smokeloader | 004c59e17178ebbc86da08ea93eb39064a86f5d1be7c18d330c15f80dde8504b

Analysis

max time kernel
91s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
14-07-2024 08:50

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General

Target

Downloads/arwbjuh.exe
Size

294KB
MD5

2b292145e4ec28e8bd8b22c1353543d1
SHA1

d9b9d23b2c320efcaf54ddcba8b42540f3934aa0
SHA256

60bda530b226d63299968670e256a9a2896ab69076e16792436e92f95bc0d0e0
SHA512

2b0cd9732b39fb99b37a0a67c091083e31989c9e41a2c9be6da8f3d10382d65d27a79968dc9c9abc55bf659d47898d17f9f4a6873a0046612ca76733cd50ca58
SSDEEP

3072:Dq3vlb4qEAkDhZdrTbLC9VZBjnNgRM6Fh:DybjEXFZd3C9VZ7eF

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

pid	pid_target	Process	procid_target
244	4456	WerFault.exe	83

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	arwbjuh.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	arwbjuh.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	arwbjuh.exe

C:\Users\Admin\AppData\Local\Temp\Downloads\arwbjuh.exe
"C:\Users\Admin\AppData\Local\Temp\Downloads\arwbjuh.exe"
1⤵
- Checks SCSI registry key(s)
PID:4456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 460
  2⤵
  - Program crash
  PID:244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4456 -ip 4456
1⤵
PID:4344

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/4456-1-0x0000000002200000-0x0000000002300000-memory.dmp

Filesize
1024KB

Download
memory/4456-2-0x0000000002170000-0x000000000217B000-memory.dmp

Filesize
44KB

Download
memory/4456-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4456-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4456-4-0x0000000000400000-0x0000000002092000-memory.dmp

Filesize
28.6MB

Download