stealc | 1e35eb7e6634895580ffe5387e5ced801ecc958728e154c46f3d3baf52d98e53

Analysis

max time kernel
119s
max time network
145s
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, 10:44

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General

Target

1e35eb7e6634895580ffe5387e5ced801ecc958728e154c46f3d3baf52d98e53.exe
Size

1.7MB
MD5

10daa13710e19a2a7a2e4a546f11c981
SHA1

c08c355e44b7ee4b97e9dcab961597cfe93332cb
SHA256

1e35eb7e6634895580ffe5387e5ced801ecc958728e154c46f3d3baf52d98e53
SHA512

e577092f3f8c2839f5e9d4e609cd3b3f3e993d25bdb2985bd209e634528489d1a3e3eb3ee9ad9d70997be38b99d71faba39df47f36f9f35f76b924e644960bd8
SSDEEP

24576:qfVdHKMrfECiD+Vj4bL0CBaOvcjU1MficrHRMLr1/5sV1trF5u0n3iP6HGNbmXFx:qf/q8iDcjO0CBTcA6MLJBG1nyP4Lj

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__	1e35eb7e6634895580ffe5387e5ced801ecc958728e154c46f3d3baf52d98e53.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\VideoBiosVersion	1e35eb7e6634895580ffe5387e5ced801ecc958728e154c46f3d3baf52d98e53.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	1e35eb7e6634895580ffe5387e5ced801ecc958728e154c46f3d3baf52d98e53.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	1e35eb7e6634895580ffe5387e5ced801ecc958728e154c46f3d3baf52d98e53.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1836	1e35eb7e6634895580ffe5387e5ced801ecc958728e154c46f3d3baf52d98e53.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	1e35eb7e6634895580ffe5387e5ced801ecc958728e154c46f3d3baf52d98e53.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1836	1e35eb7e6634895580ffe5387e5ced801ecc958728e154c46f3d3baf52d98e53.exe
1836	1e35eb7e6634895580ffe5387e5ced801ecc958728e154c46f3d3baf52d98e53.exe

C:\Users\Admin\AppData\Local\Temp\1e35eb7e6634895580ffe5387e5ced801ecc958728e154c46f3d3baf52d98e53.exe
"C:\Users\Admin\AppData\Local\Temp\1e35eb7e6634895580ffe5387e5ced801ecc958728e154c46f3d3baf52d98e53.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:1836

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/1836-0-0x0000000000CD0000-0x0000000001367000-memory.dmp

Filesize
6.6MB

Download
memory/1836-1-0x0000000077C94000-0x0000000077C96000-memory.dmp

Filesize
8KB

Download
memory/1836-2-0x0000000000CD1000-0x0000000000CE8000-memory.dmp

Filesize
92KB

Download
memory/1836-3-0x0000000000CD0000-0x0000000001367000-memory.dmp

Filesize
6.6MB

Download
memory/1836-4-0x0000000000CD0000-0x0000000001367000-memory.dmp

Filesize
6.6MB

Download