smokeloader | beb0d0b717d39474cdc522eea925e437dc02c260626b43db1d235640a5d568e0

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
28-04-2024 16:39

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General

Target

beb0d0b717d39474cdc522eea925e437dc02c260626b43db1d235640a5d568e0.exe
Size

307KB
MD5

cf3c1c8bf8cb2a7c77f976c30bb1db06
SHA1

96660806f005a84bdac81a649a3118ac0f9605fc
SHA256

beb0d0b717d39474cdc522eea925e437dc02c260626b43db1d235640a5d568e0
SHA512

2fd14931d640159ffadc236482e8d36b5b16663b935d7bef273c149ddfd008fb9a5c280a2992a1b2f5c294ed4ce3e15101d7b7a9e05a5095b1362920033819a4
SSDEEP

3072:Y5a5vdqPp0ekxe4H0+3bLjP4wdRNpmsLP+p2uYPrBUeSoYI6iHEXiEI7I8NU:b+Ce8QQXvRNpmP8pBUe2I6mEXiEMNU

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

3752 484 WerFault.exe beb0d0b717d39474cdc522eea925e437dc02c260626b43db1d235640a5d568e0.exe

pid	pid_target	process	target process
3752	484	WerFault.exe	beb0d0b717d39474cdc522eea925e437dc02c260626b43db1d235640a5d568e0.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:

beb0d0b717d39474cdc522eea925e437dc02c260626b43db1d235640a5d568e0.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	beb0d0b717d39474cdc522eea925e437dc02c260626b43db1d235640a5d568e0.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	beb0d0b717d39474cdc522eea925e437dc02c260626b43db1d235640a5d568e0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	beb0d0b717d39474cdc522eea925e437dc02c260626b43db1d235640a5d568e0.exe

C:\Users\Admin\AppData\Local\Temp\beb0d0b717d39474cdc522eea925e437dc02c260626b43db1d235640a5d568e0.exe
"C:\Users\Admin\AppData\Local\Temp\beb0d0b717d39474cdc522eea925e437dc02c260626b43db1d235640a5d568e0.exe"
1⤵
- Checks SCSI registry key(s)
PID:484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 484 -s 384
2⤵
- Program crash
PID:3752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 484 -ip 484
1⤵
PID:2788

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/484-1-0x0000000001B40000-0x0000000001C40000-memory.dmp

Filesize
1024KB

Download
memory/484-2-0x0000000001B30000-0x0000000001B3B000-memory.dmp

Filesize
44KB

Download
memory/484-3-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

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