stealc | beb033b6b81e60ed419ba19985a2c7d1ffb6a4bcadf151e4686404079e0c7747

Analysis

max time kernel
89s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 01:33

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General

Target

beb033b6b81e60ed419ba19985a2c7d1ffb6a4bcadf151e4686404079e0c7747.exe
Size

1.8MB
MD5

2b6a17cf5d76f7664806991d7619e998
SHA1

b32948270dcb41941e0f98122f9c9d48a36c199c
SHA256

beb033b6b81e60ed419ba19985a2c7d1ffb6a4bcadf151e4686404079e0c7747
SHA512

ce8038b52f4ac00fc86b7f26627f8ce1d5d76e59c81003a0362b3a491ee2a7735a4eedda7cc4541ee1ae6e3b13e6159cd16b3d25c200fec3daaf4f6fb44d19d7
SSDEEP

24576:cLdBGtGG1W4UNJXbn4hHdXkoPPdYTngYY/Liz54HHX+kfy0gHOFTXVPZvC6GOgGt:iGjUL2yA2TzURfLgHOFTXBZ6ygG30n

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__	beb033b6b81e60ed419ba19985a2c7d1ffb6a4bcadf151e4686404079e0c7747.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	beb033b6b81e60ed419ba19985a2c7d1ffb6a4bcadf151e4686404079e0c7747.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	beb033b6b81e60ed419ba19985a2c7d1ffb6a4bcadf151e4686404079e0c7747.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine	beb033b6b81e60ed419ba19985a2c7d1ffb6a4bcadf151e4686404079e0c7747.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2744	beb033b6b81e60ed419ba19985a2c7d1ffb6a4bcadf151e4686404079e0c7747.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	beb033b6b81e60ed419ba19985a2c7d1ffb6a4bcadf151e4686404079e0c7747.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2744	beb033b6b81e60ed419ba19985a2c7d1ffb6a4bcadf151e4686404079e0c7747.exe

C:\Users\Admin\AppData\Local\Temp\beb033b6b81e60ed419ba19985a2c7d1ffb6a4bcadf151e4686404079e0c7747.exe
"C:\Users\Admin\AppData\Local\Temp\beb033b6b81e60ed419ba19985a2c7d1ffb6a4bcadf151e4686404079e0c7747.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:2744

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/2744-0-0x0000000001200000-0x00000000018A0000-memory.dmp

Filesize
6.6MB

Download
memory/2744-1-0x00000000773F0000-0x00000000773F2000-memory.dmp

Filesize
8KB

Download
memory/2744-2-0x0000000001201000-0x0000000001224000-memory.dmp

Filesize
140KB

Download
memory/2744-3-0x0000000001200000-0x00000000018A0000-memory.dmp

Filesize
6.6MB

Download
memory/2744-4-0x0000000001200000-0x00000000018A0000-memory.dmp

Filesize
6.6MB

Download