smokeloader | 794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 08:23

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General

Target

794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe
Size

259KB
MD5

330653ec94f84c99634ead97e8f4b001
SHA1

d59151eb324728c3d1d579c486be58bd1993b572
SHA256

794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711
SHA512

d524749c635df4939a1ff297f4d6b5fdb908019de5c4afb77f8ef6e53294427715f97e0cc640cff68d788a7e500c4ab33829adff468c2679a066c8750d55f2e2
SSDEEP

6144:e74P6LGL4GMNB4L2TMfQqX7tNfVXVHQLIiu8cfo0/pWV:44PeGLcfwZGEX8cA0/MV

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:

794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe

description	pid	process	target process
PID 1856 set thread context of 4912	1856	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.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:

794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.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:

794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe

description	pid	process	target process
PID 1856 wrote to memory of 4912	1856	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe
PID 1856 wrote to memory of 4912	1856	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe
PID 1856 wrote to memory of 4912	1856	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe
PID 1856 wrote to memory of 4912	1856	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe
PID 1856 wrote to memory of 4912	1856	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe
PID 1856 wrote to memory of 4912	1856	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe	794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe

C:\Users\Admin\AppData\Local\Temp\794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe
"C:\Users\Admin\AppData\Local\Temp\794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Users\Admin\AppData\Local\Temp\794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe
  "C:\Users\Admin\AppData\Local\Temp\794e1aac45ab6ff75a4976f7c8cac6eb97da52e94bc11415669cbe5551174711.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4912

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/1856-2-0x0000000004C50000-0x0000000004C59000-memory.dmp

Filesize
36KB

Download
memory/1856-1-0x0000000002FF0000-0x00000000030F0000-memory.dmp

Filesize
1024KB

Download
memory/4912-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4912-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4912-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download