smokeloader | 37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097

Analysis

max time kernel
93s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 02:09

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General

Target

37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe
Size

295KB
MD5

38d16dd1ea7e3982b15c4138fb095c9c
SHA1

b8fc0e4e21c7c4041b16418d4ff7835ec619fdba
SHA256

37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097
SHA512

6dbdadac82a8c78084cef14182ef193b893df964fac61a8ad839bd4c66750bf04d43ff838dbdad924256ffbf2b5c2e4510d06f7f5c34d5909c75e498ff21dad2
SSDEEP

3072:7mQL0J6Lykc2rj/8Em/ObdouFrScETFV92KrE7JzFhCAwaCG1jv2fcGkAsY4eJDY:aBkdouUBTFyKrWzFhr7CGpocGsYf4

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 4960 set thread context of 3484	4960	37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe	86

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	37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 3484	4960	37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe	86
PID 4960 wrote to memory of 3484	4960	37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe	86
PID 4960 wrote to memory of 3484	4960	37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe	86
PID 4960 wrote to memory of 3484	4960	37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe	86
PID 4960 wrote to memory of 3484	4960	37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe	86
PID 4960 wrote to memory of 3484	4960	37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe	86

C:\Users\Admin\AppData\Local\Temp\37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe
"C:\Users\Admin\AppData\Local\Temp\37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Users\Admin\AppData\Local\Temp\37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe
  "C:\Users\Admin\AppData\Local\Temp\37f379e510a31c3188c9294dcf52d13b02728bfa5f5195b5fa3b2d434dae8097.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3484

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

Replay Monitor

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Downloads

memory/3484-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3484-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3484-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3484-5-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4960-1-0x0000000001890000-0x0000000001990000-memory.dmp

Filesize
1024KB

Download
memory/4960-2-0x0000000001860000-0x0000000001869000-memory.dmp

Filesize
36KB

Download