smokeloader | fa3cd4f419ee43408682a64f165c65cb8843d6d02c18f49204cd6ef4bdc131b1

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
16-04-2024 06:45

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General

Target

fa3cd4f419ee43408682a64f165c65cb8843d6d02c18f49204cd6ef4bdc131b1.exe
Size

320KB
MD5

a77eed8b272d36389f4603968d6db3ee
SHA1

81c3412dff72f70d2a3b159fc51dfea45b2095e4
SHA256

fa3cd4f419ee43408682a64f165c65cb8843d6d02c18f49204cd6ef4bdc131b1
SHA512

04fcafbbc0ebe5663419d17e5c1e0ca854b582c39287162515babf3b86cd546e110aab0298abda4bf21f01809f0c55ab029c9828eac07e7959ce7e38d1844f48
SSDEEP

6144:7ZL8JjXvfIA+ikZlnBc/0PEA9LrbVbM9CduhmkTX:71UXvfIA+ikzBc/0PEKVgkEUM

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

3332 3912 WerFault.exe fa3cd4f419ee43408682a64f165c65cb8843d6d02c18f49204cd6ef4bdc131b1.exe

pid	pid_target	process	target process
3332	3912	WerFault.exe	fa3cd4f419ee43408682a64f165c65cb8843d6d02c18f49204cd6ef4bdc131b1.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:

fa3cd4f419ee43408682a64f165c65cb8843d6d02c18f49204cd6ef4bdc131b1.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fa3cd4f419ee43408682a64f165c65cb8843d6d02c18f49204cd6ef4bdc131b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fa3cd4f419ee43408682a64f165c65cb8843d6d02c18f49204cd6ef4bdc131b1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fa3cd4f419ee43408682a64f165c65cb8843d6d02c18f49204cd6ef4bdc131b1.exe

C:\Users\Admin\AppData\Local\Temp\fa3cd4f419ee43408682a64f165c65cb8843d6d02c18f49204cd6ef4bdc131b1.exe
"C:\Users\Admin\AppData\Local\Temp\fa3cd4f419ee43408682a64f165c65cb8843d6d02c18f49204cd6ef4bdc131b1.exe"
1⤵
- Checks SCSI registry key(s)
PID:3912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3912 -s 284
2⤵
- Program crash
PID:3332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3912 -ip 3912
1⤵
PID:2556

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/3912-1-0x0000000002EF0000-0x0000000002FF0000-memory.dmp

Filesize
1024KB

Download
memory/3912-2-0x0000000002ED0000-0x0000000002EDB000-memory.dmp

Filesize
44KB

Download
memory/3912-3-0x0000000000400000-0x0000000002D2E000-memory.dmp

Filesize
41.2MB

Download