smokeloader | 4098056d26550d120329a35bd96cfa1d2179673b270a553591e19b829b2b58e5

Analysis

max time kernel
136s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 13:37

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General

Target

c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe
Size

211KB
MD5

28c17350f0da6941f68bbea0eb5af380
SHA1

42d3ea0b53b6f76b729a9cef45341fae29933d88
SHA256

c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b
SHA512

b1bd4d2d1787575b7d5155926aa248203b317f33e13eb237ecb1d33353c3146e6ed67da239f0e96ff98adf8aa7309e6f37f666107176bb6461621d7287fb750f
SSDEEP

3072:BIVw4zCuQGezasu4/2z6EuQ/yu0ZsBMRpSQDB8mm3CmO:BIm4GudBsukQ5o8NR

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

2536 1648 WerFault.exe c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe

pid	pid_target	process	target process
2536	1648	WerFault.exe	c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.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:

c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe

C:\Users\Admin\AppData\Local\Temp\c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe
"C:\Users\Admin\AppData\Local\Temp\c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe"
1⤵
- Checks SCSI registry key(s)
PID:1648
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1648 -s 460
  2⤵
  - Program crash
  PID:2536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1648 -ip 1648
1⤵
PID:2480

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

Replay Monitor

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Downloads

memory/1648-2-0x0000000002D70000-0x0000000002D7B000-memory.dmp

Filesize
44KB

Download
memory/1648-1-0x0000000002F60000-0x0000000003060000-memory.dmp

Filesize
1024KB

Download
memory/1648-3-0x0000000000400000-0x0000000002BE0000-memory.dmp

Filesize
39.9MB

Download