smokeloader | 7504e1fbf3e9d28d7bd7264a6f61bc6cf13005383923a135da5e68a4a445ee35

Analysis

max time kernel
90s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
27-05-2024 01:05

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General

Target

7504e1fbf3e9d28d7bd7264a6f61bc6cf13005383923a135da5e68a4a445ee35.exe
Size

286KB
MD5

1b82013e68fa41787f2833707fde7dca
SHA1

77d3eaa40c671363d425fe4e0174968b8992b8e1
SHA256

7504e1fbf3e9d28d7bd7264a6f61bc6cf13005383923a135da5e68a4a445ee35
SHA512

90843ef15fa53e17eda5d460395382acb8a7f72eaf1fa0ded1ac332d43b97046f3cf56986a3cab26ede589dfd1041ec8b18162dfcddb2183c2553d92006b0e94
SSDEEP

3072:h5IxgqqMnDYEeE+msOPctCR3tn/EpB5HN83pLhIao1gRgkzdxLb6ik6l538JL:0xgVqDYuzN/oBLMlh3J7LDl5M

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

1776 1624 WerFault.exe 7504e1fbf3e9d28d7bd7264a6f61bc6cf13005383923a135da5e68a4a445ee35.exe

pid	pid_target	process	target process
1776	1624	WerFault.exe	7504e1fbf3e9d28d7bd7264a6f61bc6cf13005383923a135da5e68a4a445ee35.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:

7504e1fbf3e9d28d7bd7264a6f61bc6cf13005383923a135da5e68a4a445ee35.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7504e1fbf3e9d28d7bd7264a6f61bc6cf13005383923a135da5e68a4a445ee35.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7504e1fbf3e9d28d7bd7264a6f61bc6cf13005383923a135da5e68a4a445ee35.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7504e1fbf3e9d28d7bd7264a6f61bc6cf13005383923a135da5e68a4a445ee35.exe

C:\Users\Admin\AppData\Local\Temp\7504e1fbf3e9d28d7bd7264a6f61bc6cf13005383923a135da5e68a4a445ee35.exe
"C:\Users\Admin\AppData\Local\Temp\7504e1fbf3e9d28d7bd7264a6f61bc6cf13005383923a135da5e68a4a445ee35.exe"
1⤵
- Checks SCSI registry key(s)
PID:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 384
2⤵
- Program crash
PID:1776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1624 -ip 1624
1⤵
PID:4812

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

Replay Monitor

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Downloads

memory/1624-1-0x0000000002F20000-0x0000000003020000-memory.dmp

Filesize
1024KB

Download
memory/1624-2-0x0000000002DB0000-0x0000000002DBB000-memory.dmp

Filesize
44KB

Download
memory/1624-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1624-5-0x0000000002DB0000-0x0000000002DBB000-memory.dmp

Filesize
44KB

Download
memory/1624-4-0x0000000000400000-0x0000000002CA6000-memory.dmp

Filesize
40.6MB

Download