smokeloader | 23aab93abdff843854492cefcec5547ee0d40c774288a2132f573c73e8bd9862

Analysis

max time kernel
92s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
27-05-2024 07:05

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General

Target

23aab93abdff843854492cefcec5547ee0d40c774288a2132f573c73e8bd9862.exe
Size

242KB
MD5

d3490a28c03f04a853bd4b956af930c4
SHA1

9136414fc7ae25dd486f5aa05edc9d3be69cf64a
SHA256

23aab93abdff843854492cefcec5547ee0d40c774288a2132f573c73e8bd9862
SHA512

c92bc4a2d3ce3e252fd7de1ad7f69bc17aa1160c581dc9fcfb4142ff168e753a1d9d9ec5f1c2f2718c895852bb8cb9a27bb61112b17b0e3ad8812345c7f918fa
SSDEEP

3072:TtjYJ3/nP9uJONSLx7EbedCg2y5G+nQ3:TtjAnoOkxYbQCg0+Q

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

4084 1812 WerFault.exe 23aab93abdff843854492cefcec5547ee0d40c774288a2132f573c73e8bd9862.exe

pid	pid_target	process	target process
4084	1812	WerFault.exe	23aab93abdff843854492cefcec5547ee0d40c774288a2132f573c73e8bd9862.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:

23aab93abdff843854492cefcec5547ee0d40c774288a2132f573c73e8bd9862.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	23aab93abdff843854492cefcec5547ee0d40c774288a2132f573c73e8bd9862.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	23aab93abdff843854492cefcec5547ee0d40c774288a2132f573c73e8bd9862.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	23aab93abdff843854492cefcec5547ee0d40c774288a2132f573c73e8bd9862.exe

C:\Users\Admin\AppData\Local\Temp\23aab93abdff843854492cefcec5547ee0d40c774288a2132f573c73e8bd9862.exe
"C:\Users\Admin\AppData\Local\Temp\23aab93abdff843854492cefcec5547ee0d40c774288a2132f573c73e8bd9862.exe"
1⤵
- Checks SCSI registry key(s)
PID:1812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 384
2⤵
- Program crash
PID:4084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1812 -ip 1812
1⤵
PID:2312

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

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Downloads

memory/1812-1-0x0000000002170000-0x0000000002270000-memory.dmp

Filesize
1024KB

Download
memory/1812-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1812-2-0x00000000022F0000-0x00000000022FB000-memory.dmp

Filesize
44KB

Download
memory/1812-4-0x0000000000400000-0x0000000001F88000-memory.dmp

Filesize
27.5MB

Download