stealc | 680852ebc0cffe7daa769ebe356acdc1854ec2ff90da87f3b4e2edd86ebc5e59

Analysis

max time kernel
94s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 23:16

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General

Target

680852ebc0cffe7daa769ebe356acdc1854ec2ff90da87f3b4e2edd86ebc5e59.exe
Size

1.7MB
MD5

64c29b0d0dee7da9fdcc25dcd38c8268
SHA1

23231398bdeebc417eae2aef8047f770caaa036c
SHA256

680852ebc0cffe7daa769ebe356acdc1854ec2ff90da87f3b4e2edd86ebc5e59
SHA512

0b00d9b82c5ed364f24f5bc230a88a171b39416a0926a87883f5abf489f48f0ef59ce451b0caed95c49b43daf5e1b82a1cb413180ae783db0070090f72785bef
SSDEEP

49152:NoPgHeXviLivGZkirQy6i1NTJGgVFN70qiK:NoPHXvie+ZX66P70

Score

10^/10

stealc stok discovery evasion 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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	680852ebc0cffe7daa769ebe356acdc1854ec2ff90da87f3b4e2edd86ebc5e59.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	680852ebc0cffe7daa769ebe356acdc1854ec2ff90da87f3b4e2edd86ebc5e59.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	680852ebc0cffe7daa769ebe356acdc1854ec2ff90da87f3b4e2edd86ebc5e59.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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	680852ebc0cffe7daa769ebe356acdc1854ec2ff90da87f3b4e2edd86ebc5e59.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
556	680852ebc0cffe7daa769ebe356acdc1854ec2ff90da87f3b4e2edd86ebc5e59.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	680852ebc0cffe7daa769ebe356acdc1854ec2ff90da87f3b4e2edd86ebc5e59.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
556	680852ebc0cffe7daa769ebe356acdc1854ec2ff90da87f3b4e2edd86ebc5e59.exe
556	680852ebc0cffe7daa769ebe356acdc1854ec2ff90da87f3b4e2edd86ebc5e59.exe

C:\Users\Admin\AppData\Local\Temp\680852ebc0cffe7daa769ebe356acdc1854ec2ff90da87f3b4e2edd86ebc5e59.exe
"C:\Users\Admin\AppData\Local\Temp\680852ebc0cffe7daa769ebe356acdc1854ec2ff90da87f3b4e2edd86ebc5e59.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:556

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/556-0-0x0000000000790000-0x0000000000E2D000-memory.dmp

Filesize
6.6MB

Download
memory/556-1-0x0000000077D74000-0x0000000077D76000-memory.dmp

Filesize
8KB

Download
memory/556-2-0x0000000000791000-0x00000000007A8000-memory.dmp

Filesize
92KB

Download
memory/556-3-0x0000000000790000-0x0000000000E2D000-memory.dmp

Filesize
6.6MB

Download
memory/556-5-0x0000000000790000-0x0000000000E2D000-memory.dmp

Filesize
6.6MB

Download