smokeloader | 4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69

Analysis

max time kernel
142s
max time network
147s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
28-04-2024 09:00

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General

Target

4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69.exe
Size

311KB
MD5

204d683564be599027ba32ed8897842d
SHA1

d96443e1c8e085d130a5dc6ec00a00516af1f57c
SHA256

4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69
SHA512

1bf0cd9d003ec6bf538e3d5e189c0f8230942d50a44f37e89d3a81be2a66b65169ecb58d503e3a17cd25b3cda2af93e6b877c4accea04260a83140ed3f742869
SSDEEP

3072:n1Et3irRpiJFyw043mc8+i0+f4mmpbUPgkVhxEUxtK4SeI/QOQtUHERow6I7Ild:HwJFuhuYmmPn3ta2t8ER761d

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

5020 3884 WerFault.exe 4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69.exe

pid	pid_target	process	target process
5020	3884	WerFault.exe	4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69.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:

4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69.exe

C:\Users\Admin\AppData\Local\Temp\4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69.exe
"C:\Users\Admin\AppData\Local\Temp\4ebebc45004e498bdf1381747354206c02475f9fabd18e397897d3324081cb69.exe"
1⤵
- Checks SCSI registry key(s)
PID:3884
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 384
  2⤵
  - Program crash
  PID:5020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3884 -ip 3884
1⤵
PID:3876

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/3884-1-0x0000000001BC0000-0x0000000001CC0000-memory.dmp

Filesize
1024KB

Download
memory/3884-2-0x0000000003720000-0x000000000372B000-memory.dmp

Filesize
44KB

Download
memory/3884-3-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download