stealc | 163b29501deb75a5b130237c592b36ffe896ba69fe58f67607a081d06b0e858b

Analysis

max time kernel
94s
max time network
126s
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

163b29501deb75a5b130237c592b36ffe896ba69fe58f67607a081d06b0e858b.exe
Size

1.7MB
MD5

4c43632a7295941507a54634f2e08c0c
SHA1

ecf01d4365fcfbb8132d2f52386d418f33e0885f
SHA256

163b29501deb75a5b130237c592b36ffe896ba69fe58f67607a081d06b0e858b
SHA512

257e2473d4f325fa3f273dab903878c8287359a7c9091cb15f3cfe5f9dc3a6c6e34594129460e61bb13b10cc19d44b355b67555032caa884e37334e16c7c5c72
SSDEEP

49152:138hK1TuRs1UQyGrm5Je/8JPlPCpB8FoXYFAN:1aKPUQfyTlafkdFAN

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__	163b29501deb75a5b130237c592b36ffe896ba69fe58f67607a081d06b0e858b.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	163b29501deb75a5b130237c592b36ffe896ba69fe58f67607a081d06b0e858b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	163b29501deb75a5b130237c592b36ffe896ba69fe58f67607a081d06b0e858b.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	163b29501deb75a5b130237c592b36ffe896ba69fe58f67607a081d06b0e858b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4480	163b29501deb75a5b130237c592b36ffe896ba69fe58f67607a081d06b0e858b.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	163b29501deb75a5b130237c592b36ffe896ba69fe58f67607a081d06b0e858b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4480	163b29501deb75a5b130237c592b36ffe896ba69fe58f67607a081d06b0e858b.exe
4480	163b29501deb75a5b130237c592b36ffe896ba69fe58f67607a081d06b0e858b.exe

C:\Users\Admin\AppData\Local\Temp\163b29501deb75a5b130237c592b36ffe896ba69fe58f67607a081d06b0e858b.exe
"C:\Users\Admin\AppData\Local\Temp\163b29501deb75a5b130237c592b36ffe896ba69fe58f67607a081d06b0e858b.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:4480

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

Replay Monitor

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Downloads

memory/4480-0-0x0000000000D20000-0x00000000013A8000-memory.dmp

Filesize
6.5MB

Download
memory/4480-1-0x0000000077324000-0x0000000077326000-memory.dmp

Filesize
8KB

Download
memory/4480-2-0x0000000000D21000-0x0000000000D38000-memory.dmp

Filesize
92KB

Download
memory/4480-3-0x0000000000D20000-0x00000000013A8000-memory.dmp

Filesize
6.5MB

Download
memory/4480-4-0x0000000000D20000-0x00000000013A8000-memory.dmp

Filesize
6.5MB

Download