smokeloader | d6fa3761da71dfb9005c7692f59db8b03617d4749855e9a1dca1021c59723568

General

Target

d6fa3761da71dfb9005c7692f59db8b03617d4749855e9a1dca1021c59723568.exe
Size

213KB
MD5

665c548fab0dd7237e8b4dfcfbe7b966
SHA1

4993b70dfce21bb7d22143ea28d080cb5ca5e3e1
SHA256

d6fa3761da71dfb9005c7692f59db8b03617d4749855e9a1dca1021c59723568
SHA512

4a15dcb0d3ad65b47f505c897cce188f0374262c6c578c3ba0572aab2f07e84a15c483dff5dcda11cb5a141ec691d425965a5c772df0b4a4dc8a5f6ed08121b5
SSDEEP

3072:U/LhUqt7fj6tDweHyEC9cDq4FY55wXnDY7Yi:4fj6vyEssYg

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://cellc.org/tmp/index.php

http://h-c-v.ru/tmp/index.php

http://icebrasilpr.com/tmp/index.php

http://piratia-life.ru/tmp/index.php

http://piratia.su/tmp/index.php

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Downloads MZ/PE file
Deletes itself 1 IoCs

Processes:

pid process

1212
Executes dropped EXE 1 IoCs

Processes:

8601.exe

pid process

2548 8601.exe

pid	process
1212

pid	process
2548	8601.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:

d6fa3761da71dfb9005c7692f59db8b03617d4749855e9a1dca1021c59723568.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d6fa3761da71dfb9005c7692f59db8b03617d4749855e9a1dca1021c59723568.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d6fa3761da71dfb9005c7692f59db8b03617d4749855e9a1dca1021c59723568.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d6fa3761da71dfb9005c7692f59db8b03617d4749855e9a1dca1021c59723568.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

d6fa3761da71dfb9005c7692f59db8b03617d4749855e9a1dca1021c59723568.exe

pid	process
2868	d6fa3761da71dfb9005c7692f59db8b03617d4749855e9a1dca1021c59723568.exe
2868	d6fa3761da71dfb9005c7692f59db8b03617d4749855e9a1dca1021c59723568.exe
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

d6fa3761da71dfb9005c7692f59db8b03617d4749855e9a1dca1021c59723568.exe

pid process

2868 d6fa3761da71dfb9005c7692f59db8b03617d4749855e9a1dca1021c59723568.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 1212
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

pid process

1212
1212
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

pid process

1212
1212

description	pid	process
Token: SeShutdownPrivilege	1212

pid	process
1212
1212

pid	process
1212
1212

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

description	pid	target process
PID 1212 wrote to memory of 2548	1212	8601.exe
PID 1212 wrote to memory of 2548	1212	8601.exe
PID 1212 wrote to memory of 2548	1212	8601.exe
PID 1212 wrote to memory of 2548	1212	8601.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\d6fa3761da71dfb9005c7692f59db8b03617d4749855e9a1dca1021c59723568.exe
"C:\Users\Admin\AppData\Local\Temp\d6fa3761da71dfb9005c7692f59db8b03617d4749855e9a1dca1021c59723568.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2868

C:\Users\Admin\AppData\Local\Temp\8601.exe
C:\Users\Admin\AppData\Local\Temp\8601.exe
1⤵
- Executes dropped EXE
PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\8601.exe

Filesize
331KB

MD5
cc193035cd8f2bbd157ff4987775fbce

SHA1
62c5c7fb9ea684901b096993ffa94ccd061f7a7b

SHA256
95cee0c04c33b542a2d8d1f675b2c6610d91e9a406d744e9fef9197b8be57b6a

SHA512
157d687bb89b960b32da06b27edbd85d474531bfe7395bffa30fb207f6fcd1f57ce834f2d87b839d75b5200dafc69b72649c801c0876f4bee2c3e98695fb855c

Download Submit
memory/1212-4-0x0000000002E00000-0x0000000002E16000-memory.dmp

Filesize
88KB

Download
memory/2548-21-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2548-19-0x0000000000400000-0x0000000002B10000-memory.dmp

Filesize
39.1MB

Download
memory/2548-20-0x00000000002E0000-0x000000000032C000-memory.dmp

Filesize
304KB

Download
memory/2548-22-0x0000000000400000-0x0000000002B10000-memory.dmp

Filesize
39.1MB

Download
memory/2548-23-0x0000000000400000-0x0000000002B10000-memory.dmp

Filesize
39.1MB

Download
memory/2868-1-0x0000000002BD0000-0x0000000002CD0000-memory.dmp

Filesize
1024KB

Download
memory/2868-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2868-2-0x0000000000220000-0x000000000022B000-memory.dmp

Filesize
44KB

Download
memory/2868-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2868-5-0x0000000000400000-0x0000000002AF2000-memory.dmp

Filesize
38.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads