smokeloader | 5e005ae3ad498f03e3b291b80d0755505381bd7751d1261b04d9b874cd5400d3

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 14:27

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General

Target

a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b.exe
Size

233KB
MD5

36c3af072c2fcd97d5815cf8dd15027f
SHA1

36e732bc75dbb1d262c163c9b9561ac42fb0c430
SHA256

a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b
SHA512

16a6d4c39b79e9e8ffc35b5562837141ecf8c05059b626aa8d6e56e295fbcaf6c5f7d2cc4b210b2524c98c64207295b4ad3be9b56fada32a745c6e05ab55733d
SSDEEP

3072:QOwPX0z03zFWn4ZYBmb6H4IU0htFBDDwyIK0Y1aP8AXMsS518anEQwug3JB:E9FW4yH3UGtvUjq7q

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

3136 4980 WerFault.exe a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b.exe

pid	pid_target	process	target process
3136	4980	WerFault.exe	a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b.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:

a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b.exe

C:\Users\Admin\AppData\Local\Temp\a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b.exe
"C:\Users\Admin\AppData\Local\Temp\a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b.exe"
1⤵
- Checks SCSI registry key(s)
PID:4980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4980 -s 464
2⤵
- Program crash
PID:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4980 -ip 4980
1⤵
PID:216

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/4980-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/4980-2-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4980-3-0x0000000000520000-0x000000000052B000-memory.dmp

Filesize
44KB

Download
memory/4980-4-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download