smokeloader | 49bce5c64ecd75162aef2a9b882b55bb3524a731d5853106cbf191acf946ac47

Analysis

max time kernel
94s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 09:52

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General

Target

4b59735ef6a2a1b87425256235dc923a.exe
Size

371KB
MD5

4b59735ef6a2a1b87425256235dc923a
SHA1

4361a3409a9c15aa93f17ae2406fc4b21b73cdea
SHA256

49bce5c64ecd75162aef2a9b882b55bb3524a731d5853106cbf191acf946ac47
SHA512

90a1941299912e40923270de145b60b25c5c416f1aba9f48efb86e376bc09807f49859231eab3043ab1726b6b88872ac4fbba3bc275ac5d2c01117cd354a3fe9
SSDEEP

6144:fDoOyMjLQyI0FrvVhQU3j8h1+BDHcM6++ra9n+:fDow8yILUz8h1aDI+69

Score

10^/10

smokeloader oct backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

oct

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1040 4824 WerFault.exe 4b59735ef6a2a1b87425256235dc923a.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:

4b59735ef6a2a1b87425256235dc923a.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4b59735ef6a2a1b87425256235dc923a.exe

pid	pid_target	process	target process
1040	4824	WerFault.exe	4b59735ef6a2a1b87425256235dc923a.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4b59735ef6a2a1b87425256235dc923a.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:

4b59735ef6a2a1b87425256235dc923a.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4b59735ef6a2a1b87425256235dc923a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4b59735ef6a2a1b87425256235dc923a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4b59735ef6a2a1b87425256235dc923a.exe

C:\Users\Admin\AppData\Local\Temp\4b59735ef6a2a1b87425256235dc923a.exe
"C:\Users\Admin\AppData\Local\Temp\4b59735ef6a2a1b87425256235dc923a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 352
  2⤵
  - Program crash
  PID:1040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4824 -ip 4824
1⤵
PID:4276

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/4824-2-0x0000000000870000-0x0000000000879000-memory.dmp

Filesize
36KB

Download
memory/4824-1-0x0000000000880000-0x0000000000980000-memory.dmp

Filesize
1024KB

Download
memory/4824-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4824-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4824-5-0x0000000000870000-0x0000000000879000-memory.dmp

Filesize
36KB

Download
memory/4824-4-0x0000000000400000-0x000000000085F000-memory.dmp

Filesize
4.4MB

Download