stealc | 6167c70011e341b5f2d970b21a91c3efc7ebefd958a0cababc41be9f06ba64b0

Analysis

max time kernel
95s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2025 17:43

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General

Target

6167c70011e341b5f2d970b21a91c3efc7ebefd958a0cababc41be9f06ba64b0.exe
Size

1.7MB
MD5

6227d6d777deefa36fb119515d839583
SHA1

2effc45fc488a6376b19ea8a29e60628b83a5a3f
SHA256

6167c70011e341b5f2d970b21a91c3efc7ebefd958a0cababc41be9f06ba64b0
SHA512

56de2cfb31170e8c40afa127f87c50c10f181d2b3b73fc7c4c29077a5efa432e9dd398b13487eabbb4a2f9776f73d655dbfc052d747ee8618bca810cfc77952e
SSDEEP

24576:qiXO+n24Gdc9SBVv2+WM28UK3tlrrTCd7K1H11o2ieWYB9I5JiMrDZCzRkujIoh1:LXv/J9BraCd7mV1DubtwWuZOM

Score

10^/10

stealc stok defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	6167c70011e341b5f2d970b21a91c3efc7ebefd958a0cababc41be9f06ba64b0.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	6167c70011e341b5f2d970b21a91c3efc7ebefd958a0cababc41be9f06ba64b0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6167c70011e341b5f2d970b21a91c3efc7ebefd958a0cababc41be9f06ba64b0.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	6167c70011e341b5f2d970b21a91c3efc7ebefd958a0cababc41be9f06ba64b0.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2328	6167c70011e341b5f2d970b21a91c3efc7ebefd958a0cababc41be9f06ba64b0.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	6167c70011e341b5f2d970b21a91c3efc7ebefd958a0cababc41be9f06ba64b0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2328	6167c70011e341b5f2d970b21a91c3efc7ebefd958a0cababc41be9f06ba64b0.exe
2328	6167c70011e341b5f2d970b21a91c3efc7ebefd958a0cababc41be9f06ba64b0.exe

C:\Users\Admin\AppData\Local\Temp\6167c70011e341b5f2d970b21a91c3efc7ebefd958a0cababc41be9f06ba64b0.exe
"C:\Users\Admin\AppData\Local\Temp\6167c70011e341b5f2d970b21a91c3efc7ebefd958a0cababc41be9f06ba64b0.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:2328

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/2328-0-0x0000000001000000-0x0000000001679000-memory.dmp

Filesize
6.5MB

Download
memory/2328-1-0x0000000077D74000-0x0000000077D76000-memory.dmp

Filesize
8KB

Download
memory/2328-2-0x0000000001001000-0x0000000001018000-memory.dmp

Filesize
92KB

Download
memory/2328-4-0x0000000001000000-0x0000000001679000-memory.dmp

Filesize
6.5MB

Download
memory/2328-5-0x0000000001000000-0x0000000001679000-memory.dmp

Filesize
6.5MB

Download