smokeloader | 04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 18:52

Target

37f7188e335d32cebe306f87fe55c61c66968d34.exe
Size

246KB
MD5

94ea7bdbeaeec8855fe882abe83fc981
SHA1

37f7188e335d32cebe306f87fe55c61c66968d34
SHA256

04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a
SHA512

d68b6ad2bd0a5a36152b327ec094f878b25c8978417b9b8c55bd2bf579112d112d43bcbb61dedfdfb1c935ee23c4486520a522876b27c1f80625e33ca91dc2b3
SSDEEP

3072:mp2AG9oCFIlkglccv5nx1HOsLlp2XWfNUOiEetWKJbB:a2cCSkBQ5nx1us5p2XWfXep

Score

10^/10

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

2768 2484 WerFault.exe 37f7188e335d32cebe306f87fe55c61c66968d34.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:

37f7188e335d32cebe306f87fe55c61c66968d34.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 37f7188e335d32cebe306f87fe55c61c66968d34.exe

pid	pid_target	process	target process
2768	2484	WerFault.exe	37f7188e335d32cebe306f87fe55c61c66968d34.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	37f7188e335d32cebe306f87fe55c61c66968d34.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

37f7188e335d32cebe306f87fe55c61c66968d34.exe

description	pid	process	target process
PID 2484 wrote to memory of 2768	2484	37f7188e335d32cebe306f87fe55c61c66968d34.exe	WerFault.exe
PID 2484 wrote to memory of 2768	2484	37f7188e335d32cebe306f87fe55c61c66968d34.exe	WerFault.exe
PID 2484 wrote to memory of 2768	2484	37f7188e335d32cebe306f87fe55c61c66968d34.exe	WerFault.exe
PID 2484 wrote to memory of 2768	2484	37f7188e335d32cebe306f87fe55c61c66968d34.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\37f7188e335d32cebe306f87fe55c61c66968d34.exe
"C:\Users\Admin\AppData\Local\Temp\37f7188e335d32cebe306f87fe55c61c66968d34.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 140
  2⤵
  - Program crash
  PID:2768

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/2484-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2484-1-0x00000000008D0000-0x00000000009D0000-memory.dmp

Filesize
1024KB

Download
memory/2484-3-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download