stealc | 903206282c238b32b0d310fb99112789d4b6381fdaa15ff502e61d8c880c0805

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
26/02/2025, 12:09

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General

Target

903206282c238b32b0d310fb99112789d4b6381fdaa15ff502e61d8c880c0805.exe
Size

1.7MB
MD5

6a5419c890335134f2167650474f0361
SHA1

f47cd40f8b4a07bb22f315dc2e3cef99bd026250
SHA256

903206282c238b32b0d310fb99112789d4b6381fdaa15ff502e61d8c880c0805
SHA512

0b78727a47be0299781bc3d7b3d368f3f5843595595f3c9aa53bbd0e4d2a07098c9f034287590c1b19a7014275312f2ffd3cc09ca8dfc131d10b69b05120b42b
SSDEEP

49152:sPrxejRtjUVkf1p5maHPhgtD8SfKW53JFPiRpADvrTlQN/yJkb:kot15tg5jy2oAnTa/yJW

Score

10^/10

stealc reno defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

reno

http://185.215.113.115

Attributes

url_path
/c4becf79229cb002.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	903206282c238b32b0d310fb99112789d4b6381fdaa15ff502e61d8c880c0805.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	903206282c238b32b0d310fb99112789d4b6381fdaa15ff502e61d8c880c0805.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	903206282c238b32b0d310fb99112789d4b6381fdaa15ff502e61d8c880c0805.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Wine	903206282c238b32b0d310fb99112789d4b6381fdaa15ff502e61d8c880c0805.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3732	903206282c238b32b0d310fb99112789d4b6381fdaa15ff502e61d8c880c0805.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	903206282c238b32b0d310fb99112789d4b6381fdaa15ff502e61d8c880c0805.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3732	903206282c238b32b0d310fb99112789d4b6381fdaa15ff502e61d8c880c0805.exe
3732	903206282c238b32b0d310fb99112789d4b6381fdaa15ff502e61d8c880c0805.exe

C:\Users\Admin\AppData\Local\Temp\903206282c238b32b0d310fb99112789d4b6381fdaa15ff502e61d8c880c0805.exe
"C:\Users\Admin\AppData\Local\Temp\903206282c238b32b0d310fb99112789d4b6381fdaa15ff502e61d8c880c0805.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3732-0-0x00000000008E0000-0x0000000000F80000-memory.dmp

Filesize
6.6MB

Download
memory/3732-1-0x0000000077284000-0x0000000077286000-memory.dmp

Filesize
8KB

Download
memory/3732-2-0x00000000008E1000-0x00000000008F8000-memory.dmp

Filesize
92KB

Download
memory/3732-3-0x00000000008E0000-0x0000000000F80000-memory.dmp

Filesize
6.6MB

Download
memory/3732-4-0x00000000008E0000-0x0000000000F80000-memory.dmp

Filesize
6.6MB

Download