smokeloader | 3e8b60d3411a6bc8c26ee9bdf94d8402daedf48228224102c2b14d4c2a18df3e

Analysis

max time kernel
93s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 13:54

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General

Target

32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe
Size

217KB
MD5

e5584b1f97d504085e43948c8cb17a27
SHA1

0513822258e09a477d359f4a96076e77857eb84c
SHA256

32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35
SHA512

d12706939d70255064d638b6d9704fda706ad56fa71b529ade34dad9f366b8bf92a4cf466bff97503bd2c1cf404cac0324dd93ff525558e209020684086fc06c
SSDEEP

3072:CtcEoh4G8P46RaruL8GVG6i7RtZ5SdW8YU77yCcNPcisw2Ltq0kKxx:Ct/w6rL8GVG57RKi47yCiEwKtq0k2

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

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 4176 set thread context of 4932	4176	32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe	82

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	32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.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	32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4176 wrote to memory of 4932	4176	32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe	82
PID 4176 wrote to memory of 4932	4176	32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe	82
PID 4176 wrote to memory of 4932	4176	32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe	82
PID 4176 wrote to memory of 4932	4176	32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe	82
PID 4176 wrote to memory of 4932	4176	32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe	82
PID 4176 wrote to memory of 4932	4176	32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe	82

C:\Users\Admin\AppData\Local\Temp\32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe
"C:\Users\Admin\AppData\Local\Temp\32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4176
- C:\Users\Admin\AppData\Local\Temp\32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe
  "C:\Users\Admin\AppData\Local\Temp\32dbf39892289b33739df3a7f052e0c493bee6cdc2c17102393df4cbf0da1f35.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4932

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/4176-1-0x0000000000740000-0x0000000000840000-memory.dmp

Filesize
1024KB

Download
memory/4176-2-0x0000000000700000-0x0000000000709000-memory.dmp

Filesize
36KB

Download
memory/4932-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4932-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4932-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download