lucastealer | 8dd2cdf040b50cc04a10861b61c2e74139974df405344bfe833d83798dd4ea54

Analysis

max time kernel
93s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2025, 16:48

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General

Target

6950eb2bd04f9a5d84adb5ac4f5d78b8a76d2beef553e5d1d54b4388f15061e7.exe
Size

6.0MB
MD5

febc63e02763cd676b1446b024639b81
SHA1

23c29ea38ed641f9926193befb1ac1a8c3e7d4e6
SHA256

6950eb2bd04f9a5d84adb5ac4f5d78b8a76d2beef553e5d1d54b4388f15061e7
SHA512

93a5e23859db3a29e2a34f6709566a79a1cd2b0f0ad7d6bf4efe34dbdd784e520bc06776e1ea00a13ceba95ac1ee2ea38d0eec4abbed4e15d2a334dc36d8a881
SSDEEP

49152:6Y3oQWF4WcPgM4+K2RjJjtE4HAZrGadSZMRPaThP46IPyIcju8HwQKpOlC6Z+Xe:6+5Nri4Uaad5Ml0ojeUEbkJA+Kxh

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:	6950eb2bd04f9a5d84adb5ac4f5d78b8a76d2beef553e5d1d54b4388f15061e7.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
10	ip-api.com

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3208	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2084	6950eb2bd04f9a5d84adb5ac4f5d78b8a76d2beef553e5d1d54b4388f15061e7.exe
2084	6950eb2bd04f9a5d84adb5ac4f5d78b8a76d2beef553e5d1d54b4388f15061e7.exe
2084	6950eb2bd04f9a5d84adb5ac4f5d78b8a76d2beef553e5d1d54b4388f15061e7.exe
2084	6950eb2bd04f9a5d84adb5ac4f5d78b8a76d2beef553e5d1d54b4388f15061e7.exe
2084	6950eb2bd04f9a5d84adb5ac4f5d78b8a76d2beef553e5d1d54b4388f15061e7.exe
2084	6950eb2bd04f9a5d84adb5ac4f5d78b8a76d2beef553e5d1d54b4388f15061e7.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2316	2084	6950eb2bd04f9a5d84adb5ac4f5d78b8a76d2beef553e5d1d54b4388f15061e7.exe	95
PID 2084 wrote to memory of 2316	2084	6950eb2bd04f9a5d84adb5ac4f5d78b8a76d2beef553e5d1d54b4388f15061e7.exe	95
PID 2316 wrote to memory of 3208	2316	cmd.exe	97
PID 2316 wrote to memory of 3208	2316	cmd.exe	97

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\6950eb2bd04f9a5d84adb5ac4f5d78b8a76d2beef553e5d1d54b4388f15061e7.exe
"C:\Users\Admin\AppData\Local\Temp\6950eb2bd04f9a5d84adb5ac4f5d78b8a76d2beef553e5d1d54b4388f15061e7.exe"
1⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c "schtasks /Create /TR C:\Users\Admin\AppData\Roaming\svchost.exe /SC ONLOGON /TN RecordArchive /IT"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\system32\schtasks.exe
    schtasks /Create /TR C:\Users\Admin\AppData\Roaming\svchost.exe /SC ONLOGON /TN RecordArchive /IT
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:3208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\en-US-212.102.63.147-[Admin].zip

Filesize
578KB

MD5
07d532445333487e53ce0959b2cffe80

SHA1
d3e1be3fe57608056f1e3a13cdbd32a2d6216b1c

SHA256
5a8114a788df5289cf427eee10b6519c3e3de9fd0b0eac2e3f513c98d6046f22

SHA512
1c0381b4964d6c991585655fb8cde8f4a2ddfc8f788ad968f354ee1d1c9af6071089f269241b0b655fd122a720b7712be1efb37f33827c1bfda098a2b019cadb

Download Submit
C:\Users\Admin\AppData\Local\Temp\sensfiles.zip

Filesize
111KB

MD5
ff9d17b142e5c550131b6ea50e4a97f5

SHA1
cf3771e0dc467b9e2ddaa44d7b3754e6b869e036

SHA256
b643506c5ca8ad33ba163f70e0b0fc4703eb7ce56591aaf49f210b9295ef7e5b

SHA512
a38b849613fdfc83c5867a0fe6b813608485645bba62a0182cdd5c29adac32345fe18ccb260bf982db3d1b64dcab69df61686424ec08ba0e0d1b01e88eacb3d6

Download Submit