smokeloader | fde9a151f01aaa4bd10355337c8146e28c0716f10a4bdd70718f007f321827fe

Analysis

max time kernel
92s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
02-10-2024 14:12

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General

Target

66fc5c187ba75_lyla343.exe
Size

389KB
MD5

007fa2c8c8ab1fbc6867e44db35c063e
SHA1

fcd9e6754030070ae97a9cb6cfae9178c785f545
SHA256

fde9a151f01aaa4bd10355337c8146e28c0716f10a4bdd70718f007f321827fe
SHA512

988187be4b97ed4d45e7a0b72986f8ff07891e9b8c4014a0d882e96350487632e95902834520df3dc13d21762e282f9ffc9748fe5061f39401766d075907e308
SSDEEP

6144:yB5v9Z13FO0jL/cyv3+Is7RIw0k2aBh4MCU0m9ccVr:CVRjL/cs3fsiEh4MCjm9/

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4624	4556	WerFault.exe	78

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	66fc5c187ba75_lyla343.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	66fc5c187ba75_lyla343.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	66fc5c187ba75_lyla343.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	66fc5c187ba75_lyla343.exe

C:\Users\Admin\AppData\Local\Temp\66fc5c187ba75_lyla343.exe
"C:\Users\Admin\AppData\Local\Temp\66fc5c187ba75_lyla343.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4556
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 484
  2⤵
  - Program crash
  PID:4624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4556 -ip 4556
1⤵
PID:4328

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/4556-1-0x0000000002770000-0x0000000002870000-memory.dmp

Filesize
1024KB

Download
memory/4556-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4556-2-0x0000000002720000-0x000000000272B000-memory.dmp

Filesize
44KB

Download
memory/4556-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4556-5-0x0000000002720000-0x000000000272B000-memory.dmp

Filesize
44KB

Download
memory/4556-4-0x0000000000400000-0x0000000002479000-memory.dmp

Filesize
32.5MB

Download