smokeloader | 083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
30-03-2024 09:24

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General

Target

file.exe
Size

267KB
MD5

8b2f1a0f480177fe032cbf896442a44e
SHA1

96099aced1b2724dd7fc56f6978802b87aeebaab
SHA256

083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b
SHA512

ca454ca2e172f1ec7d1cf22a2c2a3085692c1ff58a3c37e83cfbbc87623702879b9e2d0fe3a17dd609bcfe5ed5daf9181219ec0f0ecacacaf6136fd1b73758be
SSDEEP

3072:8LZMm58BE5RRc8+HBi1/G66Czp+lbWhXrcrB0F0VC2MZUrTTk3:8KEVc8dH6ColYrcrB0F0k2MZmTT

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

4440 2244 WerFault.exe file.exe

pid	pid_target	process	target process
4440	2244	WerFault.exe	file.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:

file.exe

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

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks SCSI registry key(s)
PID:2244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 352
2⤵
- Program crash
PID:4440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2244 -ip 2244
1⤵
PID:4104

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1956 --field-trial-handle=2268,i,4334050275411101233,11484630688883830558,262144 --variations-seed-version /prefetch:8
1⤵
PID:2004

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/2244-1-0x0000000000D80000-0x0000000000E80000-memory.dmp

Filesize
1024KB

Download
memory/2244-2-0x0000000002830000-0x000000000283B000-memory.dmp

Filesize
44KB

Download
memory/2244-3-0x0000000000400000-0x0000000000AEC000-memory.dmp

Filesize
6.9MB

Download