smokeloader | a3a733ffb8651356b301b36807c978f100f8468c5738624d46a1fd032fa37321

Analysis

max time kernel
147s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
12-05-2024 09:10

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General

Target

a3a733ffb8651356b301b36807c978f100f8468c5738624d46a1fd032fa37321.exe
Size

240KB
MD5

1de06f9539885b3788d336659cc34608
SHA1

354d870aa5ae66519e8c4b6f7430d0480ab66dbb
SHA256

a3a733ffb8651356b301b36807c978f100f8468c5738624d46a1fd032fa37321
SHA512

a75d0df293947239e96ced68fa9557b5ef169341a99a0bcfa40fd31fd0369202e24993a460eea2a03d5a83beb1aa23f24c5faf41b8de25ee9ebb465260c4462c
SSDEEP

3072:eJOwVpP/PPU5npctUGqBW+8m7ED1wicU1xkS+pI4bliVXvJr8JM3p5ce6hVs:ermaW/WQa1wiCLpIXB6aOe6h

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

988 1384 WerFault.exe a3a733ffb8651356b301b36807c978f100f8468c5738624d46a1fd032fa37321.exe

pid	pid_target	process	target process
988	1384	WerFault.exe	a3a733ffb8651356b301b36807c978f100f8468c5738624d46a1fd032fa37321.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:

a3a733ffb8651356b301b36807c978f100f8468c5738624d46a1fd032fa37321.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a3a733ffb8651356b301b36807c978f100f8468c5738624d46a1fd032fa37321.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a3a733ffb8651356b301b36807c978f100f8468c5738624d46a1fd032fa37321.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a3a733ffb8651356b301b36807c978f100f8468c5738624d46a1fd032fa37321.exe

C:\Users\Admin\AppData\Local\Temp\a3a733ffb8651356b301b36807c978f100f8468c5738624d46a1fd032fa37321.exe
"C:\Users\Admin\AppData\Local\Temp\a3a733ffb8651356b301b36807c978f100f8468c5738624d46a1fd032fa37321.exe"
1⤵
- Checks SCSI registry key(s)
PID:1384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 384
2⤵
- Program crash
PID:988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1384 -ip 1384
1⤵
PID:1916

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/1384-1-0x0000000000A60000-0x0000000000B60000-memory.dmp

Filesize
1024KB

Download
memory/1384-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1384-2-0x0000000000A00000-0x0000000000A0B000-memory.dmp

Filesize
44KB

Download
memory/1384-4-0x0000000000400000-0x0000000000792000-memory.dmp

Filesize
3.6MB

Download