stealc | d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 08:40

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General

Target

d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe
Size

1.7MB
MD5

b47ca39f8e231d2868e251f775f1e466
SHA1

eddd4499ba642788bc77544b67226538da14d651
SHA256

d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae
SHA512

24099b5b0830cf2f50be554e29d92c09be205adf2d3bf8dac2ec609af1c5f7a51f657a10b55e5bd138ba6ab815539e74a4976ed23a2312b1624d2e901865b2a9
SSDEEP

49152:rrCrbqzOFonTOEZJM6cBs2esffk4Kt+z3hYdAnAurE:nSbqIE9as/snk4Kt+idCQ

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:

d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.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:

d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.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:

d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe

pid process

2480 d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe

pid	process
2480	d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.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:

d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe

pid process

2480 d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe

pid	process
2480	d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe

C:\Users\Admin\AppData\Local\Temp\d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.exe
"C:\Users\Admin\AppData\Local\Temp\d8906e0e0e173ede05401aaa09f2083b28260928b1278164d7008992e75cceae.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:2480

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/2480-0-0x0000000000240000-0x00000000008CE000-memory.dmp

Filesize
6.6MB

Download
memory/2480-1-0x00000000770E0000-0x00000000770E2000-memory.dmp

Filesize
8KB

Download
memory/2480-2-0x0000000000241000-0x0000000000258000-memory.dmp

Filesize
92KB

Download
memory/2480-3-0x0000000000240000-0x00000000008CE000-memory.dmp

Filesize
6.6MB

Download
memory/2480-4-0x0000000000240000-0x00000000008CE000-memory.dmp

Filesize
6.6MB

Download