smokeloader | db3fc72f22f77f6510e14c30ef23d729ae173c2f59d6f0fd29120e5a4093b0ed

Analysis

max time kernel
132s
max time network
141s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
30-04-2024 09:55

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General

Target

db3fc72f22f77f6510e14c30ef23d729ae173c2f59d6f0fd29120e5a4093b0ed.exe
Size

279KB
MD5

85e48e909068358e0a1bb3c16edf17b1
SHA1

f2d0338d77a706644bb5ce87388735dfcba0cde3
SHA256

db3fc72f22f77f6510e14c30ef23d729ae173c2f59d6f0fd29120e5a4093b0ed
SHA512

9e399e1a939bc115b7a36e35b1a8b19624726a7898425bb9b705aa3f39aeb7d54e43ddc02b49196012c443e64387cefbd68207f157ad8fcba992d2ceb2409cbf
SSDEEP

3072:G5tvA8pRbecYTtV2jy+J1zoKjYtnOTqMiYyQePj9hqYWxPzVj+ubMHYx/Rtd2Ubl:QZLq7TrVsz9clOT4G+epxnZa+

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

4176 2780 WerFault.exe db3fc72f22f77f6510e14c30ef23d729ae173c2f59d6f0fd29120e5a4093b0ed.exe

pid	pid_target	process	target process
4176	2780	WerFault.exe	db3fc72f22f77f6510e14c30ef23d729ae173c2f59d6f0fd29120e5a4093b0ed.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:

db3fc72f22f77f6510e14c30ef23d729ae173c2f59d6f0fd29120e5a4093b0ed.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	db3fc72f22f77f6510e14c30ef23d729ae173c2f59d6f0fd29120e5a4093b0ed.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	db3fc72f22f77f6510e14c30ef23d729ae173c2f59d6f0fd29120e5a4093b0ed.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	db3fc72f22f77f6510e14c30ef23d729ae173c2f59d6f0fd29120e5a4093b0ed.exe

C:\Users\Admin\AppData\Local\Temp\db3fc72f22f77f6510e14c30ef23d729ae173c2f59d6f0fd29120e5a4093b0ed.exe
"C:\Users\Admin\AppData\Local\Temp\db3fc72f22f77f6510e14c30ef23d729ae173c2f59d6f0fd29120e5a4093b0ed.exe"
1⤵
- Checks SCSI registry key(s)
PID:2780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 384
2⤵
- Program crash
PID:4176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2780 -ip 2780
1⤵
PID:4700

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2780-2-0x0000000001C80000-0x0000000001C8B000-memory.dmp

Filesize
44KB

Download
memory/2780-1-0x0000000001CD0000-0x0000000001DD0000-memory.dmp

Filesize
1024KB

Download
memory/2780-3-0x0000000000400000-0x0000000001A11000-memory.dmp

Filesize
22.1MB

Download