stealc | 50e4484fb6ee4b27ba6e22b5d65e5da71a5699e92999cc0ea450d5c90f3b5361

Analysis

max time kernel
95s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2024, 12:28

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General

Target

file.exe
Size

4.9MB
MD5

941507da4995f8296b61a3a35d8b406d
SHA1

a90f5209ca0d56938957ed8f5122de984e6ebbe4
SHA256

50e4484fb6ee4b27ba6e22b5d65e5da71a5699e92999cc0ea450d5c90f3b5361
SHA512

9762bca1fe65fcd816dc08e45a167a3321ee50778161a8241f0f42cb573528d9ffd714857d31192033b25f5654b2f3ec5e655c2238a7756403d77bf227109efd
SSDEEP

98304:39hObHjvS2UhDHtvS2aesYTM/vsobzTwaQH+P6GpuvRI:dw8l+PLA

Score

10^/10

stealc drum discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

drum

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__	file.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\VideoBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.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-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4216	file.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	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4216	file.exe
4216	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:4216

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

Replay Monitor

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Downloads

memory/4216-0-0x0000000000600000-0x0000000000AF5000-memory.dmp

Filesize
5.0MB

Download
memory/4216-1-0x00000000776E4000-0x00000000776E6000-memory.dmp

Filesize
8KB

Download
memory/4216-2-0x0000000000601000-0x000000000084A000-memory.dmp

Filesize
2.3MB

Download
memory/4216-3-0x0000000000600000-0x0000000000AF5000-memory.dmp

Filesize
5.0MB

Download
memory/4216-4-0x0000000000600000-0x0000000000AF5000-memory.dmp

Filesize
5.0MB

Download
memory/4216-5-0x0000000000601000-0x000000000084A000-memory.dmp

Filesize
2.3MB

Download