smokeloader | 71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3

Analysis

max time kernel
136s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 13:30

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General

Target

file.exe
Size

219KB
MD5

503e59094f106fd25a0a6193d7556cdc
SHA1

f255f91c7d8fc94e4ec265b9ae5d2752c66b8fa2
SHA256

71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3
SHA512

99d73876925ad80afbdecb675b911a4043e146fa4a5370444467cf3532d228d702131c4e0d57be897e08adb42b20a4e8d3069274a14a4c2ae1035e0ef54c80fa
SSDEEP

3072:Wu5cM9Mh1cHctcQI041+TBhLyRd5rZmSUZ1ivIRFC2sx++cQN/pLpay:CM9bscR00+85rZfUDivIzy+BCh

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

5380 4808 WerFault.exe file.exe

pid	pid_target	process	target process
5380	4808	WerFault.exe	file.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:

file.exe

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

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks SCSI registry key(s)
PID:4808
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 268
  2⤵
  - Program crash
  PID:5380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4808 -ip 4808
1⤵
PID:4560

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/4808-1-0x0000000002F40000-0x0000000003040000-memory.dmp

Filesize
1024KB

Download
memory/4808-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4808-2-0x0000000002D20000-0x0000000002D2B000-memory.dmp

Filesize
44KB

Download
memory/4808-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4808-4-0x0000000000400000-0x0000000002C96000-memory.dmp

Filesize
40.6MB

Download