smokeloader | defbb816e1377fd6284d6434812c712b4449125116c8909eb5ac947a851b4ff8

Analysis

max time kernel
132s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25-05-2024 22:10

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General

Target

defbb816e1377fd6284d6434812c712b4449125116c8909eb5ac947a851b4ff8.exe
Size

234KB
MD5

38003bd5a3926858480c930f02ef7753
SHA1

16d2630ccbbd1c723709fa6fc6a535aeab895da1
SHA256

defbb816e1377fd6284d6434812c712b4449125116c8909eb5ac947a851b4ff8
SHA512

3b601014e42a1d138c021b7f014131e70f8e01f879ce002d42ea1828d5078217e4ff94d97ef9c3072ee066f3c7506291b5123abd8b9933824812ce72db98d7cb
SSDEEP

3072:nMySERDqNMkanWE4auSH+U5lPLMhYyGQY5MMqLGZ2sEs8OGrid//KTiHY:plUGkaWzau0RMWAY5MMq6Z5EswC//KT

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

4820 3240 WerFault.exe defbb816e1377fd6284d6434812c712b4449125116c8909eb5ac947a851b4ff8.exe

pid	pid_target	process	target process
4820	3240	WerFault.exe	defbb816e1377fd6284d6434812c712b4449125116c8909eb5ac947a851b4ff8.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:

defbb816e1377fd6284d6434812c712b4449125116c8909eb5ac947a851b4ff8.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	defbb816e1377fd6284d6434812c712b4449125116c8909eb5ac947a851b4ff8.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	defbb816e1377fd6284d6434812c712b4449125116c8909eb5ac947a851b4ff8.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	defbb816e1377fd6284d6434812c712b4449125116c8909eb5ac947a851b4ff8.exe

C:\Users\Admin\AppData\Local\Temp\defbb816e1377fd6284d6434812c712b4449125116c8909eb5ac947a851b4ff8.exe
"C:\Users\Admin\AppData\Local\Temp\defbb816e1377fd6284d6434812c712b4449125116c8909eb5ac947a851b4ff8.exe"
1⤵
- Checks SCSI registry key(s)
PID:3240
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3240 -s 352
  2⤵
  - Program crash
  PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3240 -ip 3240
1⤵
PID:1684

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3240-1-0x0000000002EF0000-0x0000000002FF0000-memory.dmp

Filesize
1024KB

Download
memory/3240-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3240-2-0x0000000002EC0000-0x0000000002ECB000-memory.dmp

Filesize
44KB

Download
memory/3240-4-0x0000000000400000-0x0000000002C9A000-memory.dmp

Filesize
40.6MB

Download