smokeloader | c80fed268a0c461e382fe561fb0e94f41f4d1c4d611858bc56ea6118293e3de1

Analysis

max time kernel
1788s
max time network
1790s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
15-04-2024 12:16

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General

Target

a041839327295fde3df12ea61374abd19c4499b87e211757c593179d6a6870d1.exe
Size

255KB
MD5

7fdba86bba0508054fd1f058a6a2d134
SHA1

131aa6889c55b9348a452fdf369fe54c2f05ba48
SHA256

a041839327295fde3df12ea61374abd19c4499b87e211757c593179d6a6870d1
SHA512

901b368bf99f8b715186d22d73bbb80a87f8498fd375b9023d798651f5c0939d01d3ec3ec50ce148699b6228aca59711883e9a30e986c1c5d18e95e8ab1967f1
SSDEEP

6144:VU8vCLXBfoCmgZw6NNTs9VUkIqj8m+z7:VU8apkQw6N6LUkpv+z7

Score

10^/10

smokeloader backdoor trojan

Malware Config

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

2408 3692 WerFault.exe a041839327295fde3df12ea61374abd19c4499b87e211757c593179d6a6870d1.exe

pid	pid_target	process	target process
2408	3692	WerFault.exe	a041839327295fde3df12ea61374abd19c4499b87e211757c593179d6a6870d1.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:

a041839327295fde3df12ea61374abd19c4499b87e211757c593179d6a6870d1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a041839327295fde3df12ea61374abd19c4499b87e211757c593179d6a6870d1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a041839327295fde3df12ea61374abd19c4499b87e211757c593179d6a6870d1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a041839327295fde3df12ea61374abd19c4499b87e211757c593179d6a6870d1.exe

C:\Users\Admin\AppData\Local\Temp\a041839327295fde3df12ea61374abd19c4499b87e211757c593179d6a6870d1.exe
"C:\Users\Admin\AppData\Local\Temp\a041839327295fde3df12ea61374abd19c4499b87e211757c593179d6a6870d1.exe"
1⤵
- Checks SCSI registry key(s)
PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 384
2⤵
- Program crash
PID:2408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3692 -ip 3692
1⤵
PID:796

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

Replay Monitor

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Downloads

memory/3692-1-0x0000000002F50000-0x0000000003050000-memory.dmp

Filesize
1024KB

Download
memory/3692-2-0x0000000003190000-0x0000000003199000-memory.dmp

Filesize
36KB

Download
memory/3692-3-0x0000000000400000-0x0000000002C2E000-memory.dmp

Filesize
40.2MB

Download