stealc | d1de87bc5bee4f8596a7701f52102cbb932199330c00e0bda50307e9a5d66be5

Analysis

max time kernel
84s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 01:31

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General

Target

d1de87bc5bee4f8596a7701f52102cbb932199330c00e0bda50307e9a5d66be5.exe
Size

1.7MB
MD5

b390074fcd114b194e2ea914536d88fa
SHA1

459827a806caf548e6690332465972337b6e1ff9
SHA256

d1de87bc5bee4f8596a7701f52102cbb932199330c00e0bda50307e9a5d66be5
SHA512

4ecb23ca2b2aaf485fde01d814bfe1354642f3d96cb36548bbcff5618563c8acc432ce1a6fa06e65f322db40c752b8302b56449d943913342c32cbeb7162fc8e
SSDEEP

24576:+SCBdVfI75GMB9YY0DTTILCzwFkEU2UcBJcqC34dKKps013DQFnEAdsFUBvX:+RfKlIf8LACkEHUO9CodXs0BDXAdnv

Score

10^/10

stealc leva discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

leva

http://185.215.113.100

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	d1de87bc5bee4f8596a7701f52102cbb932199330c00e0bda50307e9a5d66be5.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	d1de87bc5bee4f8596a7701f52102cbb932199330c00e0bda50307e9a5d66be5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d1de87bc5bee4f8596a7701f52102cbb932199330c00e0bda50307e9a5d66be5.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-1-5-21-2718105630-359604950-2820636825-1000\Software\Wine	d1de87bc5bee4f8596a7701f52102cbb932199330c00e0bda50307e9a5d66be5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3712	d1de87bc5bee4f8596a7701f52102cbb932199330c00e0bda50307e9a5d66be5.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	d1de87bc5bee4f8596a7701f52102cbb932199330c00e0bda50307e9a5d66be5.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3712	d1de87bc5bee4f8596a7701f52102cbb932199330c00e0bda50307e9a5d66be5.exe
3712	d1de87bc5bee4f8596a7701f52102cbb932199330c00e0bda50307e9a5d66be5.exe

C:\Users\Admin\AppData\Local\Temp\d1de87bc5bee4f8596a7701f52102cbb932199330c00e0bda50307e9a5d66be5.exe
"C:\Users\Admin\AppData\Local\Temp\d1de87bc5bee4f8596a7701f52102cbb932199330c00e0bda50307e9a5d66be5.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:3712

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/3712-0-0x0000000000680000-0x0000000000CF2000-memory.dmp

Filesize
6.4MB

Download
memory/3712-1-0x00000000771E4000-0x00000000771E6000-memory.dmp

Filesize
8KB

Download
memory/3712-2-0x0000000000681000-0x0000000000695000-memory.dmp

Filesize
80KB

Download
memory/3712-3-0x0000000000680000-0x0000000000CF2000-memory.dmp

Filesize
6.4MB

Download
memory/3712-5-0x0000000000680000-0x0000000000CF2000-memory.dmp

Filesize
6.4MB

Download