smokeloader | 71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577

Analysis

max time kernel
92s
max time network
93s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
18-05-2024 16:46

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General

Target

71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe
Size

193KB
MD5

336982371238195c7338e1bb8b9831b8
SHA1

3286154a20de1f8ff6b5c15682692441d9772f79
SHA256

71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577
SHA512

3392da04a1d250f18d1038a72c0be845aa271dd10364ee9719712b592face5d57c74adc434871428e662d079d4f347fe2f97e352e2c721a9f545898cadb6b7ed
SSDEEP

3072:H37O1YfZkZsVc1J8fJmFEXHVw58E65ZbuIq/:H5fZkmc1uhxHVU6byp

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

3512 1512 WerFault.exe 71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe

pid	pid_target	process	target process
3512	1512	WerFault.exe	71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.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:

71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe

C:\Users\Admin\AppData\Local\Temp\71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe
"C:\Users\Admin\AppData\Local\Temp\71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe"
1⤵
- Checks SCSI registry key(s)
PID:1512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 384
2⤵
- Program crash
PID:3512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1512 -ip 1512
1⤵
PID:3568

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/1512-2-0x0000000003F50000-0x0000000003F5B000-memory.dmp

Filesize
44KB

Download
memory/1512-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1512-1-0x0000000002490000-0x0000000002590000-memory.dmp

Filesize
1024KB

Download
memory/1512-4-0x0000000000400000-0x000000000234D000-memory.dmp

Filesize
31.3MB

Download