stealc | adc570c21dfdc38b2b30dfa98cbd8fff624f5a83397e9199189b2182405a9535

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 02:14

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General

Target

adc570c21dfdc38b2b30dfa98cbd8fff624f5a83397e9199189b2182405a9535.exe
Size

1.7MB
MD5

69f6fc7d0c166c0dddd3f539ae64739b
SHA1

5f7561a022e961c7536f701b30c427e0a63031f5
SHA256

adc570c21dfdc38b2b30dfa98cbd8fff624f5a83397e9199189b2182405a9535
SHA512

f1c2f151e26b93013d8327bf79d7cacd6427fa9bed0d6c400c5f8c5a614e484fa74ea2b0c9f9bc4106b5b720214ab304ab61d556665cc45b0d7073569ec05e1c
SSDEEP

49152:D7u2+laiu9YTf+FWtwUYHXZ5l3JtI4JzYYrDfw:G183AwrxTI4hrr

Score

10^/10

stealc nord discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

nord

http://185.215.113.100

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__	adc570c21dfdc38b2b30dfa98cbd8fff624f5a83397e9199189b2182405a9535.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	adc570c21dfdc38b2b30dfa98cbd8fff624f5a83397e9199189b2182405a9535.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	adc570c21dfdc38b2b30dfa98cbd8fff624f5a83397e9199189b2182405a9535.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-1-5-21-4182098368-2521458979-3782681353-1000\Software\Wine	adc570c21dfdc38b2b30dfa98cbd8fff624f5a83397e9199189b2182405a9535.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4592	adc570c21dfdc38b2b30dfa98cbd8fff624f5a83397e9199189b2182405a9535.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	adc570c21dfdc38b2b30dfa98cbd8fff624f5a83397e9199189b2182405a9535.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4592	adc570c21dfdc38b2b30dfa98cbd8fff624f5a83397e9199189b2182405a9535.exe
4592	adc570c21dfdc38b2b30dfa98cbd8fff624f5a83397e9199189b2182405a9535.exe

C:\Users\Admin\AppData\Local\Temp\adc570c21dfdc38b2b30dfa98cbd8fff624f5a83397e9199189b2182405a9535.exe
"C:\Users\Admin\AppData\Local\Temp\adc570c21dfdc38b2b30dfa98cbd8fff624f5a83397e9199189b2182405a9535.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:4592

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/4592-0-0x00000000006A0000-0x0000000000D24000-memory.dmp

Filesize
6.5MB

Download
memory/4592-1-0x0000000077054000-0x0000000077056000-memory.dmp

Filesize
8KB

Download
memory/4592-2-0x00000000006A1000-0x00000000006B5000-memory.dmp

Filesize
80KB

Download
memory/4592-3-0x00000000006A0000-0x0000000000D24000-memory.dmp

Filesize
6.5MB

Download
memory/4592-4-0x00000000006A0000-0x0000000000D24000-memory.dmp

Filesize
6.5MB

Download