smokeloader | 603ca6b962a0545bcc4e06308d6e68cd771d535fb34b45960f7242dc855941e6

Analysis

max time kernel
291s
max time network
258s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
09-05-2024 23:02

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General

Target

603ca6b962a0545bcc4e06308d6e68cd771d535fb34b45960f7242dc855941e6.exe
Size

236KB
MD5

0be195eb467b67e6c00bc5e88821d5ac
SHA1

d77634b84160ee79e8838a0c6c32a87fbfdd4b8f
SHA256

603ca6b962a0545bcc4e06308d6e68cd771d535fb34b45960f7242dc855941e6
SHA512

a20b8b8d705d1366431e5386cead3a0ab41b7bb6b506ad745773aa3cd528f54b0cd155502919c82e7d6f972e64c4e7bb1fa04909cf9eb9703949cb75de046c2f
SSDEEP

3072:4/n08fMjzVnoZHkVGZMWaM75Fc8zDhLU:I3fMjzhkHkwZJaMf7hw

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

4552 3652 WerFault.exe 603ca6b962a0545bcc4e06308d6e68cd771d535fb34b45960f7242dc855941e6.exe

pid	pid_target	process	target process
4552	3652	WerFault.exe	603ca6b962a0545bcc4e06308d6e68cd771d535fb34b45960f7242dc855941e6.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:

603ca6b962a0545bcc4e06308d6e68cd771d535fb34b45960f7242dc855941e6.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	603ca6b962a0545bcc4e06308d6e68cd771d535fb34b45960f7242dc855941e6.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	603ca6b962a0545bcc4e06308d6e68cd771d535fb34b45960f7242dc855941e6.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	603ca6b962a0545bcc4e06308d6e68cd771d535fb34b45960f7242dc855941e6.exe

C:\Users\Admin\AppData\Local\Temp\603ca6b962a0545bcc4e06308d6e68cd771d535fb34b45960f7242dc855941e6.exe
"C:\Users\Admin\AppData\Local\Temp\603ca6b962a0545bcc4e06308d6e68cd771d535fb34b45960f7242dc855941e6.exe"
1⤵
- Checks SCSI registry key(s)
PID:3652
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 488
  2⤵
  - Program crash
  PID:4552

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/3652-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3652-2-0x0000000002D40000-0x0000000002D4B000-memory.dmp

Filesize
44KB

Download
memory/3652-1-0x0000000002E50000-0x0000000002F50000-memory.dmp

Filesize
1024KB

Download
memory/3652-4-0x0000000000400000-0x0000000002AF8000-memory.dmp

Filesize
39.0MB

Download
memory/3652-6-0x0000000002E50000-0x0000000002F50000-memory.dmp

Filesize
1024KB

Download