bef3612e8afdc05f3418a0a68c948c2603.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.
Processes:
bc2df11b6b093215759870f3e66066bef3612e8afdc05f3418a0a68c948c2603.exedescription ioc process File opened for modification \??\PhysicalDrive0 bc2df11b6b093215759870f3e66066bef3612e8afdc05f3418a0a68c948c2603.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
bc2df11b6b093215759870f3e66066bef3612e8afdc05f3418a0a68c948c2603.exepid process 1712 bc2df11b6b093215759870f3e66066bef3612e8afdc05f3418a0a68c948c2603.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bc2df11b6b093215759870f3e66066bef3612e8afdc05f3418a0a68c948c2603.exe"C:\Users\Admin\AppData\Local\Temp\bc2df11b6b093215759870f3e66066bef3612e8afdc05f3418a0a68c948c2603.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Tencent\TxGameAssistant\TGBDownloader\dr.dllFilesize
74KB
MD52814acbd607ba47bdbcdf6ac3076ee95
SHA150ab892071bed2bb2365ca1d4bf5594e71c6b13b
SHA2565904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67
SHA51234c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498
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memory/1712-4-0x0000000000160000-0x000000000016A000-memory.dmpFilesize
40KB
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memory/1712-5-0x0000000000160000-0x000000000016A000-memory.dmpFilesize
40KB
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memory/1712-10-0x0000000000160000-0x000000000016A000-memory.dmpFilesize
40KB
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memory/1712-11-0x0000000000160000-0x000000000016A000-memory.dmpFilesize
40KB