stealc | dc88c823acf5b84907e3a8bdd9dd6da3a59ef9a6ec1a096c529e35d1c3ce7eea

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2025 18:47

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General

Target

dc88c823acf5b84907e3a8bdd9dd6da3a59ef9a6ec1a096c529e35d1c3ce7eea.exe
Size

1.8MB
MD5

24e07e866914d29c82ef5c78ba62db5a
SHA1

16e6940333d37038ad0e889f90d0bcb519c88359
SHA256

dc88c823acf5b84907e3a8bdd9dd6da3a59ef9a6ec1a096c529e35d1c3ce7eea
SHA512

7f2f992beb295a0887f13dca93d26e5ad1a01c934aa03ba948105b1529659ebd1e98fb78c25db16c7d9f38057d76ada72b433db72d87893caf0e5d6a3531d4cf
SSDEEP

24576:/oATYPTgrXvwZrD9+Vrm9qWoYe13rnB7d05PVAXgG4FxRZn3KsmiFTRWyGkeUws/:/T3TwmrkQhb7d05NAXg7xuidk/ib/JI

Score

10^/10

stealc stok defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

http://185.215.113.206

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__	dc88c823acf5b84907e3a8bdd9dd6da3a59ef9a6ec1a096c529e35d1c3ce7eea.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	dc88c823acf5b84907e3a8bdd9dd6da3a59ef9a6ec1a096c529e35d1c3ce7eea.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	dc88c823acf5b84907e3a8bdd9dd6da3a59ef9a6ec1a096c529e35d1c3ce7eea.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-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	dc88c823acf5b84907e3a8bdd9dd6da3a59ef9a6ec1a096c529e35d1c3ce7eea.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3204	dc88c823acf5b84907e3a8bdd9dd6da3a59ef9a6ec1a096c529e35d1c3ce7eea.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	dc88c823acf5b84907e3a8bdd9dd6da3a59ef9a6ec1a096c529e35d1c3ce7eea.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3204	dc88c823acf5b84907e3a8bdd9dd6da3a59ef9a6ec1a096c529e35d1c3ce7eea.exe
3204	dc88c823acf5b84907e3a8bdd9dd6da3a59ef9a6ec1a096c529e35d1c3ce7eea.exe

C:\Users\Admin\AppData\Local\Temp\dc88c823acf5b84907e3a8bdd9dd6da3a59ef9a6ec1a096c529e35d1c3ce7eea.exe
"C:\Users\Admin\AppData\Local\Temp\dc88c823acf5b84907e3a8bdd9dd6da3a59ef9a6ec1a096c529e35d1c3ce7eea.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:3204

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/3204-0-0x00000000001C0000-0x000000000086E000-memory.dmp

Filesize
6.7MB

Download
memory/3204-1-0x0000000077B04000-0x0000000077B06000-memory.dmp

Filesize
8KB

Download
memory/3204-2-0x00000000001C1000-0x00000000001D8000-memory.dmp

Filesize
92KB

Download
memory/3204-4-0x00000000001C0000-0x000000000086E000-memory.dmp

Filesize
6.7MB

Download
memory/3204-5-0x00000000001C0000-0x000000000086E000-memory.dmp

Filesize
6.7MB

Download