smokeloader | 5a43ad438d5a776e1f20b940c9906deb6bddaeef4cf872b8813fc30529b1b845

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
24-06-2024 22:56

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General

Target

5a43ad438d5a776e1f20b940c9906deb6bddaeef4cf872b8813fc30529b1b845.exe
Size

309KB
MD5

aa8c50cf278d1b7aa506c9bbaea9cbc1
SHA1

edaacb9898ceb31f7b85da2f5eba6dd1bb94e44c
SHA256

5a43ad438d5a776e1f20b940c9906deb6bddaeef4cf872b8813fc30529b1b845
SHA512

cc3ab056590e6fbf286fb258d0e78ae22f2b314972e9632f74c455df9b8cec34e7cf32dd59c4d584b4cd9a5d797c16917e2db35eb2bebe2e78f78f44ecc73196
SSDEEP

3072:VNmfWLCZzAm+5mctrFv5YNl6WDIjrDur5/4azPrhY7iiRri7u:VA+LYzD3kFeGjrDu9rz1Y7iGri

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

1920 2372 WerFault.exe 5a43ad438d5a776e1f20b940c9906deb6bddaeef4cf872b8813fc30529b1b845.exe

pid	pid_target	process	target process
1920	2372	WerFault.exe	5a43ad438d5a776e1f20b940c9906deb6bddaeef4cf872b8813fc30529b1b845.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:

5a43ad438d5a776e1f20b940c9906deb6bddaeef4cf872b8813fc30529b1b845.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5a43ad438d5a776e1f20b940c9906deb6bddaeef4cf872b8813fc30529b1b845.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5a43ad438d5a776e1f20b940c9906deb6bddaeef4cf872b8813fc30529b1b845.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5a43ad438d5a776e1f20b940c9906deb6bddaeef4cf872b8813fc30529b1b845.exe

C:\Users\Admin\AppData\Local\Temp\5a43ad438d5a776e1f20b940c9906deb6bddaeef4cf872b8813fc30529b1b845.exe
"C:\Users\Admin\AppData\Local\Temp\5a43ad438d5a776e1f20b940c9906deb6bddaeef4cf872b8813fc30529b1b845.exe"
1⤵
- Checks SCSI registry key(s)
PID:2372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 412
2⤵
- Program crash
PID:1920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2372 -ip 2372
1⤵
PID:2308

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/2372-1-0x0000000002990000-0x0000000002A90000-memory.dmp

Filesize
1024KB

Download
memory/2372-2-0x0000000002960000-0x000000000296B000-memory.dmp

Filesize
44KB

Download
memory/2372-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2372-4-0x0000000000400000-0x000000000273A000-memory.dmp

Filesize
35.2MB

Download