smokeloader | 3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673

Analysis

max time kernel
133s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
04-05-2024 14:26

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General

Target

3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe
Size

327KB
MD5

39dc8753d2d8c930c0059b4b17a2bb8f
SHA1

2495ea80d4a82b85974ade573dc5c2fc1bfacafa
SHA256

3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673
SHA512

fb9c6a30bec2cf63fc139f07a40b87cb6a05295ed0b7d7d13593797c478b46debbfadbad4e07ddef2a1f4a54c857c3bc8e94ecceb01e21f5a5a98f672f565360
SSDEEP

6144:Zsp2szp401dHupk/5XfEH8XbUVgTJi8qVcpjKRqBQ9:Zsp7p401UpMXY8XTCcp2sC

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

1532 2528 WerFault.exe 3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe

pid	pid_target	process	target process
1532	2528	WerFault.exe	3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.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:

3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe

C:\Users\Admin\AppData\Local\Temp\3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe
"C:\Users\Admin\AppData\Local\Temp\3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe"
1⤵
- Checks SCSI registry key(s)
PID:2528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 352
2⤵
- Program crash
PID:1532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2528 -ip 2528
1⤵
PID:3320

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/2528-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-2-0x0000000001C80000-0x0000000001C8B000-memory.dmp

Filesize
44KB

Download
memory/2528-1-0x0000000001CB0000-0x0000000001DB0000-memory.dmp

Filesize
1024KB

Download
memory/2528-4-0x0000000000400000-0x0000000001A1B000-memory.dmp

Filesize
22.1MB

Download