smokeloader | 8f56df8f7bb302095392fade5ee1f809f94a43498684746cb21ccc43d629f0c3

Analysis

max time kernel
51s
max time network
56s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25-06-2024 10:25

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General

Target

8f56df8f7bb302095392fade5ee1f809f94a43498684746cb21ccc43d629f0c3.exe
Size

322KB
MD5

277086eac0885cb79d23f5071c6329f7
SHA1

73c684718fa38887937b24f08e5d1954a3a368f8
SHA256

8f56df8f7bb302095392fade5ee1f809f94a43498684746cb21ccc43d629f0c3
SHA512

5f13dd327bd2557d55eb771a1cee2804f7debc5626e5580192819607ad8794cd15b9fe6f818bba590568ef8f7a0b6c4bdd133591db10c03a3638772b0cb4a4b3
SSDEEP

3072:zhgL13mj+fz+R0ZM++emtIN3pcDGNYSm5hPt4LteL1Ek1EJxTEqS:zKLFmjUNMFe9VOp9F8ehNH

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

2596 4616 WerFault.exe 8f56df8f7bb302095392fade5ee1f809f94a43498684746cb21ccc43d629f0c3.exe

pid	pid_target	process	target process
2596	4616	WerFault.exe	8f56df8f7bb302095392fade5ee1f809f94a43498684746cb21ccc43d629f0c3.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:

8f56df8f7bb302095392fade5ee1f809f94a43498684746cb21ccc43d629f0c3.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8f56df8f7bb302095392fade5ee1f809f94a43498684746cb21ccc43d629f0c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8f56df8f7bb302095392fade5ee1f809f94a43498684746cb21ccc43d629f0c3.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8f56df8f7bb302095392fade5ee1f809f94a43498684746cb21ccc43d629f0c3.exe

C:\Users\Admin\AppData\Local\Temp\8f56df8f7bb302095392fade5ee1f809f94a43498684746cb21ccc43d629f0c3.exe
"C:\Users\Admin\AppData\Local\Temp\8f56df8f7bb302095392fade5ee1f809f94a43498684746cb21ccc43d629f0c3.exe"
1⤵
- Checks SCSI registry key(s)
PID:4616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 460
2⤵
- Program crash
PID:2596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4616 -ip 4616
1⤵
PID:4788

Network

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/4616-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4616-2-0x0000000002890000-0x000000000289B000-memory.dmp

Filesize
44KB

Download
memory/4616-1-0x00000000029D0000-0x0000000002AD0000-memory.dmp

Filesize
1024KB

Download
memory/4616-4-0x0000000000400000-0x000000000273D000-memory.dmp

Filesize
35.2MB

Download