stealc | 47bd6c06b3c3bd948e206fc5491ae477230eee08b7116adb0e1fe5b250fd8ca1

Analysis

max time kernel
16s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 11:28

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General

Target

47bd6c06b3c3bd948e206fc5491ae477230eee08b7116adb0e1fe5b250fd8ca1.exe
Size

1.7MB
MD5

819deb65fd6886d842909e74a73b8ad2
SHA1

a81c45767a6107fabc316bc5bc4d530ced9d75f0
SHA256

47bd6c06b3c3bd948e206fc5491ae477230eee08b7116adb0e1fe5b250fd8ca1
SHA512

239e450446e5d1c7e4b802cbd5514a6d0d395b2813cbf9ac80b4e9bf2ed70f5de351f3bd2d25e71bb1b7af4632063fb926b48750332f11dc3b650927998d3ee1
SSDEEP

49152:jSMdgXO2flpsSmW4EHYEZFs9LI/6fFyYg/1lL:jiO4bsSmWVZFQs6L

Score

10^/10

stealc stok discovery evasion 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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	47bd6c06b3c3bd948e206fc5491ae477230eee08b7116adb0e1fe5b250fd8ca1.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	47bd6c06b3c3bd948e206fc5491ae477230eee08b7116adb0e1fe5b250fd8ca1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	47bd6c06b3c3bd948e206fc5491ae477230eee08b7116adb0e1fe5b250fd8ca1.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine	47bd6c06b3c3bd948e206fc5491ae477230eee08b7116adb0e1fe5b250fd8ca1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2296	47bd6c06b3c3bd948e206fc5491ae477230eee08b7116adb0e1fe5b250fd8ca1.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	47bd6c06b3c3bd948e206fc5491ae477230eee08b7116adb0e1fe5b250fd8ca1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2296	47bd6c06b3c3bd948e206fc5491ae477230eee08b7116adb0e1fe5b250fd8ca1.exe

C:\Users\Admin\AppData\Local\Temp\47bd6c06b3c3bd948e206fc5491ae477230eee08b7116adb0e1fe5b250fd8ca1.exe
"C:\Users\Admin\AppData\Local\Temp\47bd6c06b3c3bd948e206fc5491ae477230eee08b7116adb0e1fe5b250fd8ca1.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:2296

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/2296-0-0x0000000000070000-0x000000000070D000-memory.dmp

Filesize
6.6MB

Download
memory/2296-1-0x0000000077150000-0x0000000077152000-memory.dmp

Filesize
8KB

Download
memory/2296-2-0x0000000000071000-0x0000000000088000-memory.dmp

Filesize
92KB

Download
memory/2296-3-0x0000000000070000-0x000000000070D000-memory.dmp

Filesize
6.6MB

Download
memory/2296-5-0x0000000000070000-0x000000000070D000-memory.dmp

Filesize
6.6MB

Download