smokeloader | 4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679

Analysis

max time kernel
96s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 02:53

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General

Target

4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe
Size

334KB
MD5

ec65e722055ffed3fe2be752a2c3bcf0
SHA1

5a6c227838faa6fcf91a93de3e480cd39bde59ee
SHA256

4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679
SHA512

44359d219108817f276e8c1ef54610203b0fa522f6af4d031c88a8cc5fc705dd807395e74de63ab61cf00b94caa3636ce8dc16971d5b27cfbc715d5d3276b27a
SSDEEP

6144:DYd5yDbv17YsCLl5xmBU+MTdCN49+xp2N/8JokVTRtwoGG0m0Dfyp439JO+zWwJp:DK5IwcBUbTQN3GN/ajZLw7G0mI6K3QM

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

Processes:

4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe

description	pid	process	target process
PID 2124 set thread context of 3860	2124	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.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:

4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.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:

4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe

description	pid	process	target process
PID 2124 wrote to memory of 3860	2124	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe
PID 2124 wrote to memory of 3860	2124	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe
PID 2124 wrote to memory of 3860	2124	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe
PID 2124 wrote to memory of 3860	2124	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe
PID 2124 wrote to memory of 3860	2124	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe
PID 2124 wrote to memory of 3860	2124	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe

C:\Users\Admin\AppData\Local\Temp\4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe
"C:\Users\Admin\AppData\Local\Temp\4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe
  "C:\Users\Admin\AppData\Local\Temp\4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3860

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/2124-1-0x0000000000AC0000-0x0000000000BC0000-memory.dmp

Filesize
1024KB

Download
memory/2124-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/3860-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3860-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3860-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3860-5-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download