stealc | 15d55e886566f3da849370afa83b54cf3be37b95be32bfab0ef36ae56663c6ec

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 02:06

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General

Target

15d55e886566f3da849370afa83b54cf3be37b95be32bfab0ef36ae56663c6ec.exe
Size

2.1MB
MD5

11161c01ba8c1c0639c29519d9a55133
SHA1

6f878ae9e8dd2b2bd17f10c6ea340270ba52d936
SHA256

15d55e886566f3da849370afa83b54cf3be37b95be32bfab0ef36ae56663c6ec
SHA512

4afbc5e442452f7ce7f103b47ff7e80714fca5398a52c8d93dfcfe8896ca68b3a3ddd79205fbebb3bfefd17391c6501615088d385524cd6717acb6835edc0a55
SSDEEP

49152:m9V95qi+PiSkTxj+FA26eUKXs7IUB4cqKRRJFsFEY426:6VZ/K22MGskUB1RRAaq

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__	15d55e886566f3da849370afa83b54cf3be37b95be32bfab0ef36ae56663c6ec.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	15d55e886566f3da849370afa83b54cf3be37b95be32bfab0ef36ae56663c6ec.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	15d55e886566f3da849370afa83b54cf3be37b95be32bfab0ef36ae56663c6ec.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	15d55e886566f3da849370afa83b54cf3be37b95be32bfab0ef36ae56663c6ec.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2308	15d55e886566f3da849370afa83b54cf3be37b95be32bfab0ef36ae56663c6ec.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	15d55e886566f3da849370afa83b54cf3be37b95be32bfab0ef36ae56663c6ec.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2308	15d55e886566f3da849370afa83b54cf3be37b95be32bfab0ef36ae56663c6ec.exe

C:\Users\Admin\AppData\Local\Temp\15d55e886566f3da849370afa83b54cf3be37b95be32bfab0ef36ae56663c6ec.exe
"C:\Users\Admin\AppData\Local\Temp\15d55e886566f3da849370afa83b54cf3be37b95be32bfab0ef36ae56663c6ec.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:2308

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/2308-0-0x00000000001E0000-0x000000000092E000-memory.dmp

Filesize
7.3MB

Download
memory/2308-1-0x0000000077680000-0x0000000077682000-memory.dmp

Filesize
8KB

Download
memory/2308-2-0x00000000001E1000-0x0000000000249000-memory.dmp

Filesize
416KB

Download
memory/2308-3-0x00000000001E0000-0x000000000092E000-memory.dmp

Filesize
7.3MB

Download
memory/2308-4-0x00000000001E0000-0x000000000092E000-memory.dmp

Filesize
7.3MB

Download