stealc | 3d8604104915eb32273b99186f799f3a2e971c6b93e7f76365e8804ffb9ccc01

Analysis

max time kernel
93s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/11/2024, 06:15

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General

Target

3d8604104915eb32273b99186f799f3a2e971c6b93e7f76365e8804ffb9ccc01.exe
Size

1.7MB
MD5

a66e3a8cd38ef8cde7b1c88a59716503
SHA1

7c6b3b86d49e6bdbdf84a2da2750880f736cbceb
SHA256

3d8604104915eb32273b99186f799f3a2e971c6b93e7f76365e8804ffb9ccc01
SHA512

d6f18a356c0f540d07e4a12729e63f591511cc042566008de389dca46e73c2bb25b7a71a376beb1e27f7ba24469f404a12ec4a6920a9804209224860ce76e772
SSDEEP

49152:1+xcoEwuoOTsL2DWclNI96ew2VLy7LNG7:171wrVLCplNOVZ

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3d8604104915eb32273b99186f799f3a2e971c6b93e7f76365e8804ffb9ccc01.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	3d8604104915eb32273b99186f799f3a2e971c6b93e7f76365e8804ffb9ccc01.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3d8604104915eb32273b99186f799f3a2e971c6b93e7f76365e8804ffb9ccc01.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-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	3d8604104915eb32273b99186f799f3a2e971c6b93e7f76365e8804ffb9ccc01.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2400	3d8604104915eb32273b99186f799f3a2e971c6b93e7f76365e8804ffb9ccc01.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	3d8604104915eb32273b99186f799f3a2e971c6b93e7f76365e8804ffb9ccc01.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2400	3d8604104915eb32273b99186f799f3a2e971c6b93e7f76365e8804ffb9ccc01.exe
2400	3d8604104915eb32273b99186f799f3a2e971c6b93e7f76365e8804ffb9ccc01.exe

C:\Users\Admin\AppData\Local\Temp\3d8604104915eb32273b99186f799f3a2e971c6b93e7f76365e8804ffb9ccc01.exe
"C:\Users\Admin\AppData\Local\Temp\3d8604104915eb32273b99186f799f3a2e971c6b93e7f76365e8804ffb9ccc01.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:2400

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/2400-0-0x0000000000DB0000-0x0000000001421000-memory.dmp

Filesize
6.4MB

Download
memory/2400-1-0x0000000077A04000-0x0000000077A06000-memory.dmp

Filesize
8KB

Download
memory/2400-2-0x0000000000DB1000-0x0000000000DC8000-memory.dmp

Filesize
92KB

Download
memory/2400-3-0x0000000000DB0000-0x0000000001421000-memory.dmp

Filesize
6.4MB

Download
memory/2400-4-0x0000000000DB0000-0x0000000001421000-memory.dmp

Filesize
6.4MB

Download