stealc | 4040e6d92b7ed3750f7518e59eb9ad2f505f8a498784f530b6c8c81bef596c53

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/02/2025, 13:20

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General

Target

4040e6d92b7ed3750f7518e59eb9ad2f505f8a498784f530b6c8c81bef596c53.exe
Size

1.7MB
MD5

14be7508fdd7ae331473b734cd714c0a
SHA1

c6dd07e77e7772698771fbedcc1b9165bfd2a539
SHA256

4040e6d92b7ed3750f7518e59eb9ad2f505f8a498784f530b6c8c81bef596c53
SHA512

362916513e2f4d329e1fb5261d3d9f4b3732dd9ae3fdbdfafb5a86bcffa8caccee12f38b5ed5998b78a3e7b0e6492f5621d26224ed26a5444422cb281d9a80e0
SSDEEP

49152:iP8CP09ZhBNG1DE4dKO2QFrSFOS3ZY5/timbey:qnPWWVhdKOnKlJY5/tiQey

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__	4040e6d92b7ed3750f7518e59eb9ad2f505f8a498784f530b6c8c81bef596c53.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	4040e6d92b7ed3750f7518e59eb9ad2f505f8a498784f530b6c8c81bef596c53.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4040e6d92b7ed3750f7518e59eb9ad2f505f8a498784f530b6c8c81bef596c53.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	4040e6d92b7ed3750f7518e59eb9ad2f505f8a498784f530b6c8c81bef596c53.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3060	4040e6d92b7ed3750f7518e59eb9ad2f505f8a498784f530b6c8c81bef596c53.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	4040e6d92b7ed3750f7518e59eb9ad2f505f8a498784f530b6c8c81bef596c53.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3060	4040e6d92b7ed3750f7518e59eb9ad2f505f8a498784f530b6c8c81bef596c53.exe

C:\Users\Admin\AppData\Local\Temp\4040e6d92b7ed3750f7518e59eb9ad2f505f8a498784f530b6c8c81bef596c53.exe
"C:\Users\Admin\AppData\Local\Temp\4040e6d92b7ed3750f7518e59eb9ad2f505f8a498784f530b6c8c81bef596c53.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:3060

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/3060-0-0x00000000000B0000-0x0000000000743000-memory.dmp

Filesize
6.6MB

Download
memory/3060-1-0x0000000077D20000-0x0000000077D22000-memory.dmp

Filesize
8KB

Download
memory/3060-2-0x00000000000B1000-0x00000000000C8000-memory.dmp

Filesize
92KB

Download
memory/3060-3-0x00000000000B0000-0x0000000000743000-memory.dmp

Filesize
6.6MB

Download
memory/3060-4-0x00000000000B0000-0x0000000000743000-memory.dmp

Filesize
6.6MB

Download