stealc | 66c7b70ab45668ccf79506762e35bfbd22ab6c07689fc0fe41f202336f516688

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 11:19

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General

Target

66c7b70ab45668ccf79506762e35bfbd22ab6c07689fc0fe41f202336f516688.exe
Size

2.0MB
MD5

0e5bf6cca8186ea2b2dffb910fe238e6
SHA1

df4dab8d3fd6a0d8311eb72c64812f3d9696af01
SHA256

66c7b70ab45668ccf79506762e35bfbd22ab6c07689fc0fe41f202336f516688
SHA512

b18a37975d54cf80faaf529eaf9038488ad9ff50e680142e91237ebb43fcc8b6298da8e6ea5f6d9d2569d67877aa9deb1c76e945212b1734eba6d596a70d26c9
SSDEEP

49152:ukzFs5LxFlAk/1QNTDko7qAq0eoWfRX3ijen+0NGITy4PA:ukzO13AVTDvqA9zqae+2TH

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__	66c7b70ab45668ccf79506762e35bfbd22ab6c07689fc0fe41f202336f516688.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	66c7b70ab45668ccf79506762e35bfbd22ab6c07689fc0fe41f202336f516688.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	66c7b70ab45668ccf79506762e35bfbd22ab6c07689fc0fe41f202336f516688.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	66c7b70ab45668ccf79506762e35bfbd22ab6c07689fc0fe41f202336f516688.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
840	66c7b70ab45668ccf79506762e35bfbd22ab6c07689fc0fe41f202336f516688.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	66c7b70ab45668ccf79506762e35bfbd22ab6c07689fc0fe41f202336f516688.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
840	66c7b70ab45668ccf79506762e35bfbd22ab6c07689fc0fe41f202336f516688.exe

C:\Users\Admin\AppData\Local\Temp\66c7b70ab45668ccf79506762e35bfbd22ab6c07689fc0fe41f202336f516688.exe
"C:\Users\Admin\AppData\Local\Temp\66c7b70ab45668ccf79506762e35bfbd22ab6c07689fc0fe41f202336f516688.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:840

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/840-0-0x0000000000070000-0x0000000000795000-memory.dmp

Filesize
7.1MB

Download
memory/840-1-0x00000000777B0000-0x00000000777B2000-memory.dmp

Filesize
8KB

Download
memory/840-2-0x0000000000071000-0x00000000000D9000-memory.dmp

Filesize
416KB

Download
memory/840-3-0x0000000000070000-0x0000000000795000-memory.dmp

Filesize
7.1MB

Download
memory/840-4-0x0000000000070000-0x0000000000795000-memory.dmp

Filesize
7.1MB

Download