smokeloader | 71a43333805793afd9126f849b299de92ce7ad7075b822e0fbe552cfbc6480cd

Analysis

max time kernel
66s
max time network
53s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
01-05-2024 12:07

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General

Target

71a43333805793afd9126f849b299de92ce7ad7075b822e0fbe552cfbc6480cd.exe
Size

206KB
MD5

527b69908ea6112def233976de219a80
SHA1

ecd2ba8c8f4b8101248fc37c407c60d3a51806fb
SHA256

71a43333805793afd9126f849b299de92ce7ad7075b822e0fbe552cfbc6480cd
SHA512

6b16880699656522d177f92a78db8f14fd3e4d15b3e377b73896784577941dc037b67f4b75416c794a7463e31f06dfa80b029e2174403b4493f40f98ab845c20
SSDEEP

1536:qsItSkjwf6c33FNbPQk0+uvqclgIYp2BnvHXqN5l5BKkYUuIINsUUJ2d/EdYQ5ho:rFibCcgfQvHw5lPKJYxyQ5h+zMZWZd

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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

4128 2864 WerFault.exe 71a43333805793afd9126f849b299de92ce7ad7075b822e0fbe552cfbc6480cd.exe

pid	pid_target	process	target process
4128	2864	WerFault.exe	71a43333805793afd9126f849b299de92ce7ad7075b822e0fbe552cfbc6480cd.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:

71a43333805793afd9126f849b299de92ce7ad7075b822e0fbe552cfbc6480cd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71a43333805793afd9126f849b299de92ce7ad7075b822e0fbe552cfbc6480cd.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71a43333805793afd9126f849b299de92ce7ad7075b822e0fbe552cfbc6480cd.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71a43333805793afd9126f849b299de92ce7ad7075b822e0fbe552cfbc6480cd.exe

C:\Users\Admin\AppData\Local\Temp\71a43333805793afd9126f849b299de92ce7ad7075b822e0fbe552cfbc6480cd.exe
"C:\Users\Admin\AppData\Local\Temp\71a43333805793afd9126f849b299de92ce7ad7075b822e0fbe552cfbc6480cd.exe"
1⤵
- Checks SCSI registry key(s)
PID:2864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 352
2⤵
- Program crash
PID:4128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2864 -ip 2864
1⤵
PID:3808

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

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Downloads

memory/2864-2-0x0000000002D60000-0x0000000002D6B000-memory.dmp

Filesize
44KB

Download
memory/2864-1-0x0000000002DA0000-0x0000000002EA0000-memory.dmp

Filesize
1024KB

Download
memory/2864-3-0x0000000000400000-0x0000000002AF2000-memory.dmp

Filesize
38.9MB

Download