smokeloader | 1730304cd9b73119ef0e92067af219f156c5b8ea54568b86630fe9caada0c56a

Analysis

max time kernel
92s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
30-04-2024 23:39

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General

Target

1730304cd9b73119ef0e92067af219f156c5b8ea54568b86630fe9caada0c56a.exe
Size

280KB
MD5

3e5bb502312b195d975185074c96c8a8
SHA1

3e0112e363999c5e68ed1e348f524bea6ba94bc9
SHA256

1730304cd9b73119ef0e92067af219f156c5b8ea54568b86630fe9caada0c56a
SHA512

b6d5732928004e29d73b65d2164080bc2121d99b817a6a098defb4c2f08a9263da77f0c8d5254f0b99cb7f0805b0f6662e24578eb55da88c8bb119cd1608dbc6
SSDEEP

3072:oa1QHd0p+8BQt+Y+gT0AWUuGz9ZuEJmLDlW9U634oByUTgVQ:ofarytOgTaGhE2m1W9zO

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

4540 2036 WerFault.exe 1730304cd9b73119ef0e92067af219f156c5b8ea54568b86630fe9caada0c56a.exe

pid	pid_target	process	target process
4540	2036	WerFault.exe	1730304cd9b73119ef0e92067af219f156c5b8ea54568b86630fe9caada0c56a.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:

1730304cd9b73119ef0e92067af219f156c5b8ea54568b86630fe9caada0c56a.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1730304cd9b73119ef0e92067af219f156c5b8ea54568b86630fe9caada0c56a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1730304cd9b73119ef0e92067af219f156c5b8ea54568b86630fe9caada0c56a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1730304cd9b73119ef0e92067af219f156c5b8ea54568b86630fe9caada0c56a.exe

C:\Users\Admin\AppData\Local\Temp\1730304cd9b73119ef0e92067af219f156c5b8ea54568b86630fe9caada0c56a.exe
"C:\Users\Admin\AppData\Local\Temp\1730304cd9b73119ef0e92067af219f156c5b8ea54568b86630fe9caada0c56a.exe"
1⤵
- Checks SCSI registry key(s)
PID:2036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 384
2⤵
- Program crash
PID:4540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2036 -ip 2036
1⤵
PID:4612

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/2036-1-0x0000000001B50000-0x0000000001C50000-memory.dmp

Filesize
1024KB

Download
memory/2036-2-0x0000000001B30000-0x0000000001B3B000-memory.dmp

Filesize
44KB

Download
memory/2036-3-0x0000000000400000-0x0000000001A11000-memory.dmp

Filesize
22.1MB

Download
memory/2036-5-0x0000000001B30000-0x0000000001B3B000-memory.dmp

Filesize
44KB

Download