bb68113cfaba1def162b8a0df4b1d41b83ea34ce4fd5b23e0a0b75b259b62bfc

Analysis

max time kernel
142s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 13:14

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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 discovery persistence

Malware Config

Signatures

Downloads MZ/PE file

Loads dropped DLL 1 IoCs

pid	Process
2112	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

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GLP_installer_900223150_market.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2112	GLP_installer_900223150_market.exe
2112	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)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2112

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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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