stealc | 93debe35016ad648b5ffb8229e8bf61239a00a3ca9f3e0bda608aa3e1268d9bc

Analysis

max time kernel
94s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 07:52

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General

Target

93debe35016ad648b5ffb8229e8bf61239a00a3ca9f3e0bda608aa3e1268d9bc.exe
Size

1.7MB
MD5

ab907f4a7622702c8c7530eb4320de45
SHA1

1e47f52017a1b5c6e5c37a15ff54c3d379d10a66
SHA256

93debe35016ad648b5ffb8229e8bf61239a00a3ca9f3e0bda608aa3e1268d9bc
SHA512

b84fed708539b43895487f50767b5d16900e7cb59ddc1a7286c9a41b9a5d492519080a018d3dd220bdae4dfadf28a90cc418d737a71ec566f54d431138d57c32
SSDEEP

49152:YUHhOiHg2ibzHNF8d/0Ti8pRHfNxjz99A6Q:XOiH9ibr8d/ZyRHX9ZQ

Score

10^/10

stealc drum discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

drum

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__	93debe35016ad648b5ffb8229e8bf61239a00a3ca9f3e0bda608aa3e1268d9bc.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	93debe35016ad648b5ffb8229e8bf61239a00a3ca9f3e0bda608aa3e1268d9bc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	93debe35016ad648b5ffb8229e8bf61239a00a3ca9f3e0bda608aa3e1268d9bc.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	93debe35016ad648b5ffb8229e8bf61239a00a3ca9f3e0bda608aa3e1268d9bc.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1888	93debe35016ad648b5ffb8229e8bf61239a00a3ca9f3e0bda608aa3e1268d9bc.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	93debe35016ad648b5ffb8229e8bf61239a00a3ca9f3e0bda608aa3e1268d9bc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1888	93debe35016ad648b5ffb8229e8bf61239a00a3ca9f3e0bda608aa3e1268d9bc.exe
1888	93debe35016ad648b5ffb8229e8bf61239a00a3ca9f3e0bda608aa3e1268d9bc.exe

C:\Users\Admin\AppData\Local\Temp\93debe35016ad648b5ffb8229e8bf61239a00a3ca9f3e0bda608aa3e1268d9bc.exe
"C:\Users\Admin\AppData\Local\Temp\93debe35016ad648b5ffb8229e8bf61239a00a3ca9f3e0bda608aa3e1268d9bc.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:1888

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/1888-0-0x0000000000550000-0x0000000000BE1000-memory.dmp

Filesize
6.6MB

Download
memory/1888-1-0x00000000774D4000-0x00000000774D6000-memory.dmp

Filesize
8KB

Download
memory/1888-2-0x0000000000551000-0x0000000000568000-memory.dmp

Filesize
92KB

Download
memory/1888-3-0x0000000000550000-0x0000000000BE1000-memory.dmp

Filesize
6.6MB

Download
memory/1888-4-0x0000000000550000-0x0000000000BE1000-memory.dmp

Filesize
6.6MB

Download