smokeloader | bb5c3074578acf3af7cd3386ded08e9301696792f8c39e40d59750446a32b1e5

Analysis

max time kernel
90s
max time network
96s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
26-07-2024 23:38

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General

Target

bb5c3074578acf3af7cd3386ded08e9301696792f8c39e40d59750446a32b1e5.exe
Size

233KB
MD5

c7ff91927e8e04f789d342dbea0acd9a
SHA1

e1c74016252f192720bec0ce7e586091d81a906c
SHA256

bb5c3074578acf3af7cd3386ded08e9301696792f8c39e40d59750446a32b1e5
SHA512

dea20486861045a4409ee64d8e9329cc441fcaefc9a7513d8b1b63a5a5550eff29ea0559dad7018b2dd37f0eee18f534630a2eb83874fc1dfe5b9b5184ed7ada
SSDEEP

3072:xCVuay93ubwEso9cGc7TwfWAVHm6Kb4tntz++oAkVd5tdsqQxXSTzXUCor:scay93GwEsSYsfWpGjS9AkDnOVZS3UC

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

240 2388 WerFault.exe bb5c3074578acf3af7cd3386ded08e9301696792f8c39e40d59750446a32b1e5.exe

pid	pid_target	process	target process
240	2388	WerFault.exe	bb5c3074578acf3af7cd3386ded08e9301696792f8c39e40d59750446a32b1e5.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:

bb5c3074578acf3af7cd3386ded08e9301696792f8c39e40d59750446a32b1e5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bb5c3074578acf3af7cd3386ded08e9301696792f8c39e40d59750446a32b1e5.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:

bb5c3074578acf3af7cd3386ded08e9301696792f8c39e40d59750446a32b1e5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bb5c3074578acf3af7cd3386ded08e9301696792f8c39e40d59750446a32b1e5.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bb5c3074578acf3af7cd3386ded08e9301696792f8c39e40d59750446a32b1e5.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bb5c3074578acf3af7cd3386ded08e9301696792f8c39e40d59750446a32b1e5.exe

C:\Users\Admin\AppData\Local\Temp\bb5c3074578acf3af7cd3386ded08e9301696792f8c39e40d59750446a32b1e5.exe
"C:\Users\Admin\AppData\Local\Temp\bb5c3074578acf3af7cd3386ded08e9301696792f8c39e40d59750446a32b1e5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:2388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 388
2⤵
- Program crash
PID:240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2388 -ip 2388
1⤵
PID:2888

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/2388-1-0x00000000025E0000-0x00000000026E0000-memory.dmp

Filesize
1024KB

Download
memory/2388-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2388-2-0x0000000004160000-0x000000000416B000-memory.dmp

Filesize
44KB

Download
memory/2388-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2388-4-0x0000000000400000-0x0000000002454000-memory.dmp

Filesize
32.3MB

Download