smokeloader | c2647db7431c0ad5d159b8630e17a5f97a3ed537671d61e1a55634d10b59fb9c

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-10-2024 07:16

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General

Target

4eb8cb9f290360ba48850d6ad31379a0.exe
Size

418KB
MD5

4eb8cb9f290360ba48850d6ad31379a0
SHA1

1629f201d74dea85d4c6bbbf70c8b22e07b1c560
SHA256

c2647db7431c0ad5d159b8630e17a5f97a3ed537671d61e1a55634d10b59fb9c
SHA512

0ae33b53cdc4c0caa72905abd9192076f1557441bd699673ce56d0fa20fa5e6cb8bdaedb16b5f7c3e125856d446baf96c4c2457552154ca4d91f178eac65dbd2
SSDEEP

6144:cLQpGLEE6iI23RyVyYGGtYieEjOuZb14FLoEhC9TEDv3yLAc:cckLEE65232yYGEYn6Zb145NIWz3

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

3992 1772 WerFault.exe 4eb8cb9f290360ba48850d6ad31379a0.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:

4eb8cb9f290360ba48850d6ad31379a0.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4eb8cb9f290360ba48850d6ad31379a0.exe

pid	pid_target	process	target process
3992	1772	WerFault.exe	4eb8cb9f290360ba48850d6ad31379a0.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4eb8cb9f290360ba48850d6ad31379a0.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:

4eb8cb9f290360ba48850d6ad31379a0.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4eb8cb9f290360ba48850d6ad31379a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4eb8cb9f290360ba48850d6ad31379a0.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4eb8cb9f290360ba48850d6ad31379a0.exe

C:\Users\Admin\AppData\Local\Temp\4eb8cb9f290360ba48850d6ad31379a0.exe
"C:\Users\Admin\AppData\Local\Temp\4eb8cb9f290360ba48850d6ad31379a0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:1772
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 352
  2⤵
  - Program crash
  PID:3992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1772 -ip 1772
1⤵
PID:2856

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/1772-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/1772-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1772-3-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1772-4-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1772-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download