stealc | d44cf4c345ad3c2a14ba1524bb8dcda23a42aa5a9d33409020b217dc9d1ded73

Analysis

max time kernel
136s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2024 02:57

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General

Target

d44cf4c345ad3c2a14ba1524bb8dcda23a42aa5a9d33409020b217dc9d1ded73.exe
Size

2.0MB
MD5

9e23c7a5c0ffc3296edb378b78a64128
SHA1

382ae4b7ae5031a160067a9736e7eaec59046381
SHA256

d44cf4c345ad3c2a14ba1524bb8dcda23a42aa5a9d33409020b217dc9d1ded73
SHA512

3fae13163f7f0ad90e3a088e78490ce0052141b6187501d8ae65d2ff6da66bfbbd8ff568a23a1caffff9a0f8e5bf9bf1587424708c0cfd66170e9a0aa4ddf715
SSDEEP

49152:PPO1Nef3MjVWwwxveOevR0kHvYA9qqCTh/l/XXf:PPOTef8BWww4vNwwqqEhZf

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__	d44cf4c345ad3c2a14ba1524bb8dcda23a42aa5a9d33409020b217dc9d1ded73.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	d44cf4c345ad3c2a14ba1524bb8dcda23a42aa5a9d33409020b217dc9d1ded73.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d44cf4c345ad3c2a14ba1524bb8dcda23a42aa5a9d33409020b217dc9d1ded73.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-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	d44cf4c345ad3c2a14ba1524bb8dcda23a42aa5a9d33409020b217dc9d1ded73.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3920	d44cf4c345ad3c2a14ba1524bb8dcda23a42aa5a9d33409020b217dc9d1ded73.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	d44cf4c345ad3c2a14ba1524bb8dcda23a42aa5a9d33409020b217dc9d1ded73.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3920	d44cf4c345ad3c2a14ba1524bb8dcda23a42aa5a9d33409020b217dc9d1ded73.exe
3920	d44cf4c345ad3c2a14ba1524bb8dcda23a42aa5a9d33409020b217dc9d1ded73.exe

C:\Users\Admin\AppData\Local\Temp\d44cf4c345ad3c2a14ba1524bb8dcda23a42aa5a9d33409020b217dc9d1ded73.exe
"C:\Users\Admin\AppData\Local\Temp\d44cf4c345ad3c2a14ba1524bb8dcda23a42aa5a9d33409020b217dc9d1ded73.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:3920

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/3920-0-0x0000000000040000-0x0000000000757000-memory.dmp

Filesize
7.1MB

Download
memory/3920-1-0x0000000077CB4000-0x0000000077CB6000-memory.dmp

Filesize
8KB

Download
memory/3920-2-0x0000000000041000-0x00000000000A9000-memory.dmp

Filesize
416KB

Download
memory/3920-3-0x0000000000040000-0x0000000000757000-memory.dmp

Filesize
7.1MB

Download
memory/3920-4-0x0000000000040000-0x0000000000757000-memory.dmp

Filesize
7.1MB

Download