Behavioral Report

Analysis

max time kernel
150s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2023 10:22

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Report Files Registry Network Processes Mutex Misc

General

Target

file.exe
Size

341KB
MD5

233c8fb34be6191c517d14f49ecbdf67
SHA1

e166c4e5dd9cd730da70f8107da227358359cfcb
SHA256

f22786a37967bb75c2236e0c5718db4deeaa3ab46772b8230525f021c9d23caa
SHA512

ae80151c66d37542e2ce23e5d2953765848f9e5ea4b503f38d22e6fffe8a282ad86f8cc0cbf2351a1f98d7ab453619fd486be8f743a88d45313592ada47eef0d
SSDEEP

6144:ODLCug/OKNbC/hLCS0R0Ppbz5Djq7VWRFBMolz90XfkT:aGJ18/8STpvY7VWR5lz+Q

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3576-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral2/memory/4604-135-0x0000000002190000-0x0000000002199000-memory.dmp	family_smokeloader
behavioral2/memory/3576-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral2/memory/3576-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Suspicious use of SetThreadContext 1 IoCs

Processes:

file.exe

description pid process target process

PID 4604 set thread context of 3576 4604 file.exe file.exe

description	pid	process	target process
PID 4604 set thread context of 3576	4604	file.exe	file.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

TTPs:

Query Registry Peripheral Device Discovery System Information Discovery

Processes:

file.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	file.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	file.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	file.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

file.exe

pid	process
3576	file.exe
3576	file.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2696
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

file.exe

pid process

3576 file.exe

pid	process
2696

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

file.exe

description	pid	process	target process
PID 4604 wrote to memory of 3576	4604	file.exe	file.exe
PID 4604 wrote to memory of 3576	4604	file.exe	file.exe
PID 4604 wrote to memory of 3576	4604	file.exe	file.exe
PID 4604 wrote to memory of 3576	4604	file.exe	file.exe
PID 4604 wrote to memory of 3576	4604	file.exe	file.exe
PID 4604 wrote to memory of 3576	4604	file.exe	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe

"C:\Users\Admin\AppData\Local\Temp\file.exe"

Suspicious use of SetThreadContext
Suspicious use of WriteProcessMemory

PID:4604

C:\Users\Admin\AppData\Local\Temp\file.exe

"C:\Users\Admin\AppData\Local\Temp\file.exe"

Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection

PID:3576

Network

MITRE ATT&CK Matrix

Collection

Command and Control

Credential Access

Defense Evasion

Discovery

Query Registry

T1012

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Privilege Escalation

Replay Monitor

00:00 00:00

Downloads

memory/3576-132-0x0000000000000000-mapping.dmp

Download
memory/3576-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3576-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3576-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4604-134-0x00000000006FD000-0x0000000000712000-memory.dmp

Filesize
84KB

Download
memory/4604-135-0x0000000002190000-0x0000000002199000-memory.dmp

Filesize
36KB

Download