lucastealer | 319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749

Analysis

max time kernel
55s
max time network
161s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
25-02-2023 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
4668	1844	WerFault.exe	65

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe

pid	Process
1844	319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe
1844	319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe
1844	319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe
1844	319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe
1844	319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe
1844	319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe

C:\Users\Admin\AppData\Local\Temp\319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe
"C:\Users\Admin\AppData\Local\Temp\319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:1844
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1844 -s 1460
  2⤵
  - Program crash
  PID:4668

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
3.1MB

MD5
8d1b8d46a669b749d70b700e817e284b

SHA1
af18ad06222ddedb45b3821eead3ba1781725684

SHA256
00301ee2dbc1a8c38fbf54ae8819127bc10fe07c56783cc5875febc1461cd432

SHA512
6124bfefe150c9c103c8481077d00d11019135d0056c43313baeaa9f794c36fcad40430f61acfca894221076617bea67918d42f09bae6fb89403580f68c0d695

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