stealc | 5827e8edc4dd0e49567bc54fc1d21089dbdb5274c9b30b78efa008d8bff46256

Analysis

max time kernel
98s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2024 22:36

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General

Target

5827e8edc4dd0e49567bc54fc1d21089dbdb5274c9b30b78efa008d8bff46256.exe
Size

1.7MB
MD5

28310e15ba4442af4bdcc9e319111527
SHA1

2d4e82da3419c161d6fb965487a887c99c01c377
SHA256

5827e8edc4dd0e49567bc54fc1d21089dbdb5274c9b30b78efa008d8bff46256
SHA512

5c8b2eeab392e1c5b9cda1e9c1418a1291fc3149c1a04e42183f42ff15c5eababd2650875c644fffb6553fd5ccab6722ee74b41343f9a050af558fea980cfb28
SSDEEP

24576:bVpf7Ep73Z0fa6l5kAmrUU7efuNwYA5mWnFPb/fK5AMEpoxxPhblwRpbvpkvz4Ig:JpM107l5kAc1eNEUaAMrxP5lJKPc6bb

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__	5827e8edc4dd0e49567bc54fc1d21089dbdb5274c9b30b78efa008d8bff46256.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	5827e8edc4dd0e49567bc54fc1d21089dbdb5274c9b30b78efa008d8bff46256.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5827e8edc4dd0e49567bc54fc1d21089dbdb5274c9b30b78efa008d8bff46256.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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	5827e8edc4dd0e49567bc54fc1d21089dbdb5274c9b30b78efa008d8bff46256.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3212	5827e8edc4dd0e49567bc54fc1d21089dbdb5274c9b30b78efa008d8bff46256.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	5827e8edc4dd0e49567bc54fc1d21089dbdb5274c9b30b78efa008d8bff46256.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3212	5827e8edc4dd0e49567bc54fc1d21089dbdb5274c9b30b78efa008d8bff46256.exe
3212	5827e8edc4dd0e49567bc54fc1d21089dbdb5274c9b30b78efa008d8bff46256.exe

C:\Users\Admin\AppData\Local\Temp\5827e8edc4dd0e49567bc54fc1d21089dbdb5274c9b30b78efa008d8bff46256.exe
"C:\Users\Admin\AppData\Local\Temp\5827e8edc4dd0e49567bc54fc1d21089dbdb5274c9b30b78efa008d8bff46256.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:3212

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/3212-0-0x0000000000AD0000-0x0000000001170000-memory.dmp

Filesize
6.6MB

Download
memory/3212-1-0x0000000077C04000-0x0000000077C06000-memory.dmp

Filesize
8KB

Download
memory/3212-2-0x0000000000AD1000-0x0000000000AE8000-memory.dmp

Filesize
92KB

Download
memory/3212-3-0x0000000000AD0000-0x0000000001170000-memory.dmp

Filesize
6.6MB

Download
memory/3212-4-0x0000000000AD0000-0x0000000001170000-memory.dmp

Filesize
6.6MB

Download