smokeloader | c8f804a821330333cf140c47a8ccc9a4503d5f2f8a6bd582d55469cf88943358

Analysis

max time kernel
93s
max time network
96s
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 13:34

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General

Target

b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.exe
Size

301KB
MD5

1b7102cd1be221ad76d36b7616a8cd22
SHA1

8d4370fcb4a2ad4a8eb1e93b2695061c52241f7d
SHA256

b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966
SHA512

fc6fe09325aea294d6eb4cacbb6262043231a49bc5f15041281945960eab1980f287764cf41e4cb478ebcf6e3d46c9210c7871ecf7895f5604e847a825119969
SSDEEP

3072:oXCP8AaxKsR6MYZhjI5eH/zDh7p0Ya88UFodJ+iPYM/h3isxkgaBChUpZa9uD6Vf:8SpaxPEhjXNp0TXnYeigavwVf

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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 4688 set thread context of 400	4688	b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.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	b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.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	b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 400	4688	b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.exe	82
PID 4688 wrote to memory of 400	4688	b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.exe	82
PID 4688 wrote to memory of 400	4688	b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.exe	82
PID 4688 wrote to memory of 400	4688	b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.exe	82
PID 4688 wrote to memory of 400	4688	b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.exe	82
PID 4688 wrote to memory of 400	4688	b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.exe	82

C:\Users\Admin\AppData\Local\Temp\b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.exe
"C:\Users\Admin\AppData\Local\Temp\b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Users\Admin\AppData\Local\Temp\b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.exe
  "C:\Users\Admin\AppData\Local\Temp\b0158fe51d4e8f65bc306a1069abaae7ecee58077a55a6eb0183a96d196ac966.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:400

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/400-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/400-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/400-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4688-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/4688-2-0x0000000000580000-0x0000000000589000-memory.dmp

Filesize
36KB

Download