stealc | 7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20

Analysis

max time kernel
94s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 02:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe
Size

1.8MB
MD5

5d5b34c976fa92c5652722de16d2e98b
SHA1

dc9e11721bb7920305e240ba778b8b0d903f3a3a
SHA256

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20
SHA512

514757c5dd3974fdbc7cdc11aae9783efea0630faeefa9a8a7041752ffd8893e3499b691f285164fc8ed90cc49d97e3a6d9d6678145b75967abd62b4f61d2291
SSDEEP

49152:J6cMo8LwRCUnx8quXy42AKEPRDrRZmUWC6v:QcZkJUn0XyxAKy/mp

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

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

Processes:

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.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

Processes:

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.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

Processes:

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

pid process

4536 7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.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

Processes:

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

pid	process
4536	7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe
4536	7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

C:\Users\Admin\AppData\Local\Temp\7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe
"C:\Users\Admin\AppData\Local\Temp\7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.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:4536

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

Loading Replay Monitor...

Downloads

memory/4536-0-0x0000000000680000-0x0000000000D34000-memory.dmp

Filesize
6.7MB

Download
memory/4536-1-0x0000000076FE4000-0x0000000076FE6000-memory.dmp

Filesize
8KB

Download
memory/4536-2-0x0000000000681000-0x0000000000698000-memory.dmp

Filesize
92KB

Download
memory/4536-3-0x0000000000680000-0x0000000000D34000-memory.dmp

Filesize
6.7MB

Download
memory/4536-4-0x0000000000680000-0x0000000000D34000-memory.dmp

Filesize
6.7MB

Download