smokeloader | 4af1a7681e02a58e5d5fcbe2d6acc3fe5b156b2dd063cc79a2679c4e3c363b50

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
02-07-2024 03:41

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General

Target

4af1a7681e02a58e5d5fcbe2d6acc3fe5b156b2dd063cc79a2679c4e3c363b50.exe
Size

238KB
MD5

b5a355306678b70242f1ddec88c59add
SHA1

550323041f1406b027fab0e982fa53935def8b91
SHA256

4af1a7681e02a58e5d5fcbe2d6acc3fe5b156b2dd063cc79a2679c4e3c363b50
SHA512

f68ce62931583350c334067570a6fc43e7bbb140eeb4c021d9fa5a4e8fe44d97dedf8e00614c32c071584c7aff463f526e3f70254cdb6799060b74fae8e40661
SSDEEP

3072:+WkzbZcSlPPtD7xYEr7vVw0qV891bCMcRSsaz1TN:+tbCSlPPtDlBtCMcPaz1T

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

3676 3732 WerFault.exe 4af1a7681e02a58e5d5fcbe2d6acc3fe5b156b2dd063cc79a2679c4e3c363b50.exe

pid	pid_target	process	target process
3676	3732	WerFault.exe	4af1a7681e02a58e5d5fcbe2d6acc3fe5b156b2dd063cc79a2679c4e3c363b50.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:

4af1a7681e02a58e5d5fcbe2d6acc3fe5b156b2dd063cc79a2679c4e3c363b50.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4af1a7681e02a58e5d5fcbe2d6acc3fe5b156b2dd063cc79a2679c4e3c363b50.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4af1a7681e02a58e5d5fcbe2d6acc3fe5b156b2dd063cc79a2679c4e3c363b50.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4af1a7681e02a58e5d5fcbe2d6acc3fe5b156b2dd063cc79a2679c4e3c363b50.exe

C:\Users\Admin\AppData\Local\Temp\4af1a7681e02a58e5d5fcbe2d6acc3fe5b156b2dd063cc79a2679c4e3c363b50.exe
"C:\Users\Admin\AppData\Local\Temp\4af1a7681e02a58e5d5fcbe2d6acc3fe5b156b2dd063cc79a2679c4e3c363b50.exe"
1⤵
- Checks SCSI registry key(s)
PID:3732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 488
2⤵
- Program crash
PID:3676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3732 -ip 3732
1⤵
PID:1016

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/3732-1-0x0000000002D40000-0x0000000002E40000-memory.dmp

Filesize
1024KB

Download
memory/3732-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3732-2-0x0000000004900000-0x000000000490B000-memory.dmp

Filesize
44KB

Download
memory/3732-4-0x0000000000400000-0x0000000002BF5000-memory.dmp

Filesize
40.0MB

Download