lucastealer | 52b49593cbcc54f429acc71458e2c0b1a1a120ba97566ca212a5890bb6f57f60

Analysis

max time kernel
14s
max time network
21s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
05-05-2024 19:48

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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

Processes:

resource	yara_rule
behavioral1/memory/616-0-0x00007FF7CFF80000-0x00007FF7D18C4000-memory.dmp	upx
behavioral1/memory/616-23-0x00007FF7CFF80000-0x00007FF7D18C4000-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

Processes:

Remcos Professional.exe

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

Processes:

flow ioc

10 discord.com
9 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.

Processes:

flow ioc

3 ip-api.com

description	ioc	process
File opened (read-only)	\??\F:	Remcos Professional.exe

flow	ioc
10	discord.com
9	discord.com

flow	ioc
3	ip-api.com

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Remcos Professional.exe

pid	process
616	Remcos Professional.exe
616	Remcos Professional.exe
616	Remcos Professional.exe
616	Remcos Professional.exe
616	Remcos Professional.exe
616	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:616

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
4.5MB

MD5
2887ea392501c53ab52975c8f04350a9

SHA1
97ae19459f4e03bdeab1b226d0294ef828353a5d

SHA256
c42b7b24fa1afb25a0410c80e2fd80c3ea39cd451c7c22ca271ec95cefe8687b

SHA512
09d52f90884a4c215c1144fc55351a1cfdf4fabb28433e253d4a9a8017764934c60a251c30f73f7d6ec9882b644efc3e71471288ef0f89a8287c1a5650ff9a00

Download Submit
memory/616-0-0x00007FF7CFF80000-0x00007FF7D18C4000-memory.dmp

Filesize
25.3MB

Download
memory/616-23-0x00007FF7CFF80000-0x00007FF7D18C4000-memory.dmp

Filesize
25.3MB

Download