smokeloader | cbe7fc2d9ae174b4c2c9c8a6b03870f0c721d32d468eee3761d375be56c1b8ac

Analysis

max time kernel
90s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
25-05-2024 22:10

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General

Target

cbe7fc2d9ae174b4c2c9c8a6b03870f0c721d32d468eee3761d375be56c1b8ac.exe
Size

233KB
MD5

5faf74f1d64eb617d0aee4aaf3746f12
SHA1

562a10230e0b96a1dcc9c848a2afca766e38bf75
SHA256

cbe7fc2d9ae174b4c2c9c8a6b03870f0c721d32d468eee3761d375be56c1b8ac
SHA512

86e9bab1d6ce26c95473a29fbe9e777cda568ba4e2e3c450214123f1e7699ec63aaadcd3b323b2e196176e4f4f9ecad4eb551d4b48c9b84f3e4b853dfd56d3df
SSDEEP

3072:XMyBkI+eqyQrskQ/COQSH+45lSgnPGcf6Fcx2YcwB8vAapMkTMCMC7TiHY:5uCbQQk2nQ0dnusNxpJBtkTQkT

Score

10^/10

smokeloader pub4 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

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

4660 2492 WerFault.exe cbe7fc2d9ae174b4c2c9c8a6b03870f0c721d32d468eee3761d375be56c1b8ac.exe

pid	pid_target	process	target process
4660	2492	WerFault.exe	cbe7fc2d9ae174b4c2c9c8a6b03870f0c721d32d468eee3761d375be56c1b8ac.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:

cbe7fc2d9ae174b4c2c9c8a6b03870f0c721d32d468eee3761d375be56c1b8ac.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cbe7fc2d9ae174b4c2c9c8a6b03870f0c721d32d468eee3761d375be56c1b8ac.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cbe7fc2d9ae174b4c2c9c8a6b03870f0c721d32d468eee3761d375be56c1b8ac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cbe7fc2d9ae174b4c2c9c8a6b03870f0c721d32d468eee3761d375be56c1b8ac.exe

C:\Users\Admin\AppData\Local\Temp\cbe7fc2d9ae174b4c2c9c8a6b03870f0c721d32d468eee3761d375be56c1b8ac.exe
"C:\Users\Admin\AppData\Local\Temp\cbe7fc2d9ae174b4c2c9c8a6b03870f0c721d32d468eee3761d375be56c1b8ac.exe"
1⤵
- Checks SCSI registry key(s)
PID:2492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 384
  2⤵
  - Program crash
  PID:4660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2492 -ip 2492
1⤵
PID:2860

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

Replay Monitor

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Downloads

memory/2492-1-0x0000000002E70000-0x0000000002F70000-memory.dmp

Filesize
1024KB

Download
memory/2492-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2492-2-0x00000000049A0000-0x00000000049AB000-memory.dmp

Filesize
44KB

Download
memory/2492-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2492-4-0x0000000000400000-0x0000000002C9A000-memory.dmp

Filesize
40.6MB

Download