stealc | 1afe1073433815ed1a944b24b9b09033b1b29e7e69b0e7e62b4ea274e4ca049a

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
19/02/2025, 18:38

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General

Target

1afe1073433815ed1a944b24b9b09033b1b29e7e69b0e7e62b4ea274e4ca049a.exe
Size

1.8MB
MD5

9c838fe8023685e8b163103ac7879eb3
SHA1

2073cf79d8a6fcafa2c1def3215cdb79a5457c24
SHA256

1afe1073433815ed1a944b24b9b09033b1b29e7e69b0e7e62b4ea274e4ca049a
SHA512

43d02952b0d358fe6df8660ceb573d5673f088f1c88baacd8824fd36fda369401f4abb182ab67498f10bb358970f9dfffc606b9037cde222ea03f40eb38cd010
SSDEEP

49152:QX1aRrlUe5P+Z6Vadu1JCO2nHgqLPOCpNAh3dD/U0wUl:Gu2yWsVad0JF23Q9tJ

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__	1afe1073433815ed1a944b24b9b09033b1b29e7e69b0e7e62b4ea274e4ca049a.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	1afe1073433815ed1a944b24b9b09033b1b29e7e69b0e7e62b4ea274e4ca049a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1afe1073433815ed1a944b24b9b09033b1b29e7e69b0e7e62b4ea274e4ca049a.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-1-5-21-3181990009-820930284-137514597-1000\Software\Wine	1afe1073433815ed1a944b24b9b09033b1b29e7e69b0e7e62b4ea274e4ca049a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4312	1afe1073433815ed1a944b24b9b09033b1b29e7e69b0e7e62b4ea274e4ca049a.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	1afe1073433815ed1a944b24b9b09033b1b29e7e69b0e7e62b4ea274e4ca049a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4312	1afe1073433815ed1a944b24b9b09033b1b29e7e69b0e7e62b4ea274e4ca049a.exe
4312	1afe1073433815ed1a944b24b9b09033b1b29e7e69b0e7e62b4ea274e4ca049a.exe

C:\Users\Admin\AppData\Local\Temp\1afe1073433815ed1a944b24b9b09033b1b29e7e69b0e7e62b4ea274e4ca049a.exe
"C:\Users\Admin\AppData\Local\Temp\1afe1073433815ed1a944b24b9b09033b1b29e7e69b0e7e62b4ea274e4ca049a.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:4312

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/4312-0-0x0000000000400000-0x0000000000AAA000-memory.dmp

Filesize
6.7MB

Download
memory/4312-1-0x0000000077884000-0x0000000077886000-memory.dmp

Filesize
8KB

Download
memory/4312-2-0x0000000000401000-0x0000000000418000-memory.dmp

Filesize
92KB

Download
memory/4312-3-0x0000000000400000-0x0000000000AAA000-memory.dmp

Filesize
6.7MB

Download
memory/4312-4-0x0000000000400000-0x0000000000AAA000-memory.dmp

Filesize
6.7MB

Download