smokeloader | 31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583

Analysis

max time kernel
291s
max time network
188s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
04-04-2024 22:28

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General

Target

31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583.exe
Size

202KB
MD5

35940f30f5229a28b42a3efaa5f83d90
SHA1

697f728f31f8ce13423943d02220ad55eb9bd0b8
SHA256

31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583
SHA512

3c0539b0eb720aab2b76ccc809a3b7704f8ea31d8055c50097e754cfe8da3c8d0cbd93dbe2bf86d41b2750b45b99294bc411db96d43613e9c8c92910c4d1b20a
SSDEEP

3072:TLYL43gLfqebEDabbOe6Bz8X4LOKaMDV81Zxg8csVoKYE9WJ:TLd3gLfqebBbbsBIIJZVSDPcs

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

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

1380 4424 WerFault.exe 31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583.exe

pid	pid_target	process	target process
1380	4424	WerFault.exe	31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583.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:

31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583.exe

C:\Users\Admin\AppData\Local\Temp\31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583.exe
"C:\Users\Admin\AppData\Local\Temp\31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583.exe"
1⤵
- Checks SCSI registry key(s)
PID:4424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 496
2⤵
- Program crash
PID:1380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4424-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/4424-2-0x0000000000680000-0x000000000068B000-memory.dmp

Filesize
44KB

Download
memory/4424-3-0x0000000000400000-0x0000000000536000-memory.dmp

Filesize
1.2MB

Download
memory/4424-6-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download