smokeloader | f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
28-05-2024 05:05

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General

Target

f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe
Size

311KB
MD5

fdbaf14d629e96fafca5222a30c1d510
SHA1

e731584aba2f26004116c64f9f8c94b91d8185e6
SHA256

f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0
SHA512

5185d7e5d4b67b5616e4198343fd73d940c7b1de70e94bf9d03f499d0a02d3138e8e0790ec5b89ceefc59d4ada08a5ad41d02ecfb6ec1d3395140840227c9eed
SSDEEP

6144:3eTW9h7ryomzMQXzRpAyxCTGFxGbu7LTlcM:3x95yrzMs//xGLCVcM

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

3056 912 WerFault.exe f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe

pid	pid_target	process	target process
3056	912	WerFault.exe	f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.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:

f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe

C:\Users\Admin\AppData\Local\Temp\f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe
"C:\Users\Admin\AppData\Local\Temp\f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe"
1⤵
- Checks SCSI registry key(s)
PID:912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 912 -s 384
2⤵
- Program crash
PID:3056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 912 -ip 912
1⤵
PID:3564

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/912-1-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

Filesize
1024KB

Download
memory/912-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/912-2-0x0000000002DB0000-0x0000000002DBB000-memory.dmp

Filesize
44KB

Download
memory/912-4-0x0000000000400000-0x0000000002CAC000-memory.dmp

Filesize
40.7MB

Download