smokeloader | 4df4dec256762b21811008bce831c2acdac5c056b69dc0120e9e62627f403a4f

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
16-05-2024 23:21

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General

Target

4df4dec256762b21811008bce831c2acdac5c056b69dc0120e9e62627f403a4f.exe
Size

222KB
MD5

9778b7efc6e09987bf29450f29312777
SHA1

ffcd1b5ee69d8412e04c3e93f7c0030867a07998
SHA256

4df4dec256762b21811008bce831c2acdac5c056b69dc0120e9e62627f403a4f
SHA512

09867b70d0578df15d467b3358fd9c2de430aecd40fb1a23809d8b56878c4ccf8e16c7aaca0c00bc10c69acd4497a958d355fbd1b32f99a5942f3117a37048f3
SSDEEP

3072:5DPtBLTS1gCocoV+oH7K/odqY1KVKu9AOaZ6VWBnHjHoJncpe32Y62xv0llwtBCF:5CYVVbvd3qgjpNm0nw

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

1400 3076 WerFault.exe 4df4dec256762b21811008bce831c2acdac5c056b69dc0120e9e62627f403a4f.exe

pid	pid_target	process	target process
1400	3076	WerFault.exe	4df4dec256762b21811008bce831c2acdac5c056b69dc0120e9e62627f403a4f.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:

4df4dec256762b21811008bce831c2acdac5c056b69dc0120e9e62627f403a4f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4df4dec256762b21811008bce831c2acdac5c056b69dc0120e9e62627f403a4f.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4df4dec256762b21811008bce831c2acdac5c056b69dc0120e9e62627f403a4f.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4df4dec256762b21811008bce831c2acdac5c056b69dc0120e9e62627f403a4f.exe

C:\Users\Admin\AppData\Local\Temp\4df4dec256762b21811008bce831c2acdac5c056b69dc0120e9e62627f403a4f.exe
"C:\Users\Admin\AppData\Local\Temp\4df4dec256762b21811008bce831c2acdac5c056b69dc0120e9e62627f403a4f.exe"
1⤵
- Checks SCSI registry key(s)
PID:3076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 460
2⤵
- Program crash
PID:1400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3076 -ip 3076
1⤵
PID:3724

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/3076-1-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/3076-2-0x0000000000610000-0x000000000061B000-memory.dmp

Filesize
44KB

Download
memory/3076-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3076-5-0x0000000000610000-0x000000000061B000-memory.dmp

Filesize
44KB

Download
memory/3076-4-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download