stealc | 8322a44670cbd2777cb4a30b3a37084efdbf6e618d85f456a57bb9c605647a84

Analysis

max time kernel
94s
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 20:13

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General

Target

8322a44670cbd2777cb4a30b3a37084efdbf6e618d85f456a57bb9c605647a84.exe
Size

1.8MB
MD5

78d23c45eca75abc599a988ae73c156a
SHA1

47704600693b5f34a38d04afbdd1c124aabc46d6
SHA256

8322a44670cbd2777cb4a30b3a37084efdbf6e618d85f456a57bb9c605647a84
SHA512

d25a27738be4c8be8b64583a11e78ccbf17315108c2f98d1b4c9fbc7d10b92d5eba0dc0d86da31e6dbe8c5365d02d21264ae6b9f3959d655c1a3666b7292a6f8
SSDEEP

49152:hFWjjfWaEwo8Z4I1RFNPWUY66YbHA79sNVjCGHC:7aEwo8ZpWmLjCG

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__	8322a44670cbd2777cb4a30b3a37084efdbf6e618d85f456a57bb9c605647a84.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	8322a44670cbd2777cb4a30b3a37084efdbf6e618d85f456a57bb9c605647a84.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8322a44670cbd2777cb4a30b3a37084efdbf6e618d85f456a57bb9c605647a84.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	8322a44670cbd2777cb4a30b3a37084efdbf6e618d85f456a57bb9c605647a84.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2780	8322a44670cbd2777cb4a30b3a37084efdbf6e618d85f456a57bb9c605647a84.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	8322a44670cbd2777cb4a30b3a37084efdbf6e618d85f456a57bb9c605647a84.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2780	8322a44670cbd2777cb4a30b3a37084efdbf6e618d85f456a57bb9c605647a84.exe
2780	8322a44670cbd2777cb4a30b3a37084efdbf6e618d85f456a57bb9c605647a84.exe

C:\Users\Admin\AppData\Local\Temp\8322a44670cbd2777cb4a30b3a37084efdbf6e618d85f456a57bb9c605647a84.exe
"C:\Users\Admin\AppData\Local\Temp\8322a44670cbd2777cb4a30b3a37084efdbf6e618d85f456a57bb9c605647a84.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:2780

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/2780-0-0x00000000006B0000-0x0000000000D66000-memory.dmp

Filesize
6.7MB

Download
memory/2780-1-0x0000000077134000-0x0000000077136000-memory.dmp

Filesize
8KB

Download
memory/2780-2-0x00000000006B1000-0x00000000006C8000-memory.dmp

Filesize
92KB

Download
memory/2780-3-0x00000000006B0000-0x0000000000D66000-memory.dmp

Filesize
6.7MB

Download
memory/2780-4-0x00000000006B0000-0x0000000000D66000-memory.dmp

Filesize
6.7MB

Download