stealc | 27cc6f14645280d84d872a3d4bf0adf3ccaf289bf0014e79c50dee92a048f478

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 01:14

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General

Target

27cc6f14645280d84d872a3d4bf0adf3ccaf289bf0014e79c50dee92a048f478.exe
Size

2.8MB
MD5

9add56c0d441bc39094e12a54dfd1310
SHA1

1840122488552192518f57d930a3b6cd905da9ad
SHA256

27cc6f14645280d84d872a3d4bf0adf3ccaf289bf0014e79c50dee92a048f478
SHA512

19c903fd2cf5afc641595e83e2a5b3a4ac98e5238ef94ec8bd8a5225cacfb74dd609ce6ecd8f2f0af1a79792391cb897b2713f46d7433d901cfbea24bcbae673
SSDEEP

49152:Nv6XmEUiBDwT3DIP9WfboVx22uxx7iPWec:NemEUiBkTTIP9ioLuxx7iPWB

Score

10^/10

stealc dear discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

dear

http://185.215.113.103

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__	27cc6f14645280d84d872a3d4bf0adf3ccaf289bf0014e79c50dee92a048f478.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	27cc6f14645280d84d872a3d4bf0adf3ccaf289bf0014e79c50dee92a048f478.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	27cc6f14645280d84d872a3d4bf0adf3ccaf289bf0014e79c50dee92a048f478.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	27cc6f14645280d84d872a3d4bf0adf3ccaf289bf0014e79c50dee92a048f478.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3028	27cc6f14645280d84d872a3d4bf0adf3ccaf289bf0014e79c50dee92a048f478.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	27cc6f14645280d84d872a3d4bf0adf3ccaf289bf0014e79c50dee92a048f478.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3028	27cc6f14645280d84d872a3d4bf0adf3ccaf289bf0014e79c50dee92a048f478.exe

C:\Users\Admin\AppData\Local\Temp\27cc6f14645280d84d872a3d4bf0adf3ccaf289bf0014e79c50dee92a048f478.exe
"C:\Users\Admin\AppData\Local\Temp\27cc6f14645280d84d872a3d4bf0adf3ccaf289bf0014e79c50dee92a048f478.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:3028

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/3028-0-0x0000000000060000-0x0000000000558000-memory.dmp

Filesize
5.0MB

Download
memory/3028-1-0x0000000077020000-0x0000000077022000-memory.dmp

Filesize
8KB

Download
memory/3028-2-0x0000000000061000-0x0000000000075000-memory.dmp

Filesize
80KB

Download
memory/3028-3-0x0000000000060000-0x0000000000558000-memory.dmp

Filesize
5.0MB

Download
memory/3028-4-0x0000000000060000-0x0000000000558000-memory.dmp

Filesize
5.0MB

Download