smokeloader | dcf2b2270505e9fa0caa26a2eff9e2de8a3cf95f0fe479e07332a0f22777525e

Analysis

max time kernel
134s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
14-05-2024 23:19

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General

Target

dcf2b2270505e9fa0caa26a2eff9e2de8a3cf95f0fe479e07332a0f22777525e.exe
Size

225KB
MD5

4daa25326ccb9300ab571c6ccd64fc50
SHA1

411b341bbf7116896d9cf95ca2c9dc24546f150f
SHA256

dcf2b2270505e9fa0caa26a2eff9e2de8a3cf95f0fe479e07332a0f22777525e
SHA512

26a4dfefcf098e7b0f2139bc0d950c28d7be1513f336249dfc849696c888ce0fe69b66c608646f2953500c069a85db69634100a1d6d576da4e66ae4855763216
SSDEEP

3072:LsPOrBmaE42Zm/+Oruk+QBvb5SH7bSUynK/FeRLFgKhWspsm1+4Q:54z8GXkJ587bSJKteTrXsmN

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

4736 1904 WerFault.exe dcf2b2270505e9fa0caa26a2eff9e2de8a3cf95f0fe479e07332a0f22777525e.exe

pid	pid_target	process	target process
4736	1904	WerFault.exe	dcf2b2270505e9fa0caa26a2eff9e2de8a3cf95f0fe479e07332a0f22777525e.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:

dcf2b2270505e9fa0caa26a2eff9e2de8a3cf95f0fe479e07332a0f22777525e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	dcf2b2270505e9fa0caa26a2eff9e2de8a3cf95f0fe479e07332a0f22777525e.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	dcf2b2270505e9fa0caa26a2eff9e2de8a3cf95f0fe479e07332a0f22777525e.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	dcf2b2270505e9fa0caa26a2eff9e2de8a3cf95f0fe479e07332a0f22777525e.exe

C:\Users\Admin\AppData\Local\Temp\dcf2b2270505e9fa0caa26a2eff9e2de8a3cf95f0fe479e07332a0f22777525e.exe
"C:\Users\Admin\AppData\Local\Temp\dcf2b2270505e9fa0caa26a2eff9e2de8a3cf95f0fe479e07332a0f22777525e.exe"
1⤵
- Checks SCSI registry key(s)
PID:1904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 460
2⤵
- Program crash
PID:4736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1904 -ip 1904
1⤵
PID:1040

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/1904-1-0x0000000000AF0000-0x0000000000BF0000-memory.dmp

Filesize
1024KB

Download
memory/1904-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-2-0x00000000008E0000-0x00000000008EB000-memory.dmp

Filesize
44KB

Download
memory/1904-4-0x0000000000400000-0x000000000078F000-memory.dmp

Filesize
3.6MB

Download