smokeloader | 37316eae376e8e8c5281b5016d2ab4a65b0201ed139edef72ac4ba102eaf41cb

Analysis

max time kernel
90s
max time network
93s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
01-05-2024 20:34

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General

Target

37316eae376e8e8c5281b5016d2ab4a65b0201ed139edef72ac4ba102eaf41cb.exe
Size

260KB
MD5

cf2a49424928afff26947ff8ad128f77
SHA1

8cdf0834e2d1cae732c76e37f6058ebf37e06aa4
SHA256

37316eae376e8e8c5281b5016d2ab4a65b0201ed139edef72ac4ba102eaf41cb
SHA512

6924ea2c5bcb0a3371405e9bf0d0166d512f839be0310d723b21e1acf8e6e7232857e20af800d1331c38f40bbe27a02c4145e661ed6da350a486ad7f1301ba49
SSDEEP

3072:pKiFvLSL/49UZk0knpguCKZo5BHWt884dg1fd:jtajS0qguCKZcHWt8BuR

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

796 840 WerFault.exe 37316eae376e8e8c5281b5016d2ab4a65b0201ed139edef72ac4ba102eaf41cb.exe

pid	pid_target	process	target process
796	840	WerFault.exe	37316eae376e8e8c5281b5016d2ab4a65b0201ed139edef72ac4ba102eaf41cb.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:

37316eae376e8e8c5281b5016d2ab4a65b0201ed139edef72ac4ba102eaf41cb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	37316eae376e8e8c5281b5016d2ab4a65b0201ed139edef72ac4ba102eaf41cb.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	37316eae376e8e8c5281b5016d2ab4a65b0201ed139edef72ac4ba102eaf41cb.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	37316eae376e8e8c5281b5016d2ab4a65b0201ed139edef72ac4ba102eaf41cb.exe

C:\Users\Admin\AppData\Local\Temp\37316eae376e8e8c5281b5016d2ab4a65b0201ed139edef72ac4ba102eaf41cb.exe
"C:\Users\Admin\AppData\Local\Temp\37316eae376e8e8c5281b5016d2ab4a65b0201ed139edef72ac4ba102eaf41cb.exe"
1⤵
- Checks SCSI registry key(s)
PID:840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 384
2⤵
- Program crash
PID:796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 840 -ip 840
1⤵
PID:2316

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

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Downloads

memory/840-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/840-2-0x0000000003060000-0x000000000306B000-memory.dmp

Filesize
44KB

Download
memory/840-1-0x0000000002D50000-0x0000000002E50000-memory.dmp

Filesize
1024KB

Download
memory/840-4-0x0000000000400000-0x0000000002AFF000-memory.dmp

Filesize
39.0MB

Download