stealc | a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 03:09

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General

Target

a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe
Size

1.7MB
MD5

ded5d8a114b9d590deb2160ebeaf53f5
SHA1

bdd295a3fd9fbe59c07a5225d0abeb1016e55187
SHA256

a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12
SHA512

9051229e9217c3142717b538eb14fdebf3d0d8c0a03b2fa5b1309c2ef391a11ed65e122c10c7efcf51568d87bd5942d8a3a6da3dba3f86a703785e525dcb1ddc
SSDEEP

24576:Mu0VRDVFXFHaQXmpppruvy6LOVSerZ8je+l8KRK863GEtv9cgFwUwzl3kId:MuSRh9BaQXGruaA8Seai+ltaGebwZ3

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

Processes:

a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.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

Processes:

a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.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

Processes:

a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe

pid process

2932 a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe

pid	process
2932	a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.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

Processes:

a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe

pid process

2932 a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe

pid	process
2932	a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe

C:\Users\Admin\AppData\Local\Temp\a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.exe
"C:\Users\Admin\AppData\Local\Temp\a219181616f63c8b8754c20c54b64d31f2d0f87f47d763a783ebe8b6b00bcd12.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:2932

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/2932-0-0x0000000000E60000-0x00000000014F9000-memory.dmp

Filesize
6.6MB

Download
memory/2932-1-0x0000000077CB0000-0x0000000077CB2000-memory.dmp

Filesize
8KB

Download
memory/2932-2-0x0000000000E61000-0x0000000000E78000-memory.dmp

Filesize
92KB

Download
memory/2932-3-0x0000000000E60000-0x00000000014F9000-memory.dmp

Filesize
6.6MB

Download
memory/2932-5-0x0000000000E60000-0x00000000014F9000-memory.dmp

Filesize
6.6MB

Download