smokeloader | f2530f27a0d43cf227cdc9389192d5c3296abca41dccd3ccd8f39939b68bb9b7

Analysis

max time kernel
91s
max time network
142s
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 13:11

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General

Target

abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe
Size

313KB
MD5

49c1a7094df766b5e5868811f298b529
SHA1

c48fc045b5ee06e02d558f3c3551a463199725b9
SHA256

abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976
SHA512

c34cf47f715fffb4c4b9ec4ba587ea0c455d3baf7192408114b9f7260dbb1ee6b28c794157cfdd12c6048e99e9140220d77232bd9355cb96db7df9e566ba9490
SSDEEP

3072:9gw3B7c4wkQMR+BYYeEX+qP4XTkedBoRv0XgGlf+N9XF6kVQvVYKAG:zxd/RmFMkeAv0ltKXF6k2NvJ

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

2004 3752 WerFault.exe abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe

pid	pid_target	process	target process
2004	3752	WerFault.exe	abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.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:

abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe

C:\Users\Admin\AppData\Local\Temp\abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe
"C:\Users\Admin\AppData\Local\Temp\abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe"
1⤵
- Checks SCSI registry key(s)
PID:3752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 352
2⤵
- Program crash
PID:2004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3752 -ip 3752
1⤵
PID:2288

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/3752-1-0x0000000002E20000-0x0000000002F20000-memory.dmp

Filesize
1024KB

Download
memory/3752-2-0x0000000000400000-0x0000000002D4C000-memory.dmp

Filesize
41.3MB

Download
memory/3752-3-0x0000000004A80000-0x0000000004A8B000-memory.dmp

Filesize
44KB

Download