67ea9e1543b631fc484440cb21fb8eba177faea04601c0e5f1e34b7a66158e30

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2024, 18:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

67ea9e1543b631fc484440cb21fb8eba177faea04601c0e5f1e34b7a66158e30.exe
Size

6.8MB
MD5

3177a0d4500d5f502a6ef3212d0e114f
SHA1

592cfd3953d17502d90d0cf2579cdf87c0e8d4db
SHA256

67ea9e1543b631fc484440cb21fb8eba177faea04601c0e5f1e34b7a66158e30
SHA512

6d77800148ae1bf88f2edfc983062a9868b2133ab51c7d35953418e027f2ca1b8688e3c6507f2a45a42573b3e847683b80e242b53e389bcb8c1bf9309126e557
SSDEEP

98304:f+2/6yNK0TqTWab1Cv1rBRYpxIcbkS79//enZPJOm4f0URyRr2Eq7eM:f+PfTH/Tbl1mnGbsiUhqJ

Score

7^/10

bootkit persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1884	67ea9e1543b631fc484440cb21fb8eba177faea04601c0e5f1e34b7a66158e30.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:	67ea9e1543b631fc484440cb21fb8eba177faea04601c0e5f1e34b7a66158e30.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	67ea9e1543b631fc484440cb21fb8eba177faea04601c0e5f1e34b7a66158e30.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1884	67ea9e1543b631fc484440cb21fb8eba177faea04601c0e5f1e34b7a66158e30.exe
1884	67ea9e1543b631fc484440cb21fb8eba177faea04601c0e5f1e34b7a66158e30.exe

C:\Users\Admin\AppData\Local\Temp\67ea9e1543b631fc484440cb21fb8eba177faea04601c0e5f1e34b7a66158e30.exe
"C:\Users\Admin\AppData\Local\Temp\67ea9e1543b631fc484440cb21fb8eba177faea04601c0e5f1e34b7a66158e30.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:1884

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4044 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
1⤵
PID:4060

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