Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
09/11/2024, 01:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b32c182598a85ff194f0baf8aa02c784f11de18a3b76f95de3f3d2fb229a7a99.exe
Resource
win7-20240903-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
b32c182598a85ff194f0baf8aa02c784f11de18a3b76f95de3f3d2fb229a7a99.exe
Resource
win10v2004-20241007-en
5 signatures
150 seconds
General
- Target b32c182598a85ff194f0baf8aa02c784f11de18a3b76f95de3f3d2fb229a7a99.exe
- Size 3.6MB
- Sample241109-bthlfathmc
- SHA256 b32c182598a85ff194f0baf8aa02c784f11de18a3b76f95de3f3d2fb229a7a99
- MD5 5012996f279967910ca5529d075994ca
- SHA1 d252da8ddf33cd4de94c9516dc23609a6eacb1bd
- SHA512 74fd0071911a746bb6ee64656ff025faf5fb9119505d8246b16d66479412b65bb502441c0901638230d9e06ca283195272462f406d35bd53ce2ae070adf33030
- SSDEEP 49152:HtRtavkT9tMpBeKWyT3fezuwkkxTqcUC4HTBgi1SN238WFPt0TI6k7vdSZWIXzkv:HtRXB+SKW+vezulo23RKpXq7
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
pid Process 4064 b32c182598a85ff194f0baf8aa02c784f11de18a3b76f95de3f3d2fb229a7a99.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: b32c182598a85ff194f0baf8aa02c784f11de18a3b76f95de3f3d2fb229a7a99.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 b32c182598a85ff194f0baf8aa02c784f11de18a3b76f95de3f3d2fb229a7a99.exe - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b32c182598a85ff194f0baf8aa02c784f11de18a3b76f95de3f3d2fb229a7a99.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4064 b32c182598a85ff194f0baf8aa02c784f11de18a3b76f95de3f3d2fb229a7a99.exe 4064 b32c182598a85ff194f0baf8aa02c784f11de18a3b76f95de3f3d2fb229a7a99.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b32c182598a85ff194f0baf8aa02c784f11de18a3b76f95de3f3d2fb229a7a99.exe"C:\Users\Admin\AppData\Local\Temp\b32c182598a85ff194f0baf8aa02c784f11de18a3b76f95de3f3d2fb229a7a99.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4064
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