smokeloader | 78ffb8426b47cac183d50f6ae9ac80525d4f316ccf46bcd9d181d1459138a471

Analysis

max time kernel
300s
max time network
203s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
29-05-2024 01:42

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General

Target

00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
Size

242KB
MD5

6dfe59a2d3549e3a6f300adbced09e1f
SHA1

273d5108cf4ed196e766d910c24f2305feaf7d2b
SHA256

00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5
SHA512

55e52cb24702a31a56b963b9c8566c14dbd4b0f80cb63606f54d84dd80edf458631e9af2ad15d17a4e4c931fc6fb104b844f8271fb4eb0bda3ebc73e2fa37aaf
SSDEEP

3072:Ig1HtQbUh5cAV1J3n4Lou+shC7bA4fV+5ugUI:51HcUXfnu2PdfVl1

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

3624 1476 WerFault.exe 00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe

pid	pid_target	process	target process
3624	1476	WerFault.exe	00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.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:

00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe

C:\Users\Admin\AppData\Local\Temp\00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
"C:\Users\Admin\AppData\Local\Temp\00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe"
1⤵
- Checks SCSI registry key(s)
PID:1476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 352
2⤵
- Program crash
PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1476 -ip 1476
1⤵
PID:4160

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

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Downloads

memory/1476-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1476-1-0x00000000020B0000-0x00000000021B0000-memory.dmp

Filesize
1024KB

Download
memory/1476-3-0x0000000000400000-0x0000000001F88000-memory.dmp

Filesize
27.5MB

Download
memory/1476-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download