d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-02-2024 00:34

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General

Target

d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.exe
Size

3.5MB
MD5

1634f8129e24c1a3767c53fa703e4dc2
SHA1

92bd9665624beea61551b6b0bd00341defba44c9
SHA256

d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33
SHA512

7eb4a0fd5ca852821fbe4224030dec585066c4765b129a0cf4ed1d1a9bb34fac9b05fdec4fd1b2298afcda9b854222a2b17f5093c3ea0174bef837c990a741e6
SSDEEP

98304:oEjlmQbfgSgwvSnN4iVJur0xM/licQBq2:oEjgQPXq0/xQBq2

Score

7^/10

bootkit persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.exe

pid process

2984 d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.exe
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Processes:

d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.exe

description ioc process

File opened (read-only) \??\F: d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.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.
bootkit persistence

Bootkit
T1542.003

Processes:

d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.exe

description ioc process

File opened for modification \??\PhysicalDrive0 d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.exe

pid process

2984 d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.exe

pid	process
2984	d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.exe

description	ioc	process
File opened (read-only)	\??\F:	d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.exe

pid	process
2984	d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.exe

C:\Users\Admin\AppData\Local\Temp\d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.exe
"C:\Users\Admin\AppData\Local\Temp\d347566306ea445034affa3d94a3a92f4fe12b70f4b8569627286cdea735be33.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:2984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Tencent\TxGameAssistant\TGBDownloader\dr.dll

Filesize
74KB

MD5
2814acbd607ba47bdbcdf6ac3076ee95

SHA1
50ab892071bed2bb2365ca1d4bf5594e71c6b13b

SHA256
5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67

SHA512
34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498

Download Submit
memory/2984-4-0x0000000000160000-0x000000000016A000-memory.dmp

Filesize
40KB

Download
memory/2984-5-0x0000000000160000-0x000000000016A000-memory.dmp

Filesize
40KB

Download
memory/2984-10-0x0000000000160000-0x000000000016A000-memory.dmp

Filesize
40KB

Download
memory/2984-11-0x0000000000160000-0x000000000016A000-memory.dmp

Filesize
40KB

Download