smokeloader | f2bc91641d8c2e71bb591147ffa6d52ffe83de6fefee344bb53f603785c9a010

Analysis

max time kernel
291s
max time network
299s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
22-04-2024 06:03

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General

Target

f2bc91641d8c2e71bb591147ffa6d52ffe83de6fefee344bb53f603785c9a010.exe
Size

299KB
MD5

f9769d561a0edc190a71205dbb375fa5
SHA1

77118f9fd6ea57c98f10e541bc634a635027d47e
SHA256

f2bc91641d8c2e71bb591147ffa6d52ffe83de6fefee344bb53f603785c9a010
SHA512

745ff22f5391fd771039103e1ed9c6fcebdf052ca166a1b361369b010be289f9edc0e731b06a4ecb3bc2611e0ebdee5516eea062f2f79c8069d427c8c811f785
SSDEEP

3072:u4K3l3FgI0vE6d+2rbufS8sO23njSJanqebDEuoAN5O0yozsAFKZ:uLCEuNSmS4bDETS55yozsAFK

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

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

1304 4656 WerFault.exe f2bc91641d8c2e71bb591147ffa6d52ffe83de6fefee344bb53f603785c9a010.exe

pid	pid_target	process	target process
1304	4656	WerFault.exe	f2bc91641d8c2e71bb591147ffa6d52ffe83de6fefee344bb53f603785c9a010.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:

f2bc91641d8c2e71bb591147ffa6d52ffe83de6fefee344bb53f603785c9a010.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f2bc91641d8c2e71bb591147ffa6d52ffe83de6fefee344bb53f603785c9a010.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f2bc91641d8c2e71bb591147ffa6d52ffe83de6fefee344bb53f603785c9a010.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f2bc91641d8c2e71bb591147ffa6d52ffe83de6fefee344bb53f603785c9a010.exe

C:\Users\Admin\AppData\Local\Temp\f2bc91641d8c2e71bb591147ffa6d52ffe83de6fefee344bb53f603785c9a010.exe
"C:\Users\Admin\AppData\Local\Temp\f2bc91641d8c2e71bb591147ffa6d52ffe83de6fefee344bb53f603785c9a010.exe"
1⤵
- Checks SCSI registry key(s)
PID:4656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 492
2⤵
- Program crash
PID:1304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4656-1-0x0000000001C10000-0x0000000001D10000-memory.dmp

Filesize
1024KB

Download
memory/4656-2-0x0000000001B60000-0x0000000001B6B000-memory.dmp

Filesize
44KB

Download
memory/4656-3-0x0000000000400000-0x0000000001A15000-memory.dmp

Filesize
22.1MB

Download
memory/4656-6-0x0000000001C10000-0x0000000001D10000-memory.dmp

Filesize
1024KB

Download