stealc | d12f2ae01dcb1dcbe9d1b5d770e98598e224700ea44cff16501aa9276ea80c24

Analysis

max time kernel
93s
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 11:47

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General

Target

d12f2ae01dcb1dcbe9d1b5d770e98598e224700ea44cff16501aa9276ea80c24.exe
Size

1.7MB
MD5

0419ec2c97b9b3be4f843b685dc437dc
SHA1

513b6b17b295588536405eeb97ec7c1109957a75
SHA256

d12f2ae01dcb1dcbe9d1b5d770e98598e224700ea44cff16501aa9276ea80c24
SHA512

9c4d102439891f0a4cc1e900fe05af2abd38bf0422bfe9afd0102971029411982407a432db5cf511ed7af836fdcbe2973e8e01a3a2b95c2d8162730a02d98473
SSDEEP

49152:CP4Otg5uy4GstHiROeye12ezRyBplbDDT:y8z4GstHiRbye3u

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__	d12f2ae01dcb1dcbe9d1b5d770e98598e224700ea44cff16501aa9276ea80c24.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	d12f2ae01dcb1dcbe9d1b5d770e98598e224700ea44cff16501aa9276ea80c24.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d12f2ae01dcb1dcbe9d1b5d770e98598e224700ea44cff16501aa9276ea80c24.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	d12f2ae01dcb1dcbe9d1b5d770e98598e224700ea44cff16501aa9276ea80c24.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1360	d12f2ae01dcb1dcbe9d1b5d770e98598e224700ea44cff16501aa9276ea80c24.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	d12f2ae01dcb1dcbe9d1b5d770e98598e224700ea44cff16501aa9276ea80c24.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1360	d12f2ae01dcb1dcbe9d1b5d770e98598e224700ea44cff16501aa9276ea80c24.exe
1360	d12f2ae01dcb1dcbe9d1b5d770e98598e224700ea44cff16501aa9276ea80c24.exe

C:\Users\Admin\AppData\Local\Temp\d12f2ae01dcb1dcbe9d1b5d770e98598e224700ea44cff16501aa9276ea80c24.exe
"C:\Users\Admin\AppData\Local\Temp\d12f2ae01dcb1dcbe9d1b5d770e98598e224700ea44cff16501aa9276ea80c24.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:1360

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/1360-0-0x00000000005E0000-0x0000000000C67000-memory.dmp

Filesize
6.5MB

Download
memory/1360-1-0x0000000076FC4000-0x0000000076FC6000-memory.dmp

Filesize
8KB

Download
memory/1360-2-0x00000000005E1000-0x00000000005F8000-memory.dmp

Filesize
92KB

Download
memory/1360-3-0x00000000005E0000-0x0000000000C67000-memory.dmp

Filesize
6.5MB

Download
memory/1360-4-0x00000000005E0000-0x0000000000C67000-memory.dmp

Filesize
6.5MB

Download