stealc | b10c91fd12b7b5567151a7e34dd0cb143e5872bc29a8d55a9ece880496e6c5a0

Analysis

max time kernel
93s
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, 03:26

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General

Target

b10c91fd12b7b5567151a7e34dd0cb143e5872bc29a8d55a9ece880496e6c5a0.exe
Size

1.7MB
MD5

36e1e1a01436df2ee0e34bbe5c1523fa
SHA1

b269ef00ed8e804bfda839eced70bdc9a5cf5310
SHA256

b10c91fd12b7b5567151a7e34dd0cb143e5872bc29a8d55a9ece880496e6c5a0
SHA512

3f38510cd9d1caef83347c520124e2c07ff66f50a788e85151ec01138147e61257aeecd500fc4501897c08eab4f68b5d306a9dea9f576a46430302560d73c900
SSDEEP

24576:QUaIS1pCmYdjIATpkkWRdT4/v9sk+zSWHNm9RZn5Jphpi4cqWiNGovU2A/ct:UAdnudT5Vm9RZ5nhppczdS

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__	b10c91fd12b7b5567151a7e34dd0cb143e5872bc29a8d55a9ece880496e6c5a0.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	b10c91fd12b7b5567151a7e34dd0cb143e5872bc29a8d55a9ece880496e6c5a0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b10c91fd12b7b5567151a7e34dd0cb143e5872bc29a8d55a9ece880496e6c5a0.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-1-5-21-250031470-1197856012-2659781506-1000\Software\Wine	b10c91fd12b7b5567151a7e34dd0cb143e5872bc29a8d55a9ece880496e6c5a0.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
5024	b10c91fd12b7b5567151a7e34dd0cb143e5872bc29a8d55a9ece880496e6c5a0.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	b10c91fd12b7b5567151a7e34dd0cb143e5872bc29a8d55a9ece880496e6c5a0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5024	b10c91fd12b7b5567151a7e34dd0cb143e5872bc29a8d55a9ece880496e6c5a0.exe
5024	b10c91fd12b7b5567151a7e34dd0cb143e5872bc29a8d55a9ece880496e6c5a0.exe

C:\Users\Admin\AppData\Local\Temp\b10c91fd12b7b5567151a7e34dd0cb143e5872bc29a8d55a9ece880496e6c5a0.exe
"C:\Users\Admin\AppData\Local\Temp\b10c91fd12b7b5567151a7e34dd0cb143e5872bc29a8d55a9ece880496e6c5a0.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:5024

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/5024-0-0x0000000000210000-0x000000000088A000-memory.dmp

Filesize
6.5MB

Download
memory/5024-1-0x0000000077724000-0x0000000077726000-memory.dmp

Filesize
8KB

Download
memory/5024-2-0x0000000000211000-0x0000000000228000-memory.dmp

Filesize
92KB

Download
memory/5024-3-0x0000000000210000-0x000000000088A000-memory.dmp

Filesize
6.5MB

Download
memory/5024-5-0x0000000000210000-0x000000000088A000-memory.dmp

Filesize
6.5MB

Download