smokeloader | 496f578f68fcef476f7c8d92322a3536f507e45704b8e1c87c56056e19c1e391

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25-06-2024 13:06

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General

Target

4c2fac8f9227cdb10b5b8056f396629b.exe
Size

227KB
MD5

4c2fac8f9227cdb10b5b8056f396629b
SHA1

3e84121bee19dd64d74ef41196a09894a6017d73
SHA256

496f578f68fcef476f7c8d92322a3536f507e45704b8e1c87c56056e19c1e391
SHA512

10297336f66bb57fd6d1d8a563dd507d05b79d63cec50e3069593055b1b21f41c8de10284f7d6d2ece981e68bd3970252f3e7700d0fa3f602867f5f5b95ed3b6
SSDEEP

3072:1Jr6zgrn0rzKl3g5hxsrtYvyjIo3T8NAf68hu0nPsZciXcYW43hK:1hnezKl3UstVIo3T8ONhZPKVs

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

1672 3004 WerFault.exe 4c2fac8f9227cdb10b5b8056f396629b.exe

pid	pid_target	process	target process
1672	3004	WerFault.exe	4c2fac8f9227cdb10b5b8056f396629b.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:

4c2fac8f9227cdb10b5b8056f396629b.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4c2fac8f9227cdb10b5b8056f396629b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4c2fac8f9227cdb10b5b8056f396629b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4c2fac8f9227cdb10b5b8056f396629b.exe

C:\Users\Admin\AppData\Local\Temp\4c2fac8f9227cdb10b5b8056f396629b.exe
"C:\Users\Admin\AppData\Local\Temp\4c2fac8f9227cdb10b5b8056f396629b.exe"
1⤵
- Checks SCSI registry key(s)
PID:3004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 360
2⤵
- Program crash
PID:1672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3004 -ip 3004
1⤵
PID:344

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

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Downloads

memory/3004-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3004-2-0x0000000000490000-0x000000000049B000-memory.dmp

Filesize
44KB

Download
memory/3004-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/3004-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download