smokeloader | d983c149edd9a0327e4849ccad36a03cf1e65a90455a17d1cd33e299e3c0c955

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2024 12:21

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General

Target

3ef5af57dd959f15d6d5eef088ed90e8.exe
Size

238KB
MD5

3ef5af57dd959f15d6d5eef088ed90e8
SHA1

ab5efa1579ffad99f59483d61ae44000573eceaf
SHA256

d983c149edd9a0327e4849ccad36a03cf1e65a90455a17d1cd33e299e3c0c955
SHA512

34a988d9d4f7ff05bd64a074aab80e1bf0c007fe99d64a35c37e331133c2595c79a39431671ddf604e0a13e90cf86e15dbf0a5f5eb558df974d909456417fe11
SSDEEP

3072:JbLgjcKZKyCAPkvH48qw48pshB57g7sfUwo3Yf6C:JbLggK4yDPCH48qw7pxwUf3Yf6

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

pid	pid_target	Process	procid_target
3604	3780	WerFault.exe	81

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3ef5af57dd959f15d6d5eef088ed90e8.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3ef5af57dd959f15d6d5eef088ed90e8.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3ef5af57dd959f15d6d5eef088ed90e8.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3ef5af57dd959f15d6d5eef088ed90e8.exe

C:\Users\Admin\AppData\Local\Temp\3ef5af57dd959f15d6d5eef088ed90e8.exe
"C:\Users\Admin\AppData\Local\Temp\3ef5af57dd959f15d6d5eef088ed90e8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 352
  2⤵
  - Program crash
  PID:3604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3780 -ip 3780
1⤵
PID:1292

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/3780-1-0x0000000000790000-0x0000000000890000-memory.dmp

Filesize
1024KB

Download
memory/3780-2-0x0000000002280000-0x000000000228B000-memory.dmp

Filesize
44KB

Download
memory/3780-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3780-5-0x0000000002280000-0x000000000228B000-memory.dmp

Filesize
44KB

Download
memory/3780-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3780-4-0x0000000000400000-0x0000000000539000-memory.dmp

Filesize
1.2MB

Download