stealc | 0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558

Analysis

max time kernel
140s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2025, 11:20

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General

Target

0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558.exe
Size

1.7MB
MD5

0b31ced095cd56779e9364a9fde0e38d
SHA1

74c8c92bb500637eb311394040fa318e0ec8719f
SHA256

0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558
SHA512

a0586bd672669d881dc38b0b0d3c35c87f5388b197a89c530ade459116ffdc549fea0fa0f73193c266d848d3318c1f94507cad71d13dc06319ee1ca8b94473fd
SSDEEP

49152:frTxjerrEXthc01DYXzaIZZSUZw46E5S0SaLh3VYoL:0g9hoaOvJ5S0SwJ9

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__	0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558.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	0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558.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-1-5-21-1294999112-580688058-1763548717-1000\Software\Wine	0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1388	0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558.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	0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1388	0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558.exe
1388	0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558.exe

C:\Users\Admin\AppData\Local\Temp\0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558.exe
"C:\Users\Admin\AppData\Local\Temp\0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558.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:1388

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/1388-0-0x00000000003F0000-0x0000000000A88000-memory.dmp

Filesize
6.6MB

Download
memory/1388-1-0x0000000077594000-0x0000000077596000-memory.dmp

Filesize
8KB

Download
memory/1388-2-0x00000000003F1000-0x0000000000408000-memory.dmp

Filesize
92KB

Download
memory/1388-3-0x00000000003F0000-0x0000000000A88000-memory.dmp

Filesize
6.6MB

Download
memory/1388-4-0x00000000003F0000-0x0000000000A88000-memory.dmp

Filesize
6.6MB

Download