smokeloader | b4d6d5c96fc6622745caf4ba671af869c8356ee7e6a798557aceb0f7fa8c4241

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
28-06-2024 12:42

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General

Target

b4d6d5c96fc6622745caf4ba671af869c8356ee7e6a798557aceb0f7fa8c4241.exe
Size

276KB
MD5

0aa86508a70a1841be4290a3008db1f4
SHA1

2332753768ba7ec8c20653538f5a392582edcce8
SHA256

b4d6d5c96fc6622745caf4ba671af869c8356ee7e6a798557aceb0f7fa8c4241
SHA512

624fb8c991467e5eb5bf37a3d288c345bc60540bcb5feb9ba5d2effb033b4247e785e2466e8d36e6874a2ec11c47bd84864ee5a2d193c183152b4e5bf27998b6
SSDEEP

3072:Q4qrLdqSu51dqRk7aimLpFW99O5o6Q5JfGx30SUMjGbZMxTapX7x:TsLdqN7OLW9976qf2kdrX

Score

10^/10

smokeloader pub2 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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

1732 852 WerFault.exe b4d6d5c96fc6622745caf4ba671af869c8356ee7e6a798557aceb0f7fa8c4241.exe

pid	pid_target	process	target process
1732	852	WerFault.exe	b4d6d5c96fc6622745caf4ba671af869c8356ee7e6a798557aceb0f7fa8c4241.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:

b4d6d5c96fc6622745caf4ba671af869c8356ee7e6a798557aceb0f7fa8c4241.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b4d6d5c96fc6622745caf4ba671af869c8356ee7e6a798557aceb0f7fa8c4241.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b4d6d5c96fc6622745caf4ba671af869c8356ee7e6a798557aceb0f7fa8c4241.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b4d6d5c96fc6622745caf4ba671af869c8356ee7e6a798557aceb0f7fa8c4241.exe

C:\Users\Admin\AppData\Local\Temp\b4d6d5c96fc6622745caf4ba671af869c8356ee7e6a798557aceb0f7fa8c4241.exe
"C:\Users\Admin\AppData\Local\Temp\b4d6d5c96fc6622745caf4ba671af869c8356ee7e6a798557aceb0f7fa8c4241.exe"
1⤵
- Checks SCSI registry key(s)
PID:852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 488
2⤵
- Program crash
PID:1732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 852 -ip 852
1⤵
PID:3720

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/852-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/852-2-0x0000000004070000-0x000000000407B000-memory.dmp

Filesize
44KB

Download
memory/852-1-0x0000000002410000-0x0000000002510000-memory.dmp

Filesize
1024KB

Download
memory/852-6-0x0000000004070000-0x000000000407B000-memory.dmp

Filesize
44KB

Download
memory/852-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/852-4-0x0000000000400000-0x0000000002361000-memory.dmp

Filesize
31.4MB

Download