stealc | 5951b6cf9415ccb492b6daeecfa6d49dc98adaf94827a151b402b83f29b0e5cf

Analysis

max time kernel
135s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 01:20

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General

Target

46c4ea3a2dd1a90ccf1db730d55ac8398df682955022bdd4f6596ee63f044bec.exe
Size

2.0MB
MD5

77ab35e94aa19136da2e52a77ab4b563
SHA1

1efb8a56707a511ac73fe3e056a6485bae7a9551
SHA256

46c4ea3a2dd1a90ccf1db730d55ac8398df682955022bdd4f6596ee63f044bec
SHA512

c30a7f7f29866adf628f37bc63a94d3c0855f90642de16b5c528ce4da10c42e037f8f5f876a328553058c253dc9f797784ba0ee1f4dfa7401d06678b42cfb5ea
SSDEEP

49152:zwF7jt7uTl2Du3Y5y6IstEy2qQvJ8DkLzd5JPn:sxt7uTlzu17XyaD6rh

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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__	46c4ea3a2dd1a90ccf1db730d55ac8398df682955022bdd4f6596ee63f044bec.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	46c4ea3a2dd1a90ccf1db730d55ac8398df682955022bdd4f6596ee63f044bec.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	46c4ea3a2dd1a90ccf1db730d55ac8398df682955022bdd4f6596ee63f044bec.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	46c4ea3a2dd1a90ccf1db730d55ac8398df682955022bdd4f6596ee63f044bec.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2884	46c4ea3a2dd1a90ccf1db730d55ac8398df682955022bdd4f6596ee63f044bec.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	46c4ea3a2dd1a90ccf1db730d55ac8398df682955022bdd4f6596ee63f044bec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2884	46c4ea3a2dd1a90ccf1db730d55ac8398df682955022bdd4f6596ee63f044bec.exe
2884	46c4ea3a2dd1a90ccf1db730d55ac8398df682955022bdd4f6596ee63f044bec.exe

C:\Users\Admin\AppData\Local\Temp\46c4ea3a2dd1a90ccf1db730d55ac8398df682955022bdd4f6596ee63f044bec.exe
"C:\Users\Admin\AppData\Local\Temp\46c4ea3a2dd1a90ccf1db730d55ac8398df682955022bdd4f6596ee63f044bec.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:2884

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/2884-0-0x0000000000480000-0x0000000000B99000-memory.dmp

Filesize
7.1MB

Download
memory/2884-1-0x00000000779F4000-0x00000000779F6000-memory.dmp

Filesize
8KB

Download
memory/2884-2-0x0000000000481000-0x00000000004E9000-memory.dmp

Filesize
416KB

Download
memory/2884-3-0x0000000000480000-0x0000000000B99000-memory.dmp

Filesize
7.1MB

Download
memory/2884-5-0x0000000000480000-0x0000000000B99000-memory.dmp

Filesize
7.1MB

Download