stealc | a54efb68df3b1a8efca221079a0feb4f0726becb209b062e9eb832c36bd18393

Analysis

max time kernel
139s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14/10/2024, 13:16

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General

Target

1YPQZ_file.exe
Size

1.7MB
MD5

9e3d0de4343652353b07267361f520ea
SHA1

9a9a89627db72493bae3ee93147d939e23619a74
SHA256

a54efb68df3b1a8efca221079a0feb4f0726becb209b062e9eb832c36bd18393
SHA512

1b236354452848a243a0087e56ebf67c117beefa66ab3bd1cdafc7758b2b5190162f2588ff16f4d7f4ac143b4e290d13089b69bb75f88094aa607701c7597413
SSDEEP

49152:JYchSrfptMpJHAeq1b4HddPKUtwgAzMnQCKQCvf:HSrfoHAe1wgQwQ3f

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

http://185.215.113.37

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	1YPQZ_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	1YPQZ_file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1YPQZ_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-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	1YPQZ_file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4216	1YPQZ_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	1YPQZ_file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4216	1YPQZ_file.exe
4216	1YPQZ_file.exe

C:\Users\Admin\AppData\Local\Temp\1YPQZ_file.exe
"C:\Users\Admin\AppData\Local\Temp\1YPQZ_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/4216-0-0x0000000000320000-0x00000000009AC000-memory.dmp

Filesize
6.5MB

Download
memory/4216-1-0x00000000779D4000-0x00000000779D6000-memory.dmp

Filesize
8KB

Download
memory/4216-2-0x0000000000321000-0x0000000000344000-memory.dmp

Filesize
140KB

Download
memory/4216-3-0x0000000000320000-0x00000000009AC000-memory.dmp

Filesize
6.5MB

Download
memory/4216-4-0x0000000000320000-0x00000000009AC000-memory.dmp

Filesize
6.5MB

Download