stealc | 605d8ff14cbc4fd21c860371f046c9812414b41ca0beec6ed9fc294000fbd4a8

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2025 06:30

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General

Target

605d8ff14cbc4fd21c860371f046c9812414b41ca0beec6ed9fc294000fbd4a8.exe
Size

5.0MB
MD5

4c44fd974b119681f69872a1483b411b
SHA1

c3a8e48524af6b4d9732b0f778408d2e2b1e4dd5
SHA256

605d8ff14cbc4fd21c860371f046c9812414b41ca0beec6ed9fc294000fbd4a8
SHA512

af515feb1e4bab390a7225c5fcf97a4ecc17835d0abafcd617aab157c023fe4cfbb6f7b982eb170749a003024a43c81d1f543a317d11c7af5e8a081fc63a2f95
SSDEEP

49152:QakARh8DV+4nanRZEfss4/nvLjZcnFl8RTD/:DXRSDM4naRZEfssynvfZkz8VD/

Score

10^/10

stealc stok defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

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__	605d8ff14cbc4fd21c860371f046c9812414b41ca0beec6ed9fc294000fbd4a8.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	605d8ff14cbc4fd21c860371f046c9812414b41ca0beec6ed9fc294000fbd4a8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	605d8ff14cbc4fd21c860371f046c9812414b41ca0beec6ed9fc294000fbd4a8.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	605d8ff14cbc4fd21c860371f046c9812414b41ca0beec6ed9fc294000fbd4a8.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1500	605d8ff14cbc4fd21c860371f046c9812414b41ca0beec6ed9fc294000fbd4a8.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	605d8ff14cbc4fd21c860371f046c9812414b41ca0beec6ed9fc294000fbd4a8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1500	605d8ff14cbc4fd21c860371f046c9812414b41ca0beec6ed9fc294000fbd4a8.exe
1500	605d8ff14cbc4fd21c860371f046c9812414b41ca0beec6ed9fc294000fbd4a8.exe

C:\Users\Admin\AppData\Local\Temp\605d8ff14cbc4fd21c860371f046c9812414b41ca0beec6ed9fc294000fbd4a8.exe
"C:\Users\Admin\AppData\Local\Temp\605d8ff14cbc4fd21c860371f046c9812414b41ca0beec6ed9fc294000fbd4a8.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:1500

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/1500-0-0x00000000005C0000-0x0000000000ABA000-memory.dmp

Filesize
5.0MB

Download
memory/1500-1-0x0000000077564000-0x0000000077566000-memory.dmp

Filesize
8KB

Download
memory/1500-2-0x00000000005C1000-0x000000000080A000-memory.dmp

Filesize
2.3MB

Download
memory/1500-4-0x00000000005C0000-0x0000000000ABA000-memory.dmp

Filesize
5.0MB

Download
memory/1500-5-0x00000000005C1000-0x000000000080A000-memory.dmp

Filesize
2.3MB

Download