smokeloader | ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
25-06-2024 12:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe
Size

322KB
MD5

1bcb9d8ba02bdbe8dcdb08f369228e0b
SHA1

b5e2e532ef2813e0cdbc3e124d7dd90e41495ec0
SHA256

ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd
SHA512

b1892eab7210cdec06d425bce13b7c066cda3863951bbd62f85dd362084c3bd5d35fee428bc46882b8787ae4877f51522665efef79c27e5c7192db9bd5aed298
SSDEEP

3072:cqWLOU/jAxIOG+1o1VFbBFeRC5xat4LtzCX1Ek1EJxTEqS:cBLd/jwFnGNBFau68KNH

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

2520 4824 WerFault.exe ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe

pid	pid_target	process	target process
2520	4824	WerFault.exe	ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.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:

ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe

C:\Users\Admin\AppData\Local\Temp\ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe
"C:\Users\Admin\AppData\Local\Temp\ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe"
1⤵
- Checks SCSI registry key(s)
PID:4824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 400
2⤵
- Program crash
PID:2520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4824 -ip 4824
1⤵
PID:1216

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

Loading Replay Monitor...

Downloads

memory/4824-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4824-1-0x0000000002A20000-0x0000000002B20000-memory.dmp

Filesize
1024KB

Download
memory/4824-3-0x0000000000400000-0x000000000273D000-memory.dmp

Filesize
35.2MB

Download
memory/4824-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download