smokeloader | 3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7

Analysis

max time kernel
91s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
02-05-2024 21:36

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General

Target

3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe
Size

272KB
MD5

a9c28724b16c3bb3af2fdb5aa9be277c
SHA1

bef9c7b857d0bc6c0d90204765704ca411a60e6d
SHA256

3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7
SHA512

6966dd9ae3c17c83db07ffaf69d035a89d82a315dd92d7465192e0fc14c7e750b1fb2163c662a926b103e516fffdb345112353f054cad079aab96a1b17a4bc3f
SSDEEP

6144:Dw7X5rSoVVk3NqPNPhZ0Q4KROPnEJRYiyP:D0xSoVyNqPNIXGRe

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

2844 4664 WerFault.exe 3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe

pid	pid_target	process	target process
2844	4664	WerFault.exe	3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.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:

3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe

C:\Users\Admin\AppData\Local\Temp\3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe
"C:\Users\Admin\AppData\Local\Temp\3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe"
1⤵
- Checks SCSI registry key(s)
PID:4664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 384
2⤵
- Program crash
PID:2844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4664 -ip 4664
1⤵
PID:5116

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/4664-2-0x0000000001BA0000-0x0000000001BAB000-memory.dmp

Filesize
44KB

Download
memory/4664-1-0x0000000001BB0000-0x0000000001CB0000-memory.dmp

Filesize
1024KB

Download
memory/4664-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4664-4-0x0000000000400000-0x0000000001A0F000-memory.dmp

Filesize
22.1MB

Download