smokeloader | 1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019

Analysis

max time kernel
290s
max time network
298s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
18-04-2024 22:23

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General

Target

1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019.exe
Size

242KB
MD5

f27255fbf7ddab80b8f9aa0fe62ecbd8
SHA1

afcb58b2823d6094fff4b15ada58aa3f695a6705
SHA256

1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019
SHA512

910aa92a48c390775f97753d5fd93e47416e4ac39b24123bd41d4eeebc96ee2ce83feb0083b8f2b1d4c22e16585000c1e383e16f8336928b4d42bfd29008b234
SSDEEP

3072:vCLPAPZuzMWzr6ZrTyOZv2t9rUdg5+76xbvJOQzCB44:KLGq6ZK6v2tZUZ74JOQA

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

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

1332 4740 WerFault.exe 1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019.exe

pid	pid_target	process	target process
1332	4740	WerFault.exe	1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019.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:

1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019.exe

C:\Users\Admin\AppData\Local\Temp\1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019.exe
"C:\Users\Admin\AppData\Local\Temp\1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019.exe"
1⤵
- Checks SCSI registry key(s)
PID:4740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 492
2⤵
- Program crash
PID:1332

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/4740-1-0x0000000002F20000-0x0000000003020000-memory.dmp

Filesize
1024KB

Download
memory/4740-2-0x00000000001F0000-0x00000000001FB000-memory.dmp

Filesize
44KB

Download
memory/4740-3-0x0000000000400000-0x0000000002C1F000-memory.dmp

Filesize
40.1MB

Download
memory/4740-6-0x0000000002F20000-0x0000000003020000-memory.dmp

Filesize
1024KB

Download