smokeloader | 1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
29-05-2024 15:23

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General

Target

1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832.exe
Size

262KB
MD5

e07051df33de924da06fdef0ff36be37
SHA1

1b0da6776333a82910c10d3436d71c072ebe87d0
SHA256

1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832
SHA512

08ba579cbcdebcbf8d1814aa064d9e3ea9ae360d09eb8bff4e6d35976dff26ed030b981ffc6be0163cd22701a911ccfeafd907e49da1cb2aaee14745a03b60dc
SSDEEP

3072:8K5eJo6bxHwKUU+6oexYjS6us5WgMoNumh:84eC6dHwDW6jS6Ig3umh

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

3956 3932 WerFault.exe 1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832.exe

pid	pid_target	process	target process
3956	3932	WerFault.exe	1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832.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:

1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832.exe

C:\Users\Admin\AppData\Local\Temp\1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832.exe
"C:\Users\Admin\AppData\Local\Temp\1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832.exe"
1⤵
- Checks SCSI registry key(s)
PID:3932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 384
2⤵
- Program crash
PID:3956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3932 -ip 3932
1⤵
PID:2660

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/3932-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3932-2-0x00000000023F0000-0x00000000023FB000-memory.dmp

Filesize
44KB

Download
memory/3932-1-0x00000000020E0000-0x00000000021E0000-memory.dmp

Filesize
1024KB

Download
memory/3932-4-0x0000000000400000-0x0000000001F8E000-memory.dmp

Filesize
27.6MB

Download