stealc | 3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469

Analysis

max time kernel
95s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 04:31

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General

Target

3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.exe
Size

1.7MB
MD5

d1f75fb0b0afd1ea41c2dccd9c3d2427
SHA1

6fdb92b4b415d69584ea1844ec2eed9f068f9640
SHA256

3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469
SHA512

0cdac8c2b9508edc06b27065b692d2268fa62949cb7813ae36f168f1ac7bd88c6cae3e2e121e42aec064681ffe387ab9757285c45b0008f19f8c0b5d9047eea4
SSDEEP

49152:z5aFRvsfImgaY2RKIZE1dW5e00M8IfhF:z5aMfIm1+wE+52Mj

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:

3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.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:

3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.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:

3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.exe

pid process

5052 3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.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:

3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.exe

pid	process
5052	3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.exe
5052	3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.exe

C:\Users\Admin\AppData\Local\Temp\3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.exe
"C:\Users\Admin\AppData\Local\Temp\3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469.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:5052

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/5052-0-0x00000000005F0000-0x0000000000C75000-memory.dmp

Filesize
6.5MB

Download
memory/5052-1-0x0000000077114000-0x0000000077116000-memory.dmp

Filesize
8KB

Download
memory/5052-2-0x00000000005F1000-0x0000000000608000-memory.dmp

Filesize
92KB

Download
memory/5052-3-0x00000000005F0000-0x0000000000C75000-memory.dmp

Filesize
6.5MB

Download
memory/5052-4-0x00000000005F0000-0x0000000000C75000-memory.dmp

Filesize
6.5MB

Download