stealc | 1314267a5983795475a4b0a8469890c111d961fa4f8cf3215125f324fc253924

Analysis

max time kernel
150s
max time network
154s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250207-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250207-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
09-02-2025 17:40

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General

Target

random.exe
Size

1.7MB
MD5

adb822a9a629882b5444563cf0b010df
SHA1

61a18bdd091861019b3ff17d121799696aac4510
SHA256

1314267a5983795475a4b0a8469890c111d961fa4f8cf3215125f324fc253924
SHA512

d31b575820ff095fe363a2b13905019216f317a1c883d724be9f576ea88dee2b10fa42aa39517c5f9a98633028f743c58d4199977ac90671535a87ca258dd73b
SSDEEP

24576:2kQzIcT6qOn1oYgttje1LkKTvtxECuu9sKM4bmdiHkbkR1dVh1rzTc7nxyi8xTqv:2krsn2+L6kiwCJM0mdiqkRrBiyiBl/

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__	random.exe

Downloads MZ/PE file 2 IoCs

flow	pid	Process
29	2932	Process not Found
33	1400	Process not Found

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	random.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	random.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-1-5-21-28130017-4025710482-1759186147-1000\Software\Wine	random.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4892	random.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	random.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
896	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4892	random.exe
4892	random.exe

C:\Users\Admin\AppData\Local\Temp\random.exe
"C:\Users\Admin\AppData\Local\Temp\random.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:4892

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-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
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:896

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4892-0-0x0000000000820000-0x0000000000EB9000-memory.dmp

Filesize
6.6MB

Download
memory/4892-1-0x0000000077785000-0x0000000077787000-memory.dmp

Filesize
8KB

Download
memory/4892-2-0x0000000000821000-0x0000000000838000-memory.dmp

Filesize
92KB

Download
memory/4892-3-0x0000000000820000-0x0000000000EB9000-memory.dmp

Filesize
6.6MB

Download
memory/4892-4-0x0000000000820000-0x0000000000EB9000-memory.dmp

Filesize
6.6MB

Download