smokeloader | 10b27caf9166f510e4dc70a2f3de22bb60e6476093b6dfcab37e14162e41bd64

Analysis

max time kernel
139s
max time network
194s
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 14:46

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General

Target

cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b.exe
Size

240KB
MD5

f289b12b7bd6cc6d1fc9e09d792a5b79
SHA1

e08c148d0fb6b68679082500d62685d442dff7d8
SHA256

cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b
SHA512

b41f90eecaa68bdf7bc9a209cc94497f53b6f7d49e519e67b3d3f7f13e72ac08ccebb1a0108361d87c1d780595de9a0dbdb53293f166e2c504a9151a73456477
SSDEEP

3072:L2YieatVPczJaKr9+7bQKcEdvRAtEo0kDticievIxHbrAFC74izRwZwM9f10UzVM:L2YiRtN97bkZicexHbrp74izRFyd1

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

4624 4368 WerFault.exe cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b.exe

pid	pid_target	process	target process
4624	4368	WerFault.exe	cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b.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:

cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b.exe

C:\Users\Admin\AppData\Local\Temp\cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b.exe
"C:\Users\Admin\AppData\Local\Temp\cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b.exe"
1⤵
- Checks SCSI registry key(s)
PID:4368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4368 -s 352
2⤵
- Program crash
PID:4624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4368 -ip 4368
1⤵
PID:4788

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/4368-1-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/4368-2-0x00000000008B0000-0x00000000008BB000-memory.dmp

Filesize
44KB

Download
memory/4368-3-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4368-5-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download