stealc | dcb3603ec608359cad55552387cd857560e3bf9a3b0f0a9b94cc02f569ba314d

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/10/2024, 17:11

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General

Target

file.exe
Size

1.8MB
MD5

52da2906c78bc9840cf933c8bcbf351a
SHA1

92df58073f14470dc06759af4fec2e9f4c8204ce
SHA256

dcb3603ec608359cad55552387cd857560e3bf9a3b0f0a9b94cc02f569ba314d
SHA512

aa7e4015715e154702a74c4b54ce6a477ae4e5c7281022c7aae00e284079c3b5606098125da1895de7b873b5b7ea07fda2988c2e1f9d5731cce8993851db4da9
SSDEEP

49152:c2G2GqZJgjovG8BQmVswkY/aqhxnSWp3Fw0d4VPMCsve:M2JKovsKakFSkmNPB4e

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

http://185.215.113.37

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__	file.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\VideoBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
540	file.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	file.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
540	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:540

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

Replay Monitor

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Downloads

memory/540-0-0x0000000000A00000-0x00000000010AE000-memory.dmp

Filesize
6.7MB

Download
memory/540-1-0x0000000077320000-0x0000000077322000-memory.dmp

Filesize
8KB

Download
memory/540-3-0x0000000000A00000-0x00000000010AE000-memory.dmp

Filesize
6.7MB

Download
memory/540-2-0x0000000000A01000-0x0000000000A24000-memory.dmp

Filesize
140KB

Download
memory/540-4-0x0000000000A00000-0x00000000010AE000-memory.dmp

Filesize
6.7MB

Download