smokeloader | e0fa4e39581e2c63df05746fd67c6fc98ab320743e20fd1a3e156cf3cc10eecf

Analysis

max time kernel
138s
max time network
107s
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 06:29

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General

Target

e0fa4e39581e2c63df05746fd67c6fc98ab320743e20fd1a3e156cf3cc10eecf.exe
Size

319KB
MD5

134b2bd245ea881c5c97c4224385e125
SHA1

781b98c76b0fcb17af6996341540707ee3d35446
SHA256

e0fa4e39581e2c63df05746fd67c6fc98ab320743e20fd1a3e156cf3cc10eecf
SHA512

598e775acd6ae9fa4255f59b82ca790a9f9aef259566f3e308f4e160f41bb20858595c56a9bb6263cf121b030364633da3d35bb3bf086a820b974c7d331487e4
SSDEEP

3072:GmWfCA1P7pqu6/Re18V+yxuCUulVpwRwqtPsGXVzm+nzKbmr15WuFusKOumkiqm:4DZ6ZdV3lnwhtkcVUU1sQb/0

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

1856 4976 WerFault.exe e0fa4e39581e2c63df05746fd67c6fc98ab320743e20fd1a3e156cf3cc10eecf.exe

pid	pid_target	process	target process
1856	4976	WerFault.exe	e0fa4e39581e2c63df05746fd67c6fc98ab320743e20fd1a3e156cf3cc10eecf.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:

e0fa4e39581e2c63df05746fd67c6fc98ab320743e20fd1a3e156cf3cc10eecf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e0fa4e39581e2c63df05746fd67c6fc98ab320743e20fd1a3e156cf3cc10eecf.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e0fa4e39581e2c63df05746fd67c6fc98ab320743e20fd1a3e156cf3cc10eecf.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e0fa4e39581e2c63df05746fd67c6fc98ab320743e20fd1a3e156cf3cc10eecf.exe

C:\Users\Admin\AppData\Local\Temp\e0fa4e39581e2c63df05746fd67c6fc98ab320743e20fd1a3e156cf3cc10eecf.exe
"C:\Users\Admin\AppData\Local\Temp\e0fa4e39581e2c63df05746fd67c6fc98ab320743e20fd1a3e156cf3cc10eecf.exe"
1⤵
- Checks SCSI registry key(s)
PID:4976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 352
2⤵
- Program crash
PID:1856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4976 -ip 4976
1⤵
PID:3388

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

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Downloads

memory/4976-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4976-1-0x0000000001CC0000-0x0000000001DC0000-memory.dmp

Filesize
1024KB

Download
memory/4976-2-0x0000000001AA0000-0x0000000001AAB000-memory.dmp

Filesize
44KB

Download
memory/4976-4-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download