stealc | 3273a28282c9bb96a6355c4bac2ec26dbf6711ce24a0ec2213b1e08087ecfc62

Analysis

max time kernel
93s
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
16-12-2024 13:27

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General

Target

3273a28282c9bb96a6355c4bac2ec26dbf6711ce24a0ec2213b1e08087ecfc62.exe
Size

1.7MB
MD5

87e63bbbf528355861c2f28f5c751e76
SHA1

8e1038641ed17b8ac3951ee56f279672a8b2816b
SHA256

3273a28282c9bb96a6355c4bac2ec26dbf6711ce24a0ec2213b1e08087ecfc62
SHA512

a55b3fb4a4d9613d21aa354b040e7868591de3835836363bdc12f613347ed0d642fe984944725c3d56c0f02fe9a102c5d7f4d9bc898395166104b404abc49018
SSDEEP

49152:2sED6czt4D0NbzbLvJ0cMan5MHuFBf9XTHJhB+U0Pet:2sEvnHGq5MHujf9XFh0U06

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__	3273a28282c9bb96a6355c4bac2ec26dbf6711ce24a0ec2213b1e08087ecfc62.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	3273a28282c9bb96a6355c4bac2ec26dbf6711ce24a0ec2213b1e08087ecfc62.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3273a28282c9bb96a6355c4bac2ec26dbf6711ce24a0ec2213b1e08087ecfc62.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-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	3273a28282c9bb96a6355c4bac2ec26dbf6711ce24a0ec2213b1e08087ecfc62.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
100	3273a28282c9bb96a6355c4bac2ec26dbf6711ce24a0ec2213b1e08087ecfc62.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	3273a28282c9bb96a6355c4bac2ec26dbf6711ce24a0ec2213b1e08087ecfc62.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
100	3273a28282c9bb96a6355c4bac2ec26dbf6711ce24a0ec2213b1e08087ecfc62.exe
100	3273a28282c9bb96a6355c4bac2ec26dbf6711ce24a0ec2213b1e08087ecfc62.exe

C:\Users\Admin\AppData\Local\Temp\3273a28282c9bb96a6355c4bac2ec26dbf6711ce24a0ec2213b1e08087ecfc62.exe
"C:\Users\Admin\AppData\Local\Temp\3273a28282c9bb96a6355c4bac2ec26dbf6711ce24a0ec2213b1e08087ecfc62.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:100

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/100-0-0x00000000005A0000-0x0000000000C24000-memory.dmp

Filesize
6.5MB

Download
memory/100-1-0x0000000077064000-0x0000000077066000-memory.dmp

Filesize
8KB

Download
memory/100-2-0x00000000005A1000-0x00000000005B8000-memory.dmp

Filesize
92KB

Download
memory/100-3-0x00000000005A0000-0x0000000000C24000-memory.dmp

Filesize
6.5MB

Download
memory/100-4-0x00000000005A0000-0x0000000000C24000-memory.dmp

Filesize
6.5MB

Download