stealc | 3259290c189d3a3d59ee28223294cc53e2447d81e1a01e1a5e0139be27541657

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 02:28

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General

Target

3259290c189d3a3d59ee28223294cc53e2447d81e1a01e1a5e0139be27541657.exe
Size

1.7MB
MD5

ad2614f8fc64b80170d83371df79985c
SHA1

a1cd004ba4f69b78b293fdeff44f5704482eb648
SHA256

3259290c189d3a3d59ee28223294cc53e2447d81e1a01e1a5e0139be27541657
SHA512

354b41d4ac30b6725659d17ea2e63ed50eb565aa2a5a6df98042ab1aabd6293469554e5af7b8995a78ab01506f832fb76a2e931daf2949be7e5c2ae15dfa9724
SSDEEP

49152:ihJVJIvB0kky8gxVCGk62Uza3lcpDcDoI:ihuB0kk5GCL6va3yFcV

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

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__	3259290c189d3a3d59ee28223294cc53e2447d81e1a01e1a5e0139be27541657.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	3259290c189d3a3d59ee28223294cc53e2447d81e1a01e1a5e0139be27541657.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3259290c189d3a3d59ee28223294cc53e2447d81e1a01e1a5e0139be27541657.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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	3259290c189d3a3d59ee28223294cc53e2447d81e1a01e1a5e0139be27541657.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2856	3259290c189d3a3d59ee28223294cc53e2447d81e1a01e1a5e0139be27541657.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	3259290c189d3a3d59ee28223294cc53e2447d81e1a01e1a5e0139be27541657.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2856	3259290c189d3a3d59ee28223294cc53e2447d81e1a01e1a5e0139be27541657.exe
2856	3259290c189d3a3d59ee28223294cc53e2447d81e1a01e1a5e0139be27541657.exe

C:\Users\Admin\AppData\Local\Temp\3259290c189d3a3d59ee28223294cc53e2447d81e1a01e1a5e0139be27541657.exe
"C:\Users\Admin\AppData\Local\Temp\3259290c189d3a3d59ee28223294cc53e2447d81e1a01e1a5e0139be27541657.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:2856

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/2856-0-0x0000000000720000-0x0000000000DC5000-memory.dmp

Filesize
6.6MB

Download
memory/2856-1-0x0000000077CA4000-0x0000000077CA6000-memory.dmp

Filesize
8KB

Download
memory/2856-2-0x0000000000721000-0x0000000000738000-memory.dmp

Filesize
92KB

Download
memory/2856-3-0x0000000000720000-0x0000000000DC5000-memory.dmp

Filesize
6.6MB

Download
memory/2856-5-0x0000000000720000-0x0000000000DC5000-memory.dmp

Filesize
6.6MB

Download