stealc | 16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4

Analysis

max time kernel
94s
max time network
139s
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 02:08

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General

Target

16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.exe
Size

1.7MB
MD5

88d9a99ca46e751ab8202680c23046f3
SHA1

dcba4b2d61dc2e695d2f0d6c4e4011cfd66d547f
SHA256

16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4
SHA512

0ac42f6dbabc574024472697b42d9d38c14230e69a5e434fb97e1c3c95b58d5d4fe593965812dd209b2414167662377006b1562033acf5d9b6d6bba5c7cc1ff3
SSDEEP

49152:N9QJ8SRmZEblDMUePc0eTM0QoEzH934Ma18:bQ2SRkE9cIwNo

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:

16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.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:

16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.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:

16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.exe

pid process

3528 16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.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:

16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.exe

pid	process
3528	16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.exe
3528	16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.exe

C:\Users\Admin\AppData\Local\Temp\16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.exe
"C:\Users\Admin\AppData\Local\Temp\16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4.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:3528

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/3528-0-0x0000000000400000-0x0000000000A8E000-memory.dmp

Filesize
6.6MB

Download
memory/3528-1-0x0000000077814000-0x0000000077816000-memory.dmp

Filesize
8KB

Download
memory/3528-2-0x0000000000401000-0x0000000000418000-memory.dmp

Filesize
92KB

Download
memory/3528-3-0x0000000000400000-0x0000000000A8E000-memory.dmp

Filesize
6.6MB

Download
memory/3528-4-0x0000000000400000-0x0000000000A8E000-memory.dmp

Filesize
6.6MB

Download