smokeloader | a05ba24c06200a71272a30f5e2d91b017d810cb91787ddefa73917c3c74bea23

Analysis

max time kernel
90s
max time network
93s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
26-05-2024 11:04

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General

Target

a05ba24c06200a71272a30f5e2d91b017d810cb91787ddefa73917c3c74bea23.exe
Size

233KB
MD5

172f983807439978fc99f21c84902b38
SHA1

34b57281a3824c3505b0ef19c77b969d248a881d
SHA256

a05ba24c06200a71272a30f5e2d91b017d810cb91787ddefa73917c3c74bea23
SHA512

c04b2a385e9bf453c2c9ae4ef1b9ce4ce66b456eb8c7578f16f1daddc414afbae4ccf3cdd500e63b62ad722d06fa9a61e6e272a053c71187c03b19384ac706df
SSDEEP

3072:R5eesQvkvxT7qrWqzi+orEM1m/jGGLJVHIY/n4ootOEYzJehwTJ:S/xf8PziajL0OEYzJKwT

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

4176 4828 WerFault.exe a05ba24c06200a71272a30f5e2d91b017d810cb91787ddefa73917c3c74bea23.exe

pid	pid_target	process	target process
4176	4828	WerFault.exe	a05ba24c06200a71272a30f5e2d91b017d810cb91787ddefa73917c3c74bea23.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:

a05ba24c06200a71272a30f5e2d91b017d810cb91787ddefa73917c3c74bea23.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a05ba24c06200a71272a30f5e2d91b017d810cb91787ddefa73917c3c74bea23.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a05ba24c06200a71272a30f5e2d91b017d810cb91787ddefa73917c3c74bea23.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a05ba24c06200a71272a30f5e2d91b017d810cb91787ddefa73917c3c74bea23.exe

C:\Users\Admin\AppData\Local\Temp\a05ba24c06200a71272a30f5e2d91b017d810cb91787ddefa73917c3c74bea23.exe
"C:\Users\Admin\AppData\Local\Temp\a05ba24c06200a71272a30f5e2d91b017d810cb91787ddefa73917c3c74bea23.exe"
1⤵
- Checks SCSI registry key(s)
PID:4828
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 384
  2⤵
  - Program crash
  PID:4176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4828 -ip 4828
1⤵
PID:4388

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/4828-1-0x0000000002D40000-0x0000000002E40000-memory.dmp

Filesize
1024KB

Download
memory/4828-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4828-2-0x00000000049A0000-0x00000000049AB000-memory.dmp

Filesize
44KB

Download
memory/4828-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4828-4-0x0000000000400000-0x0000000002C9A000-memory.dmp

Filesize
40.6MB

Download