stealc | b8ce9dfa1752f05cce2e94dbc602a8941b4dc19b2cb59e40648128be94e87e9a

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/02/2025, 11:04

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General

Target

b8ce9dfa1752f05cce2e94dbc602a8941b4dc19b2cb59e40648128be94e87e9a.exe
Size

1.7MB
MD5

14d5510ea528ed0a75e6ac7b8bb2bb54
SHA1

13ddc8a0e98ce395a11a880e632593b138d2fc44
SHA256

b8ce9dfa1752f05cce2e94dbc602a8941b4dc19b2cb59e40648128be94e87e9a
SHA512

2ab9a2681390d1a778d6be1c02d868b626a44d0fd8062e93661e91a6027e06595e6a89a2b8d7ce5cd8720d3c7c05d009bd90ea776e74439086fd8abdd738956e
SSDEEP

49152:YlcPgX3J7A4UJrQ2UbQbxT9FLjBIDIIVP+NhLo81x1G:8R3J7yz3tjBXIVWbl1x1G

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__	b8ce9dfa1752f05cce2e94dbc602a8941b4dc19b2cb59e40648128be94e87e9a.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	b8ce9dfa1752f05cce2e94dbc602a8941b4dc19b2cb59e40648128be94e87e9a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b8ce9dfa1752f05cce2e94dbc602a8941b4dc19b2cb59e40648128be94e87e9a.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	b8ce9dfa1752f05cce2e94dbc602a8941b4dc19b2cb59e40648128be94e87e9a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2280	b8ce9dfa1752f05cce2e94dbc602a8941b4dc19b2cb59e40648128be94e87e9a.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	b8ce9dfa1752f05cce2e94dbc602a8941b4dc19b2cb59e40648128be94e87e9a.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2280	b8ce9dfa1752f05cce2e94dbc602a8941b4dc19b2cb59e40648128be94e87e9a.exe

C:\Users\Admin\AppData\Local\Temp\b8ce9dfa1752f05cce2e94dbc602a8941b4dc19b2cb59e40648128be94e87e9a.exe
"C:\Users\Admin\AppData\Local\Temp\b8ce9dfa1752f05cce2e94dbc602a8941b4dc19b2cb59e40648128be94e87e9a.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:2280

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/2280-0-0x0000000000C60000-0x00000000012F0000-memory.dmp

Filesize
6.6MB

Download
memory/2280-1-0x0000000077720000-0x0000000077722000-memory.dmp

Filesize
8KB

Download
memory/2280-2-0x0000000000C61000-0x0000000000C78000-memory.dmp

Filesize
92KB

Download
memory/2280-3-0x0000000000C60000-0x00000000012F0000-memory.dmp

Filesize
6.6MB

Download
memory/2280-4-0x0000000000C60000-0x00000000012F0000-memory.dmp

Filesize
6.6MB

Download