smokeloader | efa6f1c6e03d8d432a88649a1622d5ae1f58209e77a8dc459d0f7246d69f3651

Analysis

max time kernel
91s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 13:12

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General

Target

b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9.exe
Size

269KB
MD5

b6698f73dd3bce2646f76c9589256455
SHA1

20f6bdd05ca92a1499fa6c0dab9954135bd2f194
SHA256

b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9
SHA512

0c4b6e7c103959576ebcc2a6e676a085a1d272d9bcb1de00b161644b7c0922cd1eb89b82e92b8ef32e35bdb21780c51bba5659ddaaf60968d1d3750d9618751c
SSDEEP

3072:5ArJBwHDu5z0XOs/AzR++VNX2VQXHtYOl07BBI60JOERR5vK7/TB2+xxdnPwZl4:kJBwPOs/mR+SNs7BJ0JOEDabhPdoZ

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

3820 1012 WerFault.exe b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9.exe

pid	pid_target	process	target process
3820	1012	WerFault.exe	b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9.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:

b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9.exe

C:\Users\Admin\AppData\Local\Temp\b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9.exe
"C:\Users\Admin\AppData\Local\Temp\b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9.exe"
1⤵
- Checks SCSI registry key(s)
PID:1012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1012 -s 352
2⤵
- Program crash
PID:3820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1012 -ip 1012
1⤵
PID:3504

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/1012-2-0x0000000002830000-0x000000000283B000-memory.dmp

Filesize
44KB

Download
memory/1012-1-0x0000000000C70000-0x0000000000D70000-memory.dmp

Filesize
1024KB

Download
memory/1012-3-0x0000000000400000-0x0000000000AEC000-memory.dmp

Filesize
6.9MB

Download