smokeloader | 8a5470dacffd827540a8eed664f5d981ad7293bf7e7678a1888dad722bd30a68

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 13:43

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General

Target

4ba5c87a94c9929e51c3c8c09b45d8a70fda5e1518691c979b770d64bec3cf4d.exe
Size

269KB
MD5

9f034c7e35bd5ac25923a93605d516cf
SHA1

57f6639214c0585ac2ca94c1fe4ec9dd7c42267d
SHA256

4ba5c87a94c9929e51c3c8c09b45d8a70fda5e1518691c979b770d64bec3cf4d
SHA512

523c066a61ae37452d25a59728938ec360b1d49962b4c26f319c8f8afbcad1c8412c973ca48cf25679de3a6844f2854d683512697117e4f25bda954f117ea107
SSDEEP

3072:LKKN3V681HJ6hLz1elSSUfaZ99u9wHxa+cty1FFxofkKaqUjlg5bAZ8:W69A5ek847+1Zx4kKy+A

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

960 2184 WerFault.exe 4ba5c87a94c9929e51c3c8c09b45d8a70fda5e1518691c979b770d64bec3cf4d.exe

pid	pid_target	process	target process
960	2184	WerFault.exe	4ba5c87a94c9929e51c3c8c09b45d8a70fda5e1518691c979b770d64bec3cf4d.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:

4ba5c87a94c9929e51c3c8c09b45d8a70fda5e1518691c979b770d64bec3cf4d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4ba5c87a94c9929e51c3c8c09b45d8a70fda5e1518691c979b770d64bec3cf4d.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4ba5c87a94c9929e51c3c8c09b45d8a70fda5e1518691c979b770d64bec3cf4d.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4ba5c87a94c9929e51c3c8c09b45d8a70fda5e1518691c979b770d64bec3cf4d.exe

C:\Users\Admin\AppData\Local\Temp\4ba5c87a94c9929e51c3c8c09b45d8a70fda5e1518691c979b770d64bec3cf4d.exe
"C:\Users\Admin\AppData\Local\Temp\4ba5c87a94c9929e51c3c8c09b45d8a70fda5e1518691c979b770d64bec3cf4d.exe"
1⤵
- Checks SCSI registry key(s)
PID:2184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 356
2⤵
- Program crash
PID:960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2184 -ip 2184
1⤵
PID:3388

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/2184-1-0x0000000003070000-0x0000000003170000-memory.dmp

Filesize
1024KB

Download
memory/2184-2-0x0000000000400000-0x0000000002D41000-memory.dmp

Filesize
41.3MB

Download
memory/2184-3-0x0000000002FB0000-0x0000000002FBB000-memory.dmp

Filesize
44KB

Download
memory/2184-4-0x0000000000400000-0x0000000002D41000-memory.dmp

Filesize
41.3MB

Download