a23945c99f549c729b6e88ed249196d20e365da1fd328affe8033aba249e786e

Analysis

max time kernel
79s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
23-03-2023 22:53

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General

Target

uptodown-gameloop-1-0-01.exe
Size

3.6MB
MD5

b587203da58a62fe7bfe8d8b171e014b
SHA1

0b82ed301a67eb1a00cbe52eac284698a1ebd423
SHA256

a23945c99f549c729b6e88ed249196d20e365da1fd328affe8033aba249e786e
SHA512

4a5125a3fac6b0c1b46e75706c533c78b7f7fcdff8ecb1605e7430b6d417d977f147bce63150d3c1cce5ecd7fd547c8ce1fce84001d7fb70a447da4b166fa0d7
SSDEEP

98304:LTyXLwBG1SqaMx+Ww1hWu0DB7DoKpAqtz:LTBACww6DFNGqp

Score

7^/10

bootkit persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

uptodown-gameloop-1-0-01.exe

pid process

2460 uptodown-gameloop-1-0-01.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:

uptodown-gameloop-1-0-01.exe

description ioc process

File opened for modification \??\PhysicalDrive0 uptodown-gameloop-1-0-01.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

uptodown-gameloop-1-0-01.exe

pid process

2460 uptodown-gameloop-1-0-01.exe
2460 uptodown-gameloop-1-0-01.exe

pid	process
2460	uptodown-gameloop-1-0-01.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	uptodown-gameloop-1-0-01.exe

pid	process
2460	uptodown-gameloop-1-0-01.exe
2460	uptodown-gameloop-1-0-01.exe

C:\Users\Admin\AppData\Local\Temp\uptodown-gameloop-1-0-01.exe
"C:\Users\Admin\AppData\Local\Temp\uptodown-gameloop-1-0-01.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:2460

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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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 Matrix ATT&CK v6

Replay Monitor

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Downloads