stealc | aa7218dd05b2c00fc9c452f8e1b6da4a2f7a9cc28159e885978338572389ef27

Analysis

max time kernel
95s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2025, 04:16

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General

Target

aa7218dd05b2c00fc9c452f8e1b6da4a2f7a9cc28159e885978338572389ef27.exe
Size

1.8MB
MD5

1d347b2007eb465b8a6b60e04e2f1eb1
SHA1

cab8b0c2195b530284178c584c259f3be7609459
SHA256

aa7218dd05b2c00fc9c452f8e1b6da4a2f7a9cc28159e885978338572389ef27
SHA512

964896975d7cadf336acba1779664dd2035a5693c9b03831f57ff99c7be01779bdc754e3f53c36905a88aaa75fbc6f88f01ee2cf480f1f47d033c1e921018339
SSDEEP

49152:C8Eb3WwhRSjba010L4Vjl+jnfiXuoryocesmk:apMbaAVjczIC

Score

10^/10

stealc stok defense_evasion discovery 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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	aa7218dd05b2c00fc9c452f8e1b6da4a2f7a9cc28159e885978338572389ef27.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	aa7218dd05b2c00fc9c452f8e1b6da4a2f7a9cc28159e885978338572389ef27.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	aa7218dd05b2c00fc9c452f8e1b6da4a2f7a9cc28159e885978338572389ef27.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	aa7218dd05b2c00fc9c452f8e1b6da4a2f7a9cc28159e885978338572389ef27.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3164	aa7218dd05b2c00fc9c452f8e1b6da4a2f7a9cc28159e885978338572389ef27.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	aa7218dd05b2c00fc9c452f8e1b6da4a2f7a9cc28159e885978338572389ef27.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3164	aa7218dd05b2c00fc9c452f8e1b6da4a2f7a9cc28159e885978338572389ef27.exe
3164	aa7218dd05b2c00fc9c452f8e1b6da4a2f7a9cc28159e885978338572389ef27.exe

C:\Users\Admin\AppData\Local\Temp\aa7218dd05b2c00fc9c452f8e1b6da4a2f7a9cc28159e885978338572389ef27.exe
"C:\Users\Admin\AppData\Local\Temp\aa7218dd05b2c00fc9c452f8e1b6da4a2f7a9cc28159e885978338572389ef27.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:3164

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/3164-0-0x00000000005B0000-0x0000000000C66000-memory.dmp

Filesize
6.7MB

Download
memory/3164-1-0x0000000077BD4000-0x0000000077BD6000-memory.dmp

Filesize
8KB

Download
memory/3164-2-0x00000000005B1000-0x00000000005C8000-memory.dmp

Filesize
92KB

Download
memory/3164-4-0x00000000005B0000-0x0000000000C66000-memory.dmp

Filesize
6.7MB

Download
memory/3164-5-0x00000000005B0000-0x0000000000C66000-memory.dmp

Filesize
6.7MB

Download