smokeloader | 0a3f358d5abeb3bbf6dc98a1f5d798cf50388ae95da605e9fe3a352b9ea41393

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
24-06-2024 19:16

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General

Target

0a3f358d5abeb3bbf6dc98a1f5d798cf50388ae95da605e9fe3a352b9ea41393.exe
Size

311KB
MD5

fb38a83ce2fbb1d7ca5fb4bad6971e89
SHA1

c20e9c2654328ef2cd5879d33667945124a78bbd
SHA256

0a3f358d5abeb3bbf6dc98a1f5d798cf50388ae95da605e9fe3a352b9ea41393
SHA512

5d6ac47cd0ff14b026c66cae0c2e6625de7f3b6dc72bf2d992a903406c6413dfa92926b75bf8fdb3f862e903a5a44781113a875e137f005c345de99c98679399
SSDEEP

3072:wQKtMHLw8kCglGhPiODzZUs4ICcQuUkVYT5bUULcIozcIoA0L:w3taLfkCYeJZUzFczMFUULcIozcIo

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

2552 3380 WerFault.exe 0a3f358d5abeb3bbf6dc98a1f5d798cf50388ae95da605e9fe3a352b9ea41393.exe

pid	pid_target	process	target process
2552	3380	WerFault.exe	0a3f358d5abeb3bbf6dc98a1f5d798cf50388ae95da605e9fe3a352b9ea41393.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:

0a3f358d5abeb3bbf6dc98a1f5d798cf50388ae95da605e9fe3a352b9ea41393.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0a3f358d5abeb3bbf6dc98a1f5d798cf50388ae95da605e9fe3a352b9ea41393.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0a3f358d5abeb3bbf6dc98a1f5d798cf50388ae95da605e9fe3a352b9ea41393.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0a3f358d5abeb3bbf6dc98a1f5d798cf50388ae95da605e9fe3a352b9ea41393.exe

C:\Users\Admin\AppData\Local\Temp\0a3f358d5abeb3bbf6dc98a1f5d798cf50388ae95da605e9fe3a352b9ea41393.exe
"C:\Users\Admin\AppData\Local\Temp\0a3f358d5abeb3bbf6dc98a1f5d798cf50388ae95da605e9fe3a352b9ea41393.exe"
1⤵
- Checks SCSI registry key(s)
PID:3380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 384
2⤵
- Program crash
PID:2552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3380 -ip 3380
1⤵
PID:912

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/3380-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3380-2-0x0000000004440000-0x000000000444B000-memory.dmp

Filesize
44KB

Download
memory/3380-1-0x0000000002820000-0x0000000002920000-memory.dmp

Filesize
1024KB

Download
memory/3380-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3380-4-0x0000000000400000-0x000000000273B000-memory.dmp

Filesize
35.2MB

Download