stealc | c8ff162d507a41ad65f1b9ed2050b6d1ded12e8afc05b5e4a7f5baf7c67d730a

Analysis

max time kernel
15s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
14-12-2024 01:32

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General

Target

09acda2ae96842b185bc2bba0ed272ed96beb6b91bc1b1ffb893091fa483ffa6.exe
Size

1.7MB
MD5

915a78a8cd413391985cf09a21158660
SHA1

bf693ed6635bc28f14ee602a35b79af3b336a704
SHA256

09acda2ae96842b185bc2bba0ed272ed96beb6b91bc1b1ffb893091fa483ffa6
SHA512

37bd411c0eb736123c095fe3827f2a29b05fcade3ff3648b2208246715b4a39e08f763a191fe13d58239ac7eeab7804cc6ae7e1c2600e720af7b7352db6a6adf
SSDEEP

49152:/5LbeQCEGMU6Kl57uelHzuuIlzZErCh9DQbHB:BbsEPU6KmsiZ269O

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__	09acda2ae96842b185bc2bba0ed272ed96beb6b91bc1b1ffb893091fa483ffa6.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	09acda2ae96842b185bc2bba0ed272ed96beb6b91bc1b1ffb893091fa483ffa6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	09acda2ae96842b185bc2bba0ed272ed96beb6b91bc1b1ffb893091fa483ffa6.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	09acda2ae96842b185bc2bba0ed272ed96beb6b91bc1b1ffb893091fa483ffa6.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
816	09acda2ae96842b185bc2bba0ed272ed96beb6b91bc1b1ffb893091fa483ffa6.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	09acda2ae96842b185bc2bba0ed272ed96beb6b91bc1b1ffb893091fa483ffa6.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
816	09acda2ae96842b185bc2bba0ed272ed96beb6b91bc1b1ffb893091fa483ffa6.exe

C:\Users\Admin\AppData\Local\Temp\09acda2ae96842b185bc2bba0ed272ed96beb6b91bc1b1ffb893091fa483ffa6.exe
"C:\Users\Admin\AppData\Local\Temp\09acda2ae96842b185bc2bba0ed272ed96beb6b91bc1b1ffb893091fa483ffa6.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:816

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/816-0-0x0000000000B30000-0x00000000011C8000-memory.dmp

Filesize
6.6MB

Download
memory/816-1-0x00000000774D0000-0x00000000774D2000-memory.dmp

Filesize
8KB

Download
memory/816-3-0x0000000000B30000-0x00000000011C8000-memory.dmp

Filesize
6.6MB

Download
memory/816-2-0x0000000000B31000-0x0000000000B48000-memory.dmp

Filesize
92KB

Download
memory/816-5-0x0000000000B30000-0x00000000011C8000-memory.dmp

Filesize
6.6MB

Download