smokeloader | 406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1

Analysis

max time kernel
90s
max time network
93s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
04-05-2024 09:04

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General

Target

406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1.exe
Size

326KB
MD5

fc820ff186a4a2c42686e3c8524138e4
SHA1

256b5c4686c2f1889b642135e96296da75c655d3
SHA256

406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1
SHA512

3aeb0a0b18210e28c56ba79f68c7076d901d4881704d846e90117636b329e9d34160471604ceb256ad4e6455caae8ab14fe5b386d50593f7e084f45021b45d3f
SSDEEP

6144:CRsiABN4kQVasU64xPTClvXEkUJsxsb/i:CRs9N4kQVasUvTClvqhb/i

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

1640 4468 WerFault.exe 406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1.exe

pid	pid_target	process	target process
1640	4468	WerFault.exe	406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1.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:

406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1.exe

C:\Users\Admin\AppData\Local\Temp\406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1.exe
"C:\Users\Admin\AppData\Local\Temp\406ac770e634a8a6c970505dc65db47f6b65f438831d464e7e5cc72f3149eff1.exe"
1⤵
- Checks SCSI registry key(s)
PID:4468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 384
2⤵
- Program crash
PID:1640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4468 -ip 4468
1⤵
PID:4124

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4468-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4468-2-0x0000000001D40000-0x0000000001D4B000-memory.dmp

Filesize
44KB

Download
memory/4468-1-0x0000000001D70000-0x0000000001E70000-memory.dmp

Filesize
1024KB

Download
memory/4468-4-0x0000000000400000-0x0000000001A1B000-memory.dmp

Filesize
22.1MB

Download