stealc | a6d5d4d87e699c5fd4b6b07b92800896e2563e9284a4182d6bbce7e3a93dba90

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2025, 11:48

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General

Target

a6d5d4d87e699c5fd4b6b07b92800896e2563e9284a4182d6bbce7e3a93dba90.exe
Size

1.8MB
MD5

5365c8f512b63c01a6283ad7b1fb2f86
SHA1

0c8a2d5737c619f8753bd0a6facf80f4b4596dd2
SHA256

a6d5d4d87e699c5fd4b6b07b92800896e2563e9284a4182d6bbce7e3a93dba90
SHA512

900aa46205c0a7733f0a2f40d853c1837d77162137cd841d641b8c5ea97cf39b48883b36dce26be0d3bcb5c0e930e07be59252d6b9e410dedc32a2495e7b3183
SSDEEP

49152:GwLMhIrAdG5xHR2xzAWyX+sDpDTnfsHq2e:GwoyrE6xx2cFDpD4K2e

Score

10^/10

stealc reno defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

reno

http://185.215.113.115

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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a6d5d4d87e699c5fd4b6b07b92800896e2563e9284a4182d6bbce7e3a93dba90.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	a6d5d4d87e699c5fd4b6b07b92800896e2563e9284a4182d6bbce7e3a93dba90.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a6d5d4d87e699c5fd4b6b07b92800896e2563e9284a4182d6bbce7e3a93dba90.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Software\Wine	a6d5d4d87e699c5fd4b6b07b92800896e2563e9284a4182d6bbce7e3a93dba90.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2452	a6d5d4d87e699c5fd4b6b07b92800896e2563e9284a4182d6bbce7e3a93dba90.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	a6d5d4d87e699c5fd4b6b07b92800896e2563e9284a4182d6bbce7e3a93dba90.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2452	a6d5d4d87e699c5fd4b6b07b92800896e2563e9284a4182d6bbce7e3a93dba90.exe
2452	a6d5d4d87e699c5fd4b6b07b92800896e2563e9284a4182d6bbce7e3a93dba90.exe

C:\Users\Admin\AppData\Local\Temp\a6d5d4d87e699c5fd4b6b07b92800896e2563e9284a4182d6bbce7e3a93dba90.exe
"C:\Users\Admin\AppData\Local\Temp\a6d5d4d87e699c5fd4b6b07b92800896e2563e9284a4182d6bbce7e3a93dba90.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:2452

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/2452-0-0x0000000000DC0000-0x0000000001478000-memory.dmp

Filesize
6.7MB

Download
memory/2452-1-0x0000000077894000-0x0000000077896000-memory.dmp

Filesize
8KB

Download
memory/2452-2-0x0000000000DC1000-0x0000000000DD8000-memory.dmp

Filesize
92KB

Download
memory/2452-3-0x0000000000DC0000-0x0000000001478000-memory.dmp

Filesize
6.7MB

Download
memory/2452-5-0x0000000000DC0000-0x0000000001478000-memory.dmp

Filesize
6.7MB

Download