smokeloader | 67cca8e76698d506703867218d35889e503f8ab35200e0cec204df1df3ed1ee3

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2024 05:29

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General

Target

51edb0928c2e36654e59e2451e2540b6.exe
Size

237KB
MD5

51edb0928c2e36654e59e2451e2540b6
SHA1

fc0517fec5bbdaefac962b819bff2ea3d6f92de9
SHA256

67cca8e76698d506703867218d35889e503f8ab35200e0cec204df1df3ed1ee3
SHA512

a9412a504e50dfbb0ca21a48181ced2dbb6fa123411ef0d5b17b235ba97589a3fb05e073b102e887ffdf62aecf3c3f6eae1893c8c21a1e5ed9d717b3ad313251
SSDEEP

3072:H0BoYKwRl18reAhtaAJ54Q+CoNTuA9FBxqXYUGrG:H0BoYVRIjhT+FwsqI

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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

3764 5032 WerFault.exe 51edb0928c2e36654e59e2451e2540b6.exe
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

51edb0928c2e36654e59e2451e2540b6.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 51edb0928c2e36654e59e2451e2540b6.exe

pid	pid_target	process	target process
3764	5032	WerFault.exe	51edb0928c2e36654e59e2451e2540b6.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	51edb0928c2e36654e59e2451e2540b6.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:

51edb0928c2e36654e59e2451e2540b6.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	51edb0928c2e36654e59e2451e2540b6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	51edb0928c2e36654e59e2451e2540b6.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	51edb0928c2e36654e59e2451e2540b6.exe

C:\Users\Admin\AppData\Local\Temp\51edb0928c2e36654e59e2451e2540b6.exe
"C:\Users\Admin\AppData\Local\Temp\51edb0928c2e36654e59e2451e2540b6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:5032
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 352
  2⤵
  - Program crash
  PID:3764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5032 -ip 5032
1⤵
PID:2140

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/5032-1-0x0000000002BF0000-0x0000000002CF0000-memory.dmp

Filesize
1024KB

Download
memory/5032-2-0x0000000002BC0000-0x0000000002BCB000-memory.dmp

Filesize
44KB

Download
memory/5032-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5032-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5032-5-0x0000000002BC0000-0x0000000002BCB000-memory.dmp

Filesize
44KB

Download
memory/5032-4-0x0000000000400000-0x0000000002B3E000-memory.dmp

Filesize
39.2MB

Download