smokeloader | 84fdc4701aafd3ef84896fb469b01bec687f4c59d8a40b52b5301738e6c250be

Analysis

max time kernel
55s
max time network
53s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
28-04-2024 02:00

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General

Target

3b6c00f64a1d047dfbed967d4fe8f320f4e4de9421a82d94dcb3eba07f23d939.exe
Size

298KB
MD5

ee4e08febd22e594c7bcb70ea1b0252a
SHA1

b1594033fa6e0377ccaea80d1556459128c61a13
SHA256

3b6c00f64a1d047dfbed967d4fe8f320f4e4de9421a82d94dcb3eba07f23d939
SHA512

255190c874bf83be9b4126fb7c3dbee8eb4f4b6c5bc019ee5c586b984115b03759c3a511efcb8c79797e7cc0141c75a8f715316b214d6683a8c25015d316ddd8
SSDEEP

3072:IHNWG9ZvpYjEk+P0VL9xFD3GeiRsBbaAcNrw5K86+i2XmSIN8niFWhr:vAqQkdxl3tilNF86Ph8nPr

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

4828 3028 WerFault.exe 3b6c00f64a1d047dfbed967d4fe8f320f4e4de9421a82d94dcb3eba07f23d939.exe

pid	pid_target	process	target process
4828	3028	WerFault.exe	3b6c00f64a1d047dfbed967d4fe8f320f4e4de9421a82d94dcb3eba07f23d939.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:

3b6c00f64a1d047dfbed967d4fe8f320f4e4de9421a82d94dcb3eba07f23d939.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3b6c00f64a1d047dfbed967d4fe8f320f4e4de9421a82d94dcb3eba07f23d939.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3b6c00f64a1d047dfbed967d4fe8f320f4e4de9421a82d94dcb3eba07f23d939.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3b6c00f64a1d047dfbed967d4fe8f320f4e4de9421a82d94dcb3eba07f23d939.exe

C:\Users\Admin\AppData\Local\Temp\3b6c00f64a1d047dfbed967d4fe8f320f4e4de9421a82d94dcb3eba07f23d939.exe
"C:\Users\Admin\AppData\Local\Temp\3b6c00f64a1d047dfbed967d4fe8f320f4e4de9421a82d94dcb3eba07f23d939.exe"
1⤵
- Checks SCSI registry key(s)
PID:3028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 352
2⤵
- Program crash
PID:4828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3028 -ip 3028
1⤵
PID:4580

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/3028-1-0x0000000004040000-0x0000000004140000-memory.dmp

Filesize
1024KB

Download
memory/3028-2-0x0000000004140000-0x000000000414B000-memory.dmp

Filesize
44KB

Download
memory/3028-4-0x0000000000400000-0x000000000403C000-memory.dmp

Filesize
60.2MB

Download