stealc | da5deabcd23ef4803c8d717ef4e35ca108b3907dc06ee3e34c77246b265d940b

Analysis

max time kernel
135s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2024, 15:03

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General

Target

8GK3U_file.exe
Size

1.8MB
MD5

0712d55e16ed25f739ea28840c3b2576
SHA1

5e1432684a5ac9b19103fcd3f69610938613a0a8
SHA256

da5deabcd23ef4803c8d717ef4e35ca108b3907dc06ee3e34c77246b265d940b
SHA512

d9ce501b6a341c6de8cbeff4b628399cf95d76433590e5f3b511e257392bf82db788eab70e8c387ddce0bdd1451998e3563baf12178fb3bb74b269b3387b26bc
SSDEEP

24576:ddJdxwSlH7t0h11CcrkJH8haFYWknV2e1//zwAPunxT3ocFa+o8g9mML5w/85Ybd:pdDlR0xlrkJHsKYWuVwxkdu8cf

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__	8GK3U_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\SystemBiosVersion	8GK3U_file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8GK3U_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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	8GK3U_file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3444	8GK3U_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	8GK3U_file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3444	8GK3U_file.exe
3444	8GK3U_file.exe

C:\Users\Admin\AppData\Local\Temp\8GK3U_file.exe
"C:\Users\Admin\AppData\Local\Temp\8GK3U_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:3444

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/3444-0-0x0000000000870000-0x0000000000F21000-memory.dmp

Filesize
6.7MB

Download
memory/3444-1-0x0000000077AF4000-0x0000000077AF6000-memory.dmp

Filesize
8KB

Download
memory/3444-2-0x0000000000871000-0x0000000000888000-memory.dmp

Filesize
92KB

Download
memory/3444-3-0x0000000000870000-0x0000000000F21000-memory.dmp

Filesize
6.7MB

Download
memory/3444-4-0x0000000000870000-0x0000000000F21000-memory.dmp

Filesize
6.7MB

Download