stealc | 32ebf905a6ed43b5e163ba71f7a836fd3b6d2f866c18294278cb86e85ec01a3c

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2024, 02:17

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General

Target

32ebf905a6ed43b5e163ba71f7a836fd3b6d2f866c18294278cb86e85ec01a3c.exe
Size

1.7MB
MD5

6467f0b3f7c25edc1259d28371015177
SHA1

3fbde0653380909d0a4a35c032c9fe80131c0925
SHA256

32ebf905a6ed43b5e163ba71f7a836fd3b6d2f866c18294278cb86e85ec01a3c
SHA512

b88fe4f81932f235691e1f0a3a1b8b69e5dc747b04d5838b907bb477fc7aa9c49673db9149b693c94f9814d9f138bdfeb391ac3ef6c0a78bb80d87c3ed86a651
SSDEEP

49152:vJndr40nWKw3+bFOVNCJdBiM3VAXJkUrUwIo:D40rQ2BiM3aZdryo

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

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__	32ebf905a6ed43b5e163ba71f7a836fd3b6d2f866c18294278cb86e85ec01a3c.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	32ebf905a6ed43b5e163ba71f7a836fd3b6d2f866c18294278cb86e85ec01a3c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	32ebf905a6ed43b5e163ba71f7a836fd3b6d2f866c18294278cb86e85ec01a3c.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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	32ebf905a6ed43b5e163ba71f7a836fd3b6d2f866c18294278cb86e85ec01a3c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1612	32ebf905a6ed43b5e163ba71f7a836fd3b6d2f866c18294278cb86e85ec01a3c.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	32ebf905a6ed43b5e163ba71f7a836fd3b6d2f866c18294278cb86e85ec01a3c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1612	32ebf905a6ed43b5e163ba71f7a836fd3b6d2f866c18294278cb86e85ec01a3c.exe
1612	32ebf905a6ed43b5e163ba71f7a836fd3b6d2f866c18294278cb86e85ec01a3c.exe

C:\Users\Admin\AppData\Local\Temp\32ebf905a6ed43b5e163ba71f7a836fd3b6d2f866c18294278cb86e85ec01a3c.exe
"C:\Users\Admin\AppData\Local\Temp\32ebf905a6ed43b5e163ba71f7a836fd3b6d2f866c18294278cb86e85ec01a3c.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:1612

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/1612-0-0x0000000000230000-0x00000000008BF000-memory.dmp

Filesize
6.6MB

Download
memory/1612-1-0x0000000077D24000-0x0000000077D26000-memory.dmp

Filesize
8KB

Download
memory/1612-2-0x0000000000231000-0x0000000000248000-memory.dmp

Filesize
92KB

Download
memory/1612-3-0x0000000000230000-0x00000000008BF000-memory.dmp

Filesize
6.6MB

Download
memory/1612-4-0x0000000000230000-0x00000000008BF000-memory.dmp

Filesize
6.6MB

Download