smokeloader | 3884cef0375b432baede37dc31499c5cd4bbf1ec2c3fd6c263ac35d02558b0aa

Analysis

max time kernel
66s
max time network
54s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
30-04-2024 19:56

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General

Target

3884cef0375b432baede37dc31499c5cd4bbf1ec2c3fd6c263ac35d02558b0aa.exe
Size

266KB
MD5

e90b8fcf042df895b82dc773b7a56981
SHA1

7c43a268e08d2a9ad0af528d7a24cbb343083d28
SHA256

3884cef0375b432baede37dc31499c5cd4bbf1ec2c3fd6c263ac35d02558b0aa
SHA512

246b6a9264e3e42583e344ae94db458174507abaa072adfbc2fe5ead5a4e2e09fbdcdf368ae02b29eea2316777648630615aaa1a2ce1363ad1071c5e58748b24
SSDEEP

3072:GI1vETfpugQd5+c+gT0A5Wo4G6slcU6xEESJeiGSHNrQsvBzX8DZci0L2XgVwU:GlDjc5agTW+6enHbRv1X8DZk2w

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

3352 5072 WerFault.exe 3884cef0375b432baede37dc31499c5cd4bbf1ec2c3fd6c263ac35d02558b0aa.exe

pid	pid_target	process	target process
3352	5072	WerFault.exe	3884cef0375b432baede37dc31499c5cd4bbf1ec2c3fd6c263ac35d02558b0aa.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:

3884cef0375b432baede37dc31499c5cd4bbf1ec2c3fd6c263ac35d02558b0aa.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3884cef0375b432baede37dc31499c5cd4bbf1ec2c3fd6c263ac35d02558b0aa.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3884cef0375b432baede37dc31499c5cd4bbf1ec2c3fd6c263ac35d02558b0aa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3884cef0375b432baede37dc31499c5cd4bbf1ec2c3fd6c263ac35d02558b0aa.exe

C:\Users\Admin\AppData\Local\Temp\3884cef0375b432baede37dc31499c5cd4bbf1ec2c3fd6c263ac35d02558b0aa.exe
"C:\Users\Admin\AppData\Local\Temp\3884cef0375b432baede37dc31499c5cd4bbf1ec2c3fd6c263ac35d02558b0aa.exe"
1⤵
- Checks SCSI registry key(s)
PID:5072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 352
2⤵
- Program crash
PID:3352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5072 -ip 5072
1⤵
PID:1324

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/5072-1-0x0000000001BB0000-0x0000000001CB0000-memory.dmp

Filesize
1024KB

Download
memory/5072-2-0x0000000001B70000-0x0000000001B7B000-memory.dmp

Filesize
44KB

Download
memory/5072-3-0x0000000000400000-0x0000000001A0E000-memory.dmp

Filesize
22.1MB

Download