smokeloader | 44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
07-05-2024 09:12

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General

Target

44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046.exe
Size

208KB
MD5

026d553f5e3ef3ed1a2a1203f5806b82
SHA1

b16b54fc00bcb81e20ff70d5e548c6d114325201
SHA256

44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046
SHA512

7e8dd6c9c2603bb596cf6ff9636fd7950a91d09c2d0c17b7c43c7fba8264325cbc3461f4cb909a565db0bb0d4af9f1e1a607071adf71e378e3f8f774c354e721
SSDEEP

1536:Kn/jNU5+17bkbMb92dG+OKGSNkN7u0mDdsJTqjFKmE3QIDBF/5B8V2y1IvM:exb9UGwGMkU0gdsJesmE3dDL/5B8cc

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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

3812 4888 WerFault.exe 44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046.exe

pid	pid_target	process	target process
3812	4888	WerFault.exe	44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046.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:

44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046.exe

C:\Users\Admin\AppData\Local\Temp\44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046.exe
"C:\Users\Admin\AppData\Local\Temp\44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046.exe"
1⤵
- Checks SCSI registry key(s)
PID:4888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 384
2⤵
- Program crash
PID:3812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4888 -ip 4888
1⤵
PID:3440

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4888-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4888-2-0x0000000002C00000-0x0000000002C0B000-memory.dmp

Filesize
44KB

Download
memory/4888-1-0x0000000002D10000-0x0000000002E10000-memory.dmp

Filesize
1024KB

Download
memory/4888-4-0x0000000000400000-0x0000000002AF2000-memory.dmp

Filesize
38.9MB

Download