lucastealer | 1b73e0f63312bea44a3e1977389c269143f872271903cfc2af98d165bbbcea70

Analysis

max time kernel
104s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2025, 17:03

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General

Target

rust-stealer-xss.exe
Size

5.8MB
MD5

fd40ccbd0970b4d71b70e76f5c04446f
SHA1

e6f414a578294f2577dac6aa0f81ed05fdd2864d
SHA256

1b73e0f63312bea44a3e1977389c269143f872271903cfc2af98d165bbbcea70
SHA512

34cf6d74e6875feaa5f730157ebf1d758dce3e67cff119224c1d5a949f761857dab73953b9f5c98dd3b5143401597526550c74c81288172212908743321f2fa1
SSDEEP

49152:foV9jFtDhCJo454hxfyEqfHYFHFxQRknnNqaTsvNnhhQ9KJpgoWWWA52a43j9xTY:wDFT/bNqaQS9KJpusKI25Un+hW

Score

10^/10

lucastealer credential_access spyware stealer

Malware Config

Signatures

Luca Stealer
Info stealer written in Rust first seen in July 2022.
stealer lucastealer
Lucastealer family
lucastealer
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

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:	rust-stealer-xss.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
8	ip-api.com

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
116	rust-stealer-xss.exe
116	rust-stealer-xss.exe
116	rust-stealer-xss.exe
116	rust-stealer-xss.exe
116	rust-stealer-xss.exe
116	rust-stealer-xss.exe

C:\Users\Admin\AppData\Local\Temp\rust-stealer-xss.exe
"C:\Users\Admin\AppData\Local\Temp\rust-stealer-xss.exe"
1⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
PID:116

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\logsxc\sensfiles.zip

Filesize
802KB

MD5
871f9e203587ba2359fc057c50e48e13

SHA1
79d46eaac1e4b47cbddc556ef9950d44247b55c1

SHA256
208d6ea4afdea471f59eda9b9815bc13555c6898cd26182b691f6f527a1d2fa8

SHA512
57963b60b1dad3037b33fd43764e4da4080e6f06f73e02573f2ba6aa2dc6c097277ce26b2e8e30a961ee7fbbd1e1545a649efae8cbb6a270cf687c686da4bd42

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