stealc | 599399619509681016345f5e4e50f6edd38a70496201d1a9fbfe5c53d7f4690b

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 13:48

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General

Target

599399619509681016345f5e4e50f6edd38a70496201d1a9fbfe5c53d7f4690b.exe
Size

1.7MB
MD5

6731bd7e893f440a5f73edfd40b73112
SHA1

8e396ca101830e0116881c8d8c81c6d5e7918afe
SHA256

599399619509681016345f5e4e50f6edd38a70496201d1a9fbfe5c53d7f4690b
SHA512

d0247ad0a1392a9b622d08e22feee7d79854c8f1492f0b4d5d5e669f7efce409e3a3961f8229ebb40aca97ed6e36066b40393b3e9cb78d7356d34d530c125110
SSDEEP

49152:ody2kxxgGWLuMNsXKs3BU3o9krTLOnJWA4XPkoBC:W8fquEsXKs3BU3o9kY4/kB

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__	599399619509681016345f5e4e50f6edd38a70496201d1a9fbfe5c53d7f4690b.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	599399619509681016345f5e4e50f6edd38a70496201d1a9fbfe5c53d7f4690b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	599399619509681016345f5e4e50f6edd38a70496201d1a9fbfe5c53d7f4690b.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	599399619509681016345f5e4e50f6edd38a70496201d1a9fbfe5c53d7f4690b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2648	599399619509681016345f5e4e50f6edd38a70496201d1a9fbfe5c53d7f4690b.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	599399619509681016345f5e4e50f6edd38a70496201d1a9fbfe5c53d7f4690b.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2648	599399619509681016345f5e4e50f6edd38a70496201d1a9fbfe5c53d7f4690b.exe

C:\Users\Admin\AppData\Local\Temp\599399619509681016345f5e4e50f6edd38a70496201d1a9fbfe5c53d7f4690b.exe
"C:\Users\Admin\AppData\Local\Temp\599399619509681016345f5e4e50f6edd38a70496201d1a9fbfe5c53d7f4690b.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:2648

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/2648-0-0x0000000000160000-0x00000000007F0000-memory.dmp

Filesize
6.6MB

Download
memory/2648-1-0x0000000077400000-0x0000000077402000-memory.dmp

Filesize
8KB

Download
memory/2648-2-0x0000000000161000-0x0000000000178000-memory.dmp

Filesize
92KB

Download
memory/2648-3-0x0000000000160000-0x00000000007F0000-memory.dmp

Filesize
6.6MB

Download
memory/2648-4-0x0000000000160000-0x00000000007F0000-memory.dmp

Filesize
6.6MB

Download