lucastealer | 319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749

Analysis

max time kernel
146s
max time network
182s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
27-02-2023 04:58

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General

Target

319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe
Size

5.7MB
MD5

deb9c6e9c058071ebf52521065a75018
SHA1

d3f54b15504de1a55d26a5753f1254c5c42fadec
SHA256

319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749
SHA512

404d63f29db4b8edf4f5b73442e8e0c4dd58829b57bd2a75149d07acbd105cc9958429231f7f42dfb514824b62c7990d03913fbfd54d2e16273fd406e380be37
SSDEEP

49152:7Zg+YZ4PyxV4maKAUerq93kBis7q9mMts5lfarmNP78xMng+HEvLV+io6B5i5lSy:fFsaAnc6ZcIUk+r

Score

10^/10

lucastealer spyware stealer

Malware Config

Signatures

Luca Stealer
Info stealer written in Rust first seen in July 2022.
stealer lucastealer
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Looks up external IP address via web service 1 IoCs

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

Processes:

flow	ioc
3	ip-api.com

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
3120	3636	WerFault.exe	65

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe

pid	Process
3636	319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe
3636	319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe
3636	319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe
3636	319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe
3636	319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe
3636	319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe

C:\Users\Admin\AppData\Local\Temp\319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe
"C:\Users\Admin\AppData\Local\Temp\319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:3636
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 3636 -s 1452
  2⤵
  - Program crash
  PID:3120

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

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\logscx\sensfiles.zip

Filesize
4.8MB

MD5
602f3b49c433ef51616f5c1bbb243462

SHA1
f3372fc818ea529a75488effc4ce1d9703897ea7

SHA256
b67b960e518ca3a94125fb17876e263e08229a44f71fca01233b34207c02dfb7

SHA512
7fa7236ff9bf4f11ffd976611a0e1762af15c15ff00714f0c35462dfd56591edcdbf86f5242b870beb9081c7013bc3886162a612685c03bdb7b8c0791544b854

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