smokeloader | 04858388ff1fd23042bbf431e7c765125f633660f4f43c9a92d096f581dd8192

Analysis

max time kernel
105s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2025, 13:31

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General

Target

2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe
Size

19.2MB
MD5

3542bbafc4eca6664ff23e4c13f7bdc3
SHA1

85f84f36456b7924621cd3c150deb0c4f5df8274
SHA256

04858388ff1fd23042bbf431e7c765125f633660f4f43c9a92d096f581dd8192
SHA512

630a4157687260456984a96e29a0f84ca7eb7661f0474034cccf5b119b5bc6ac5e89e78c453d3d2ef8c6bde82ac9d25cda88fb3fd7c303fb3b3d6df29a0b7917
SSDEEP

6144:Ka8mjmVQcEzGBPoSUmGWMBCpoiJZVE5Vskrbt:nXjDc4wPoSnGWMBIoipE52k

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 4648 set thread context of 4164	4648	2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe	89

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	2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.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	2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 4164	4648	2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe	89
PID 4648 wrote to memory of 4164	4648	2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe	89
PID 4648 wrote to memory of 4164	4648	2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe	89
PID 4648 wrote to memory of 4164	4648	2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe	89
PID 4648 wrote to memory of 4164	4648	2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe	89
PID 4648 wrote to memory of 4164	4648	2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe	89

C:\Users\Admin\AppData\Local\Temp\2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Users\Admin\AppData\Local\Temp\2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe
  "C:\Users\Admin\AppData\Local\Temp\2025-03-29_3542bbafc4eca6664ff23e4c13f7bdc3_amadey_smoke-loader.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4164

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/4164-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4164-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4164-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4164-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4164-6-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4648-1-0x0000000002FC0000-0x00000000030C0000-memory.dmp

Filesize
1024KB

Download
memory/4648-2-0x0000000002F50000-0x0000000002F59000-memory.dmp

Filesize
36KB

Download