stealc | 9758f25984b30da48b2f7eb05178426a53e8cb2aa2e4484ee214920dd7f146d3

Analysis

max time kernel
15s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25/02/2025, 14:03

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General

Target

9758f25984b30da48b2f7eb05178426a53e8cb2aa2e4484ee214920dd7f146d3.exe
Size

1.7MB
MD5

607a06e4049b3b2ba632242a7c9033c4
SHA1

bfb453debd80cb9ab481c36730c9c0b2c9b41330
SHA256

9758f25984b30da48b2f7eb05178426a53e8cb2aa2e4484ee214920dd7f146d3
SHA512

25ba0fefa2b0a4a3a3878abc5c14b97a5c44b67267063c0766482456843c7b90beca4c072fffae3a7c041ec915aba0318d283699c16730c3f790a88854bc3b15
SSDEEP

49152:Cpl0dnFtpk1VPjWCkeeyqgCqUwtc8FN2tRd9tqzbvU:CpWfq5keeyqgCqUw+XXdAbvU

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__	9758f25984b30da48b2f7eb05178426a53e8cb2aa2e4484ee214920dd7f146d3.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	9758f25984b30da48b2f7eb05178426a53e8cb2aa2e4484ee214920dd7f146d3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9758f25984b30da48b2f7eb05178426a53e8cb2aa2e4484ee214920dd7f146d3.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine	9758f25984b30da48b2f7eb05178426a53e8cb2aa2e4484ee214920dd7f146d3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2420	9758f25984b30da48b2f7eb05178426a53e8cb2aa2e4484ee214920dd7f146d3.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	9758f25984b30da48b2f7eb05178426a53e8cb2aa2e4484ee214920dd7f146d3.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2420	9758f25984b30da48b2f7eb05178426a53e8cb2aa2e4484ee214920dd7f146d3.exe

C:\Users\Admin\AppData\Local\Temp\9758f25984b30da48b2f7eb05178426a53e8cb2aa2e4484ee214920dd7f146d3.exe
"C:\Users\Admin\AppData\Local\Temp\9758f25984b30da48b2f7eb05178426a53e8cb2aa2e4484ee214920dd7f146d3.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:2420

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/2420-0-0x00000000001D0000-0x000000000086A000-memory.dmp

Filesize
6.6MB

Download
memory/2420-1-0x00000000770D0000-0x00000000770D2000-memory.dmp

Filesize
8KB

Download
memory/2420-2-0x00000000001D1000-0x00000000001E8000-memory.dmp

Filesize
92KB

Download
memory/2420-3-0x00000000001D0000-0x000000000086A000-memory.dmp

Filesize
6.6MB

Download
memory/2420-4-0x00000000001D0000-0x000000000086A000-memory.dmp

Filesize
6.6MB

Download