stealc | 986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf

Analysis

max time kernel
94s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 20:34

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General

Target

986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.exe
Size

1.8MB
MD5

51590dbdc624f889fb9b1e4dbca3217b
SHA1

23ae80e7424065cd89bff2eec33103edda9a6bff
SHA256

986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf
SHA512

2b99d0da3ca3d78af121fbfe5685828c98fa04bec0f647aceb895dd5cd73df8961cb161a76200b6422bbef435f1dd2645695a9de11ff24657430570ad60827ef
SSDEEP

49152:2EH/jBAM9sx3cSxzRDma8FUc/g3k1skFtnLJq1rjfx:3fqgWfxtDB8Fs01skFtn1mj5

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

Processes:

986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.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

Processes:

986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.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

Processes:

986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.exe

pid process

3516 986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.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

Processes:

986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.exe

pid	process
3516	986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.exe
3516	986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.exe

C:\Users\Admin\AppData\Local\Temp\986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.exe
"C:\Users\Admin\AppData\Local\Temp\986607d1cb335025e27b61edec2319b3a1415d9ba85d07dee3178305989b85bf.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:3516

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/3516-0-0x00000000004E0000-0x0000000000B91000-memory.dmp

Filesize
6.7MB

Download
memory/3516-1-0x0000000077564000-0x0000000077566000-memory.dmp

Filesize
8KB

Download
memory/3516-2-0x00000000004E1000-0x00000000004F8000-memory.dmp

Filesize
92KB

Download
memory/3516-3-0x00000000004E0000-0x0000000000B91000-memory.dmp

Filesize
6.7MB

Download
memory/3516-4-0x00000000004E0000-0x0000000000B91000-memory.dmp

Filesize
6.7MB

Download