smokeloader | b2bc2b0411a1ff0ff97793bda704e8ae1232db8f56f17e8a93a2d919cc30aef3

Analysis

max time kernel
146s
max time network
159s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
28-07-2024 02:35

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General

Target

b2bc2b0411a1ff0ff97793bda704e8ae1232db8f56f17e8a93a2d919cc30aef3.exe
Size

232KB
MD5

53c7c0a836ab869a22c91c7a140ba55c
SHA1

f82b18ea22e4df3fb0332f119ba2a228c519b1d3
SHA256

b2bc2b0411a1ff0ff97793bda704e8ae1232db8f56f17e8a93a2d919cc30aef3
SHA512

df15d9b2488f0c6187a77439279ebc0b67197b15c48b88d212408c35194fa15f8241d14b2d45a0a4cc62e906a80e192f2f238d3be1bd14f4df01026997704cbd
SSDEEP

3072:+B6ieC9oorerQEUj5N7e4uYa8NpXI1USva9FeOw56U/n:iDeCZre8EUj5NVbpXaezbU/

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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

3164 4452 WerFault.exe b2bc2b0411a1ff0ff97793bda704e8ae1232db8f56f17e8a93a2d919cc30aef3.exe

pid	pid_target	process	target process
3164	4452	WerFault.exe	b2bc2b0411a1ff0ff97793bda704e8ae1232db8f56f17e8a93a2d919cc30aef3.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

b2bc2b0411a1ff0ff97793bda704e8ae1232db8f56f17e8a93a2d919cc30aef3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2bc2b0411a1ff0ff97793bda704e8ae1232db8f56f17e8a93a2d919cc30aef3.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:

b2bc2b0411a1ff0ff97793bda704e8ae1232db8f56f17e8a93a2d919cc30aef3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b2bc2b0411a1ff0ff97793bda704e8ae1232db8f56f17e8a93a2d919cc30aef3.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b2bc2b0411a1ff0ff97793bda704e8ae1232db8f56f17e8a93a2d919cc30aef3.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b2bc2b0411a1ff0ff97793bda704e8ae1232db8f56f17e8a93a2d919cc30aef3.exe

C:\Users\Admin\AppData\Local\Temp\b2bc2b0411a1ff0ff97793bda704e8ae1232db8f56f17e8a93a2d919cc30aef3.exe
"C:\Users\Admin\AppData\Local\Temp\b2bc2b0411a1ff0ff97793bda704e8ae1232db8f56f17e8a93a2d919cc30aef3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 388
2⤵
- Program crash
PID:3164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4452 -ip 4452
1⤵
PID:660

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4452-1-0x00000000025A0000-0x00000000026A0000-memory.dmp

Filesize
1024KB

Download
memory/4452-2-0x00000000042A0000-0x00000000042AB000-memory.dmp

Filesize
44KB

Download
memory/4452-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4452-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4452-5-0x00000000042A0000-0x00000000042AB000-memory.dmp

Filesize
44KB

Download
memory/4452-4-0x0000000000400000-0x0000000002453000-memory.dmp

Filesize
32.3MB

Download