smokeloader | 784e3a535f623d7c59209e39bbdbd9ffabcc07157efbcaf12a8143190c08ed44

Analysis

max time kernel
93s
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
21-05-2024 15:06

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General

Target

784e3a535f623d7c59209e39bbdbd9ffabcc07157efbcaf12a8143190c08ed44.exe
Size

209KB
MD5

487c5ef864db010745ea26e6c27cdf10
SHA1

b285aecebee79d70f684832a2bb09467c6db6cfb
SHA256

784e3a535f623d7c59209e39bbdbd9ffabcc07157efbcaf12a8143190c08ed44
SHA512

8dfd0185117d909fca007e9bd53dcc90da54d8b2bccac265f8a963f46a5b05c0d38ef981531b441ae5b762632f28ec4a7b45293cb4d2d99235ec61c1add98a4c
SSDEEP

1536:n3o311bC7Xu1LpopPim+PvDOmdVFnb0MLrR2mbU9EFJ0NxgVO1MGyF59vXMziEV0:4/MePP7rrRHbU9EFJ0YVj5GZH

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

4804 5024 WerFault.exe 784e3a535f623d7c59209e39bbdbd9ffabcc07157efbcaf12a8143190c08ed44.exe

pid	pid_target	process	target process
4804	5024	WerFault.exe	784e3a535f623d7c59209e39bbdbd9ffabcc07157efbcaf12a8143190c08ed44.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:

784e3a535f623d7c59209e39bbdbd9ffabcc07157efbcaf12a8143190c08ed44.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	784e3a535f623d7c59209e39bbdbd9ffabcc07157efbcaf12a8143190c08ed44.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	784e3a535f623d7c59209e39bbdbd9ffabcc07157efbcaf12a8143190c08ed44.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	784e3a535f623d7c59209e39bbdbd9ffabcc07157efbcaf12a8143190c08ed44.exe

C:\Users\Admin\AppData\Local\Temp\784e3a535f623d7c59209e39bbdbd9ffabcc07157efbcaf12a8143190c08ed44.exe
"C:\Users\Admin\AppData\Local\Temp\784e3a535f623d7c59209e39bbdbd9ffabcc07157efbcaf12a8143190c08ed44.exe"
1⤵
- Checks SCSI registry key(s)
PID:5024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 384
2⤵
- Program crash
PID:4804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5024 -ip 5024
1⤵
PID:4196

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/5024-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5024-2-0x0000000002540000-0x000000000254B000-memory.dmp

Filesize
44KB

Download
memory/5024-1-0x0000000002560000-0x0000000002660000-memory.dmp

Filesize
1024KB

Download
memory/5024-4-0x0000000000400000-0x0000000002351000-memory.dmp

Filesize
31.3MB

Download