stealc | f0c4cd81ab87a1128667b1c96409a2469cc55af7fd914aa286f9708c21aaad54

Analysis

max time kernel
92s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-12-2024 14:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f0c4cd81ab87a1128667b1c96409a2469cc55af7fd914aa286f9708c21aaad54.exe
Size

1.7MB
MD5

d56131124b8e4e066eea0e28f52acb58
SHA1

d85cdef5646de4cfc1706a0a6ded1f3351ad5328
SHA256

f0c4cd81ab87a1128667b1c96409a2469cc55af7fd914aa286f9708c21aaad54
SHA512

23f3cf2de7e40d59fe05270451f19068506ee4de685ef5a41b243196e7e07a55bf5598eb86bed98b4b66a218c5ce97d6e5dcc685aa6b69ca31ffd333596b5959
SSDEEP

49152:hMzA3mIXOskaKccuNCJb7xsLhTK4w+1G86g:hwReOhaKcrNwSL041G86

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__	f0c4cd81ab87a1128667b1c96409a2469cc55af7fd914aa286f9708c21aaad54.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	f0c4cd81ab87a1128667b1c96409a2469cc55af7fd914aa286f9708c21aaad54.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f0c4cd81ab87a1128667b1c96409a2469cc55af7fd914aa286f9708c21aaad54.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	f0c4cd81ab87a1128667b1c96409a2469cc55af7fd914aa286f9708c21aaad54.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1624	f0c4cd81ab87a1128667b1c96409a2469cc55af7fd914aa286f9708c21aaad54.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	f0c4cd81ab87a1128667b1c96409a2469cc55af7fd914aa286f9708c21aaad54.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1624	f0c4cd81ab87a1128667b1c96409a2469cc55af7fd914aa286f9708c21aaad54.exe
1624	f0c4cd81ab87a1128667b1c96409a2469cc55af7fd914aa286f9708c21aaad54.exe

C:\Users\Admin\AppData\Local\Temp\f0c4cd81ab87a1128667b1c96409a2469cc55af7fd914aa286f9708c21aaad54.exe
"C:\Users\Admin\AppData\Local\Temp\f0c4cd81ab87a1128667b1c96409a2469cc55af7fd914aa286f9708c21aaad54.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:1624

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1624-0-0x0000000000500000-0x0000000000B91000-memory.dmp

Filesize
6.6MB

Download
memory/1624-1-0x0000000077254000-0x0000000077256000-memory.dmp

Filesize
8KB

Download
memory/1624-2-0x0000000000501000-0x0000000000518000-memory.dmp

Filesize
92KB

Download
memory/1624-3-0x0000000000500000-0x0000000000B91000-memory.dmp

Filesize
6.6MB

Download
memory/1624-4-0x0000000000500000-0x0000000000B91000-memory.dmp

Filesize
6.6MB

Download