smokeloader | 1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
29-06-2024 12:41

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General

Target

1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688.exe
Size

211KB
MD5

1409b5a7ac2a6be45fa954730b058da4
SHA1

00eab66887ff6ff4d6325d8a0e74adb624faf6de
SHA256

1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688
SHA512

af224d8fda6b8c6df5aae108dc5d300fef45deab525109fc8d61498714d8b037bb63f2276e163c7997566c336fe6ed884b70282986e6ebab22bfbbe6071d5642
SSDEEP

3072:SIJoMdlOBVvu8OnD7F7CE4BOe3uqHh+JJGmkx8:/dlOrvg0E4wQQJ2

Score

10^/10

smokeloader pub2 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1448 2140 WerFault.exe 1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688.exe

pid	pid_target	process	target process
1448	2140	WerFault.exe	1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688.exe

C:\Users\Admin\AppData\Local\Temp\1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688.exe
"C:\Users\Admin\AppData\Local\Temp\1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688.exe"
1⤵
- Checks SCSI registry key(s)
PID:2140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 384
2⤵
- Program crash
PID:1448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2140 -ip 2140
1⤵
PID:5024

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2140-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2140-2-0x0000000004900000-0x000000000490B000-memory.dmp

Filesize
44KB

Download
memory/2140-1-0x0000000002DC0000-0x0000000002EC0000-memory.dmp

Filesize
1024KB

Download
memory/2140-4-0x0000000000400000-0x0000000002BEE000-memory.dmp

Filesize
39.9MB

Download