smokeloader | 75d167249768d3b15728389b25c65e97f6ad92610b26b7d65fe8e2db83c41e4d

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 09:08

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General

Target

justdezine.exe
Size

136KB
MD5

7bd33952ce41285449099ae0bcd48d81
SHA1

1d6224283dd85c51a22445a69b1f2771724a7733
SHA256

6d5ac5464acd393224513115ebee2eeca5efca62b2a0e92f50c5186a8f740581
SHA512

bbe8a7d76db63b498b0ff8736ab010c12506b8f27b17eaeb13a77d0972e6512a54dccbf5c050642ffe7665647439c5fd1424312677b351d7fe893a7956728c05
SSDEEP

1536:w8Voh/WygQ/HlLg7ppfmFuOJFrh3dPiifz6JCzUKuhOZa0atsjk5/Npj6T61mD:wNqzo1lNqirxuhOZ7+sI5/DuT61m

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1536 4276 WerFault.exe justdezine.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:

justdezine.exe

description ioc process

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

pid	pid_target	process	target process
1536	4276	WerFault.exe	justdezine.exe

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

justdezine.exe

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

C:\Users\Admin\AppData\Local\Temp\justdezine.exe
"C:\Users\Admin\AppData\Local\Temp\justdezine.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4276
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 352
  2⤵
  - Program crash
  PID:1536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4276 -ip 4276
1⤵
PID:3600

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

Replay Monitor

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Downloads

memory/4276-2-0x0000000001ED0000-0x0000000001ED9000-memory.dmp

Filesize
36KB

Download
memory/4276-1-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/4276-3-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4276-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4276-5-0x0000000001ED0000-0x0000000001ED9000-memory.dmp

Filesize
36KB

Download
memory/4276-4-0x0000000000400000-0x0000000001D6E000-memory.dmp

Filesize
25.4MB

Download