stealc | 5dcb96f397939cb9c1fe8ec8c0f957e854ba1b4262c06f8775d1e2c20095e51f

Analysis

max time kernel
91s
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
26/02/2025, 16:25

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General

Target

5dcb96f397939cb9c1fe8ec8c0f957e854ba1b4262c06f8775d1e2c20095e51f.exe
Size

1.8MB
MD5

07b4ca58ce858d43a121876e68fa3c16
SHA1

8cf1a2b67321e3cc04020d99697c8939eea59e4c
SHA256

5dcb96f397939cb9c1fe8ec8c0f957e854ba1b4262c06f8775d1e2c20095e51f
SHA512

c99bc033df0c2c4ae248fbf3c6d6bc942441c5195e173caba1aaf2da9bafa490e5d2c12a09828c03b7ebf9f8ce1301c50bc36efd4a0484bd7ce632626f0aa594
SSDEEP

49152:JhDytWUZtOYnozzhyrG7DBC1sTrbLLta2QunI10pBc7p:j2WUZtXozzhSGXjfLLtaqI10pa

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__	5dcb96f397939cb9c1fe8ec8c0f957e854ba1b4262c06f8775d1e2c20095e51f.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	5dcb96f397939cb9c1fe8ec8c0f957e854ba1b4262c06f8775d1e2c20095e51f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	5dcb96f397939cb9c1fe8ec8c0f957e854ba1b4262c06f8775d1e2c20095e51f.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-1-5-21-1874072718-2205492803-118941907-1000\Software\Wine	5dcb96f397939cb9c1fe8ec8c0f957e854ba1b4262c06f8775d1e2c20095e51f.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3612	5dcb96f397939cb9c1fe8ec8c0f957e854ba1b4262c06f8775d1e2c20095e51f.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	5dcb96f397939cb9c1fe8ec8c0f957e854ba1b4262c06f8775d1e2c20095e51f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3612	5dcb96f397939cb9c1fe8ec8c0f957e854ba1b4262c06f8775d1e2c20095e51f.exe
3612	5dcb96f397939cb9c1fe8ec8c0f957e854ba1b4262c06f8775d1e2c20095e51f.exe

C:\Users\Admin\AppData\Local\Temp\5dcb96f397939cb9c1fe8ec8c0f957e854ba1b4262c06f8775d1e2c20095e51f.exe
"C:\Users\Admin\AppData\Local\Temp\5dcb96f397939cb9c1fe8ec8c0f957e854ba1b4262c06f8775d1e2c20095e51f.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:3612

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/3612-0-0x0000000000010000-0x00000000006C1000-memory.dmp

Filesize
6.7MB

Download
memory/3612-1-0x0000000077464000-0x0000000077466000-memory.dmp

Filesize
8KB

Download
memory/3612-2-0x0000000000011000-0x0000000000028000-memory.dmp

Filesize
92KB

Download
memory/3612-3-0x0000000000010000-0x00000000006C1000-memory.dmp

Filesize
6.7MB

Download
memory/3612-4-0x0000000000010000-0x00000000006C1000-memory.dmp

Filesize
6.7MB

Download