stealc | 27c65d300795e161913efedf9861aa1f9dc760d869d35e21b71d9c90c98337e3

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
20/02/2025, 14:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

27c65d300795e161913efedf9861aa1f9dc760d869d35e21b71d9c90c98337e3.exe
Size

1.7MB
MD5

adf1ab607064ad30fcb2cd34dbb36505
SHA1

b393ffaaf0b4e361ee96ad11bc9d4a1edff6d8be
SHA256

27c65d300795e161913efedf9861aa1f9dc760d869d35e21b71d9c90c98337e3
SHA512

87cd57f0dab8ed612219ce87a4a59bac908c451f3f7d858705d5f8c179d8a33e78303a66d9b222f5a6dbf15656d4264606453b30b567eda53dade3f315a5f992
SSDEEP

49152:WsIBUdbL6K4wQANLrlalHwyuIxT0Kh+tAWM:WsIBkbUNAxrMlHQIpKtE

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__	27c65d300795e161913efedf9861aa1f9dc760d869d35e21b71d9c90c98337e3.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	27c65d300795e161913efedf9861aa1f9dc760d869d35e21b71d9c90c98337e3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	27c65d300795e161913efedf9861aa1f9dc760d869d35e21b71d9c90c98337e3.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-1-5-21-677481364-2238709445-1347953534-1000\Software\Wine	27c65d300795e161913efedf9861aa1f9dc760d869d35e21b71d9c90c98337e3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2296	27c65d300795e161913efedf9861aa1f9dc760d869d35e21b71d9c90c98337e3.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	27c65d300795e161913efedf9861aa1f9dc760d869d35e21b71d9c90c98337e3.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2296	27c65d300795e161913efedf9861aa1f9dc760d869d35e21b71d9c90c98337e3.exe

C:\Users\Admin\AppData\Local\Temp\27c65d300795e161913efedf9861aa1f9dc760d869d35e21b71d9c90c98337e3.exe
"C:\Users\Admin\AppData\Local\Temp\27c65d300795e161913efedf9861aa1f9dc760d869d35e21b71d9c90c98337e3.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:2296

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

Loading Replay Monitor...

Downloads

memory/2296-0-0x0000000000040000-0x00000000006BF000-memory.dmp

Filesize
6.5MB

Download
memory/2296-1-0x0000000077C10000-0x0000000077C12000-memory.dmp

Filesize
8KB

Download
memory/2296-2-0x0000000000041000-0x0000000000058000-memory.dmp

Filesize
92KB

Download
memory/2296-3-0x0000000000040000-0x00000000006BF000-memory.dmp

Filesize
6.5MB

Download
memory/2296-5-0x0000000000040000-0x00000000006BF000-memory.dmp

Filesize
6.5MB

Download