3a2846143d7bf192e0dc3bcdbe6245ebc71cbc8de527f07b194e1e559c74fdac

Analysis

max time kernel
232s
max time network
295s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2023 16:38

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General

Target

free-fire-gameloop-1-94-1.exe
Size

3.6MB
MD5

4dd66324d20bb685f7186f5759db3996
SHA1

9d9377f2a3817f7cfb2994585a26bc18785858d2
SHA256

3a2846143d7bf192e0dc3bcdbe6245ebc71cbc8de527f07b194e1e559c74fdac
SHA512

0126e01073374400598660bce59145c7b12bfcea3efdf0e30f1faa5acc7c7b3fdef608af1459da9951ce546f5f3b02e97b4c657a2bd271aa7663e1c77cda64b4
SSDEEP

98304:yTyXLwBG1SqaMx+Ww1hWu0Dr74tKEhqt6:yTBACww6DI4mq8

Score

8^/10

bootkit persistence

Malware Config

Signatures

Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

free-fire-gameloop-1-94-1.exe

pid process

60 free-fire-gameloop-1-94-1.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
T1067

Processes:

free-fire-gameloop-1-94-1.exe

description ioc process

File opened for modification \??\PhysicalDrive0 free-fire-gameloop-1-94-1.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

free-fire-gameloop-1-94-1.exe

pid process

60 free-fire-gameloop-1-94-1.exe
60 free-fire-gameloop-1-94-1.exe

pid	process
60	free-fire-gameloop-1-94-1.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	free-fire-gameloop-1-94-1.exe

pid	process
60	free-fire-gameloop-1-94-1.exe
60	free-fire-gameloop-1-94-1.exe

C:\Users\Admin\AppData\Local\Temp\free-fire-gameloop-1-94-1.exe
"C:\Users\Admin\AppData\Local\Temp\free-fire-gameloop-1-94-1.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:60

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads