smokeloader | 373e36d6bd0ca7ffa08c6cf2f36aeb62e0cb674541bce504f8b36f839223e8f2

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
29-06-2024 22:20

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General

Target

373e36d6bd0ca7ffa08c6cf2f36aeb62e0cb674541bce504f8b36f839223e8f2.exe
Size

213KB
MD5

8f495b0a848a455936c42ad43cc53c8d
SHA1

2d9db43226fc8536651b53736c34880bdc2b0f5e
SHA256

373e36d6bd0ca7ffa08c6cf2f36aeb62e0cb674541bce504f8b36f839223e8f2
SHA512

e43434889500d3a79e36125e4a3050bd19667c45c20503157203737e938978daa603dc5c67f8b53229a200624b9a1649549cf884dc5f26e35d7521d60b33ac42
SSDEEP

6144:8ORUCzkUGcxRlAZjIfH60TdIP853y2HsL:8CUCzkUGceZjYlqP4ZML

Score

10^/10

smokeloader pub2 backdoor 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

2348 2856 WerFault.exe 373e36d6bd0ca7ffa08c6cf2f36aeb62e0cb674541bce504f8b36f839223e8f2.exe

pid	pid_target	process	target process
2348	2856	WerFault.exe	373e36d6bd0ca7ffa08c6cf2f36aeb62e0cb674541bce504f8b36f839223e8f2.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:

373e36d6bd0ca7ffa08c6cf2f36aeb62e0cb674541bce504f8b36f839223e8f2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	373e36d6bd0ca7ffa08c6cf2f36aeb62e0cb674541bce504f8b36f839223e8f2.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	373e36d6bd0ca7ffa08c6cf2f36aeb62e0cb674541bce504f8b36f839223e8f2.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	373e36d6bd0ca7ffa08c6cf2f36aeb62e0cb674541bce504f8b36f839223e8f2.exe

C:\Users\Admin\AppData\Local\Temp\373e36d6bd0ca7ffa08c6cf2f36aeb62e0cb674541bce504f8b36f839223e8f2.exe
"C:\Users\Admin\AppData\Local\Temp\373e36d6bd0ca7ffa08c6cf2f36aeb62e0cb674541bce504f8b36f839223e8f2.exe"
1⤵
- Checks SCSI registry key(s)
PID:2856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 384
2⤵
- Program crash
PID:2348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2856 -ip 2856
1⤵
PID:1564

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2856-1-0x0000000002EF0000-0x0000000002FF0000-memory.dmp

Filesize
1024KB

Download
memory/2856-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2856-2-0x0000000002E50000-0x0000000002E5B000-memory.dmp

Filesize
44KB

Download
memory/2856-4-0x0000000000400000-0x0000000002BEF000-memory.dmp

Filesize
39.9MB

Download