stealc | 3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af

Analysis

max time kernel
41s
max time network
159s
platform
windows11-21h2_x64
resource
win11-20250610-en
resource tags

arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
submitted
09/07/2025, 02:53

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General

Target
3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af.exe
Size 1.7MB
Sample250709-ddd97az1ex
SHA256 3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af
MD5 cfabae0dc0b3e5a60db97cbd9dd3e3ad
SHA1 12b6af9e093cec7d9dbd322be0c5424be744f061
SHA512 903de23d5393a070044090f44362a5ab52b99c8d1813db380595261dd117b87e06ac57393a453c00fc5cfa3890425c0e1d0a26f7dee5092e1b403f937bc29bef
SSDEEP 49152:0wGlwkOBb05Us4JfqD3waP2Z/FUvNSULGxD:5GaRBbg4JvG2XUvBLsD
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealc drum defense_evasion discovery 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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af.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	3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-903960561-1545645218-4290906778-1000\Software\Wine	3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2456	3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af.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	3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2456	3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af.exe
2456	3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af.exe

C:\Users\Admin\AppData\Local\Temp\3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af.exe
"C:\Users\Admin\AppData\Local\Temp\3d3bc8c0fda9069a2d5d2ad9aa5ad2934176d114750f392ba0b56cafdd1ec6af.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:2456

Network

MITRE ATT&CK Enterprise v16

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/2456-0-0x0000000000FB0000-0x000000000165A000-memory.dmp

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memory/2456-1-0x0000000005250000-0x0000000005251000-memory.dmp

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memory/2456-3-0x0000000000FB0000-0x000000000165A000-memory.dmp

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