stealc | 63f607b4cd4804876dd817163529180a18a30245aefc92e1ea79eaea6348a121

Analysis

max time kernel
150s
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
12-12-2024 20:18

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General

Target

63f607b4cd4804876dd817163529180a18a30245aefc92e1ea79eaea6348a121.exe
Size

1.7MB
MD5

98c5024a596c5c548d36bc33ae113a73
SHA1

b30aefb89057c1c6bab845df896777bc97230ae3
SHA256

63f607b4cd4804876dd817163529180a18a30245aefc92e1ea79eaea6348a121
SHA512

d6853305f9f26a09e98ad270498d57f52a604667984c754c3f7aab5d5f3270416e25e9c328981d63b2675c661da5f454c290cf291c932338593ae80f8e85fc9d
SSDEEP

49152:znEM/Nj3KS2E15vA2WKxdbKpFSwbTpTe:LEKLwEHI2TbKpEoFT

Score

10^/10

stealc stok discovery evasion 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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	63f607b4cd4804876dd817163529180a18a30245aefc92e1ea79eaea6348a121.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	63f607b4cd4804876dd817163529180a18a30245aefc92e1ea79eaea6348a121.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	63f607b4cd4804876dd817163529180a18a30245aefc92e1ea79eaea6348a121.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.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	63f607b4cd4804876dd817163529180a18a30245aefc92e1ea79eaea6348a121.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4028	63f607b4cd4804876dd817163529180a18a30245aefc92e1ea79eaea6348a121.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	63f607b4cd4804876dd817163529180a18a30245aefc92e1ea79eaea6348a121.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4028	63f607b4cd4804876dd817163529180a18a30245aefc92e1ea79eaea6348a121.exe
4028	63f607b4cd4804876dd817163529180a18a30245aefc92e1ea79eaea6348a121.exe

C:\Users\Admin\AppData\Local\Temp\63f607b4cd4804876dd817163529180a18a30245aefc92e1ea79eaea6348a121.exe
"C:\Users\Admin\AppData\Local\Temp\63f607b4cd4804876dd817163529180a18a30245aefc92e1ea79eaea6348a121.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:4028

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/4028-0-0x00000000002A0000-0x0000000000928000-memory.dmp

Filesize
6.5MB

Download
memory/4028-1-0x00000000779D4000-0x00000000779D6000-memory.dmp

Filesize
8KB

Download
memory/4028-2-0x00000000002A1000-0x00000000002B8000-memory.dmp

Filesize
92KB

Download
memory/4028-3-0x00000000002A0000-0x0000000000928000-memory.dmp

Filesize
6.5MB

Download
memory/4028-4-0x00000000002A0000-0x0000000000928000-memory.dmp

Filesize
6.5MB

Download