smokeloader | 20ac0cbf14865dc7314ac9f6873e9c240c63e010bc84a9c9a19b219cef7e56f6

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
07-05-2024 19:14

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General

Target

20ac0cbf14865dc7314ac9f6873e9c240c63e010bc84a9c9a19b219cef7e56f6.exe
Size

236KB
MD5

c66a9c7e9b64a09f04a46f450acdea5e
SHA1

a8fa3a863badb2562d6de70ff4d90d7419ee74b8
SHA256

20ac0cbf14865dc7314ac9f6873e9c240c63e010bc84a9c9a19b219cef7e56f6
SHA512

2bf47ad0faf8803cc02340392a54024b331bbb0abae2b1d3ed9307a7ac9fbedc7659015b2d05be7aef8747e1823c781d55b3535d3cca0396d6caeb2c161d5c6d
SSDEEP

3072:joAmj8w3h/NjF0McWnhTgjSHBRm5Pad3Gb6+:EAmRNrh9hUIWaUb6+

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

3188 2192 WerFault.exe 20ac0cbf14865dc7314ac9f6873e9c240c63e010bc84a9c9a19b219cef7e56f6.exe

pid	pid_target	process	target process
3188	2192	WerFault.exe	20ac0cbf14865dc7314ac9f6873e9c240c63e010bc84a9c9a19b219cef7e56f6.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:

20ac0cbf14865dc7314ac9f6873e9c240c63e010bc84a9c9a19b219cef7e56f6.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	20ac0cbf14865dc7314ac9f6873e9c240c63e010bc84a9c9a19b219cef7e56f6.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	20ac0cbf14865dc7314ac9f6873e9c240c63e010bc84a9c9a19b219cef7e56f6.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	20ac0cbf14865dc7314ac9f6873e9c240c63e010bc84a9c9a19b219cef7e56f6.exe

C:\Users\Admin\AppData\Local\Temp\20ac0cbf14865dc7314ac9f6873e9c240c63e010bc84a9c9a19b219cef7e56f6.exe
"C:\Users\Admin\AppData\Local\Temp\20ac0cbf14865dc7314ac9f6873e9c240c63e010bc84a9c9a19b219cef7e56f6.exe"
1⤵
- Checks SCSI registry key(s)
PID:2192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 384
2⤵
- Program crash
PID:3188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2192 -ip 2192
1⤵
PID:1280

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/2192-2-0x0000000002DE0000-0x0000000002DEB000-memory.dmp

Filesize
44KB

Download
memory/2192-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2192-1-0x0000000002BF0000-0x0000000002CF0000-memory.dmp

Filesize
1024KB

Download
memory/2192-4-0x0000000000400000-0x0000000002AF8000-memory.dmp

Filesize
39.0MB

Download