smokeloader | 498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8

Analysis

max time kernel
94s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
06/02/2025, 06:27

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General

Target

498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe
Size

226KB
MD5

63d0e572062c5bfc60fa8496cebe6ca9
SHA1

806274356d15cecd1b3eb10a50c6d4ddbe4a23d7
SHA256

498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8
SHA512

e9d2b7614660c4e09b6a7006266606a53e83936736e1e05a9878fd5ab903306619e7c32a1c0e658e08cf3b09c7ed7770fe8565451fa8bfabe84de3c9db4fea5f
SSDEEP

3072:yseeYELUN2Xh9MRAJtfOpBsPLHewl8sDI45CbJWlftZiScisJ4r+BaqkQ:9YIk2Xn5OpBsDkGCbolftZJuJ4r+JkQ

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 368 set thread context of 4136	368	498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2952	368	WerFault.exe	83

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	498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 368 wrote to memory of 4136	368	498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe	86
PID 368 wrote to memory of 4136	368	498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe	86
PID 368 wrote to memory of 4136	368	498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe	86
PID 368 wrote to memory of 4136	368	498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe	86
PID 368 wrote to memory of 4136	368	498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe	86
PID 368 wrote to memory of 4136	368	498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe	86

C:\Users\Admin\AppData\Local\Temp\498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe
"C:\Users\Admin\AppData\Local\Temp\498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:368
- C:\Users\Admin\AppData\Local\Temp\498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe
  "C:\Users\Admin\AppData\Local\Temp\498ffb8797241785a8667e3be04c743301aaa5b75703847793597a700e41e1a8.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4136
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 368 -s 816
  2⤵
  - Program crash
  PID:2952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 368 -ip 368
1⤵
PID:5024

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/368-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/368-1-0x0000000000250000-0x000000000028C000-memory.dmp

Filesize
240KB

Download
memory/368-2-0x0000000005170000-0x0000000005714000-memory.dmp

Filesize
5.6MB

Download
memory/368-3-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/368-7-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/4136-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4136-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download