smokeloader | f734ec790014804116568f1c128e2442d4c7649ee8955b307774a9ec3cf44bb9

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
19-05-2024 11:16

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General

Target

f734ec790014804116568f1c128e2442d4c7649ee8955b307774a9ec3cf44bb9.exe
Size

186KB
MD5

3cad92b0bfde8700294bbc1cc38a5f86
SHA1

6f4f2ac82e7ac19d6c1828744cae0bfb01f8f97e
SHA256

f734ec790014804116568f1c128e2442d4c7649ee8955b307774a9ec3cf44bb9
SHA512

3183df9a8ae5e9acbca8f8126a326c269d57d5fdb86c7073e60bfeb7a45285934af59d913f93102cd6152acc9c4d1fc050868036b6f41e82cb9ac13fa3d05556
SSDEEP

1536:1aZ77z6PWBkjAAujNP1qpFNWM3XZJoOaN08WwkOQMnN2HWVobz/fZeC5264jGEjC:kOdNpFcOaNLV9n4HkK/f0C5264MK

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

400 2604 WerFault.exe f734ec790014804116568f1c128e2442d4c7649ee8955b307774a9ec3cf44bb9.exe

pid	pid_target	process	target process
400	2604	WerFault.exe	f734ec790014804116568f1c128e2442d4c7649ee8955b307774a9ec3cf44bb9.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:

f734ec790014804116568f1c128e2442d4c7649ee8955b307774a9ec3cf44bb9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f734ec790014804116568f1c128e2442d4c7649ee8955b307774a9ec3cf44bb9.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f734ec790014804116568f1c128e2442d4c7649ee8955b307774a9ec3cf44bb9.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f734ec790014804116568f1c128e2442d4c7649ee8955b307774a9ec3cf44bb9.exe

C:\Users\Admin\AppData\Local\Temp\f734ec790014804116568f1c128e2442d4c7649ee8955b307774a9ec3cf44bb9.exe
"C:\Users\Admin\AppData\Local\Temp\f734ec790014804116568f1c128e2442d4c7649ee8955b307774a9ec3cf44bb9.exe"
1⤵
- Checks SCSI registry key(s)
PID:2604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 384
2⤵
- Program crash
PID:400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2604 -ip 2604
1⤵
PID:4308

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/2604-1-0x00000000020E0000-0x00000000021E0000-memory.dmp

Filesize
1024KB

Download
memory/2604-2-0x00000000020D0000-0x00000000020DB000-memory.dmp

Filesize
44KB

Download
memory/2604-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2604-4-0x0000000000400000-0x0000000001F79000-memory.dmp

Filesize
27.5MB

Download