lucastealer | 52b49593cbcc54f429acc71458e2c0b1a1a120ba97566ca212a5890bb6f57f60

Analysis

max time kernel
142s
max time network
147s
platform
windows11-21h2_x64
resource
win11-20240214-en
resource tags

arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
submitted
29-03-2024 19:25

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General

Target

Remcos-RAT-2022-main/Remcos Professional.exe
Size

6.5MB
MD5

1ecae7b88236fff686604c40f2ec8ef0
SHA1

5338d387c764b7da0a097e4dd38c17c603e62b08
SHA256

95a3f82e8e77aeb491d7faaf17c4f206763ff7eb08b8696e28ad109b67b984cf
SHA512

6a396bf98181250a2a386c2ee4dbcd8a4be6e23de029d614296e6f33a66b6f6049b487ef07d70936812c31f6cce7bb1b709361b749e0b1ad3507382b26c00a5c
SSDEEP

196608:CyDxS34Qskc93Uuze5VbN0Wp4ctz7Z9aVi:txb1kcWuzku84cNd

Score

10^/10

lucastealer spyware stealer upx

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
T1552.001

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1172-0-0x00007FF6B03B0000-0x00007FF6B1CF4000-memory.dmp	upx
behavioral2/memory/1172-25-0x00007FF6B03B0000-0x00007FF6B1CF4000-memory.dmp	upx

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:	Remcos Professional.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
1	discord.com
7	discord.com

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
1	ip-api.com

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1172	Remcos Professional.exe
1172	Remcos Professional.exe
1172	Remcos Professional.exe
1172	Remcos Professional.exe
1172	Remcos Professional.exe
1172	Remcos Professional.exe

C:\Users\Admin\AppData\Local\Temp\Remcos-RAT-2022-main\Remcos Professional.exe
"C:\Users\Admin\AppData\Local\Temp\Remcos-RAT-2022-main\Remcos Professional.exe"
1⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
PID:1172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2.5MB

MD5
db1d47811a696dae50454abdbf8a9600

SHA1
759f3944937d00cbddafdf32f06918cc57a026ce

SHA256
4d2b0d33a5f4538c93c4cbd6ace75eef86a609ccfb59a810d897bb0b3b936ef7

SHA512
b0112d67648ef1b69d758d125ec718d86e9e29c8324a9dd911b197b93faefb4dfdd9f48f46e534ec99b988d94d4d11fadee0d9be36fba7c59bbda5e860f67fa5

Download Submit
memory/1172-0-0x00007FF6B03B0000-0x00007FF6B1CF4000-memory.dmp

Filesize
25.3MB

Download
memory/1172-25-0x00007FF6B03B0000-0x00007FF6B1CF4000-memory.dmp

Filesize
25.3MB

Download