stealc | 4d654f4e41fd64d0a4470aa31318f217ce7b7bc8568322cd424e8cd59a64baa8

Analysis

max time kernel
92s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
20/02/2025, 13:55

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General

Target

4d654f4e41fd64d0a4470aa31318f217ce7b7bc8568322cd424e8cd59a64baa8.exe
Size

1.7MB
MD5

c8baa18c7556f67e49f36786d1a8c379
SHA1

e996973479d5359a7f63a6e73c2e2c0c6f879319
SHA256

4d654f4e41fd64d0a4470aa31318f217ce7b7bc8568322cd424e8cd59a64baa8
SHA512

3082e0bb3caf5235a0850f07c5004eeab25f780f1febe8c250d2bb680b28fcd16418f5493ed0d3d77cebcb6599667fd2153613f1f29d854767dd1016a0404da3
SSDEEP

24576:BKGNz1Qa6Vf0BSAkv3lowbz4Af+CHfMuVa4sTVKLf/sSqJzb9UQp0vZ1+fFLm5E4:dQa6VcE5v3lowvNrbrb0SqJtnFqE8W+

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__	4d654f4e41fd64d0a4470aa31318f217ce7b7bc8568322cd424e8cd59a64baa8.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	4d654f4e41fd64d0a4470aa31318f217ce7b7bc8568322cd424e8cd59a64baa8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4d654f4e41fd64d0a4470aa31318f217ce7b7bc8568322cd424e8cd59a64baa8.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-1-5-21-925314154-1797147466-1467878628-1000\Software\Wine	4d654f4e41fd64d0a4470aa31318f217ce7b7bc8568322cd424e8cd59a64baa8.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3012	4d654f4e41fd64d0a4470aa31318f217ce7b7bc8568322cd424e8cd59a64baa8.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	4d654f4e41fd64d0a4470aa31318f217ce7b7bc8568322cd424e8cd59a64baa8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3012	4d654f4e41fd64d0a4470aa31318f217ce7b7bc8568322cd424e8cd59a64baa8.exe
3012	4d654f4e41fd64d0a4470aa31318f217ce7b7bc8568322cd424e8cd59a64baa8.exe

C:\Users\Admin\AppData\Local\Temp\4d654f4e41fd64d0a4470aa31318f217ce7b7bc8568322cd424e8cd59a64baa8.exe
"C:\Users\Admin\AppData\Local\Temp\4d654f4e41fd64d0a4470aa31318f217ce7b7bc8568322cd424e8cd59a64baa8.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:3012

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/3012-0-0x0000000000200000-0x0000000000895000-memory.dmp

Filesize
6.6MB

Download
memory/3012-1-0x0000000077034000-0x0000000077036000-memory.dmp

Filesize
8KB

Download
memory/3012-2-0x0000000000201000-0x0000000000218000-memory.dmp

Filesize
92KB

Download
memory/3012-3-0x0000000000200000-0x0000000000895000-memory.dmp

Filesize
6.6MB

Download
memory/3012-4-0x0000000000200000-0x0000000000895000-memory.dmp

Filesize
6.6MB

Download