smokeloader | 8edb4bad70de468bc20ed3aa7cef9e2c832e300def1b6fd896888f38d728e797

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
07-05-2024 19:52

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General

Target

8edb4bad70de468bc20ed3aa7cef9e2c832e300def1b6fd896888f38d728e797.exe
Size

233KB
MD5

d7143305f95083e1f10b8c6969b75525
SHA1

77f9e0121e763d07f23b8f5c80aa8833fdc7e7f5
SHA256

8edb4bad70de468bc20ed3aa7cef9e2c832e300def1b6fd896888f38d728e797
SHA512

9c455c2d0a2830b2dcbb288fc4dce6c87144c727f5134661a335235cf8d0fad1d0669e62de9845387f2faa79cf5a6354595c4b45a1000af13e0c6eda3c98172a
SSDEEP

1536:ju2r+EsAc7pr0/6MSIPc0ZEEkodlSHGVa3MdrNFODI2VAvASTM42CTh5PLl3FOGk:pNdEENVaQrNYDHSocTh5/O7q3Gh

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

2912 1548 WerFault.exe 8edb4bad70de468bc20ed3aa7cef9e2c832e300def1b6fd896888f38d728e797.exe

pid	pid_target	process	target process
2912	1548	WerFault.exe	8edb4bad70de468bc20ed3aa7cef9e2c832e300def1b6fd896888f38d728e797.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:

8edb4bad70de468bc20ed3aa7cef9e2c832e300def1b6fd896888f38d728e797.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8edb4bad70de468bc20ed3aa7cef9e2c832e300def1b6fd896888f38d728e797.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8edb4bad70de468bc20ed3aa7cef9e2c832e300def1b6fd896888f38d728e797.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8edb4bad70de468bc20ed3aa7cef9e2c832e300def1b6fd896888f38d728e797.exe

C:\Users\Admin\AppData\Local\Temp\8edb4bad70de468bc20ed3aa7cef9e2c832e300def1b6fd896888f38d728e797.exe
"C:\Users\Admin\AppData\Local\Temp\8edb4bad70de468bc20ed3aa7cef9e2c832e300def1b6fd896888f38d728e797.exe"
1⤵
- Checks SCSI registry key(s)
PID:1548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 384
2⤵
- Program crash
PID:2912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1548 -ip 1548
1⤵
PID:2464

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/1548-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1548-2-0x0000000002C40000-0x0000000002C4B000-memory.dmp

Filesize
44KB

Download
memory/1548-1-0x0000000002CC0000-0x0000000002DC0000-memory.dmp

Filesize
1024KB

Download
memory/1548-4-0x0000000000400000-0x0000000002AF7000-memory.dmp

Filesize
39.0MB

Download