bb68113cfaba1def162b8a0df4b1d41b83ea34ce4fd5b23e0a0b75b259b62bfc

Analysis

max time kernel
46s
max time network
54s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
02/05/2024, 19:41

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General

Target

GLP_installer_900223150_market.exe
Size

3.6MB
MD5

0ac1fd602f5ec2d2231fe311777791e8
SHA1

52ca6ccd121faf4f3aad9e7760ee1a519b323d83
SHA256

bb68113cfaba1def162b8a0df4b1d41b83ea34ce4fd5b23e0a0b75b259b62bfc
SHA512

10fb445ccf904c20b1b3736d02f53bc43a3b9161465c6915c89a06e978be9e988342f40d4c895acbfdabf236fbdbaa87c8470577626cbc2ba1838dba48e57623
SSDEEP

49152:808OhxtUg9OUi82w6aQp9dgS1GUL38XhCOYc3iJXe9emEPGKOPkQThMYRMnm7LBg:808vdsGaQNgS1C6e6ngKpqM

Score

8^/10

bootkit persistence

Malware Config

Signatures

Downloads MZ/PE file

Loads dropped DLL 1 IoCs

pid	Process
4080	GLP_installer_900223150_market.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

description	ioc	Process
File opened (read-only)	\??\F:	GLP_installer_900223150_market.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

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	GLP_installer_900223150_market.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4080	GLP_installer_900223150_market.exe
4080	GLP_installer_900223150_market.exe

C:\Users\Admin\AppData\Local\Temp\GLP_installer_900223150_market.exe
"C:\Users\Admin\AppData\Local\Temp\GLP_installer_900223150_market.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:4080

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

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

Filesize
74KB

MD5
2814acbd607ba47bdbcdf6ac3076ee95

SHA1
50ab892071bed2bb2365ca1d4bf5594e71c6b13b

SHA256
5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67

SHA512
34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498

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