smokeloader | 271af1935d375377b09fcdf9645c482cacb258f4c0a3da8c971b3bf00d018bb3

Analysis

max time kernel
130s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2024 19:12

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General

Target

271af1935d375377b09fcdf9645c482cacb258f4c0a3da8c971b3bf00d018bb3.exe
Size

181KB
MD5

4a27ba654b519c2d045dbc20d5dc8a47
SHA1

beb49df05b81bcd0c981dda4b655363110f71d7c
SHA256

271af1935d375377b09fcdf9645c482cacb258f4c0a3da8c971b3bf00d018bb3
SHA512

01cd78a47fe23091b1ebbaaeaf0c0fe5149cbc6d0320bb0a3f3483610f7ce699b44a322575fef553ceadc4143d57e8977f7d26daa2a42e38e0851d0bd79cff29
SSDEEP

3072:2hbc6RL+FcjvyllDwVivB/lyRu5cA9QFq83zcJQIurRWm/4:25jj6jwVOtqA9QFq83zcJQIurRWm

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

832 1292 WerFault.exe 271af1935d375377b09fcdf9645c482cacb258f4c0a3da8c971b3bf00d018bb3.exe

pid	pid_target	process	target process
832	1292	WerFault.exe	271af1935d375377b09fcdf9645c482cacb258f4c0a3da8c971b3bf00d018bb3.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:

271af1935d375377b09fcdf9645c482cacb258f4c0a3da8c971b3bf00d018bb3.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	271af1935d375377b09fcdf9645c482cacb258f4c0a3da8c971b3bf00d018bb3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	271af1935d375377b09fcdf9645c482cacb258f4c0a3da8c971b3bf00d018bb3.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	271af1935d375377b09fcdf9645c482cacb258f4c0a3da8c971b3bf00d018bb3.exe

C:\Users\Admin\AppData\Local\Temp\271af1935d375377b09fcdf9645c482cacb258f4c0a3da8c971b3bf00d018bb3.exe
"C:\Users\Admin\AppData\Local\Temp\271af1935d375377b09fcdf9645c482cacb258f4c0a3da8c971b3bf00d018bb3.exe"
1⤵
- Checks SCSI registry key(s)
PID:1292
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 352
  2⤵
  - Program crash
  PID:832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1292 -ip 1292
1⤵
PID:716

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/1292-2-0x0000000002350000-0x000000000235B000-memory.dmp

Filesize
44KB

Download
memory/1292-1-0x0000000002380000-0x0000000002480000-memory.dmp

Filesize
1024KB

Download
memory/1292-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1292-5-0x0000000002350000-0x000000000235B000-memory.dmp

Filesize
44KB

Download
memory/1292-4-0x0000000000400000-0x000000000234A000-memory.dmp

Filesize
31.3MB

Download