ae69db738d72e2673c6a4d177e806ace49277ce30b2a903fb4ac1af5537e5720

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
23/11/2023, 23:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ae69db738d72e2673c6a4d177e806ace49277ce30b2a903fb4ac1af5537e5720.exe
Size

3.4MB
MD5

0cf70ca2b4be6255274b7bf1ae48ec8a
SHA1

5354c62e43100eda35def4584f7242d6f9858ed5
SHA256

ae69db738d72e2673c6a4d177e806ace49277ce30b2a903fb4ac1af5537e5720
SHA512

841d3d9cedbf007336bf9eaf0aa79d1611837a374874b4f89638a96a2eecbcd1b58de353f1c20120dc710f109e84d247db061f41027c05c827dbd4dc696eab00
SSDEEP

49152:vEjEamQb2OguN8Dfk5JEG14wv2QwnN4iTapOcaPKfjtD8cEOxeuxzS2hPV5T1gWU:vEjlmQbfgSgwvSnN4iVJuS0xJdzYUq9

Score

7^/10

bootkit persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3160	ae69db738d72e2673c6a4d177e806ace49277ce30b2a903fb4ac1af5537e5720.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:	ae69db738d72e2673c6a4d177e806ace49277ce30b2a903fb4ac1af5537e5720.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	ae69db738d72e2673c6a4d177e806ace49277ce30b2a903fb4ac1af5537e5720.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3160	ae69db738d72e2673c6a4d177e806ace49277ce30b2a903fb4ac1af5537e5720.exe
3160	ae69db738d72e2673c6a4d177e806ace49277ce30b2a903fb4ac1af5537e5720.exe

C:\Users\Admin\AppData\Local\Temp\ae69db738d72e2673c6a4d177e806ace49277ce30b2a903fb4ac1af5537e5720.exe
"C:\Users\Admin\AppData\Local\Temp\ae69db738d72e2673c6a4d177e806ace49277ce30b2a903fb4ac1af5537e5720.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:3160

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

Loading Replay Monitor...

Downloads

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

Filesize
74KB

MD5
2814acbd607ba47bdbcdf6ac3076ee95

SHA1
50ab892071bed2bb2365ca1d4bf5594e71c6b13b

SHA256
5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67

SHA512
34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498

Download Submit