smokeloader | 33d95c1abbd37fb856fe904d85133db11c676e59f5f073da363f1f426a8555fe

Analysis

max time kernel
95s
max time network
151s
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 13:42

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General

Target

39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.exe
Size

333KB
MD5

0bba54fc51c0b481f4b64ab693f9892c
SHA1

937bceb009d72ae2b27ea7e1cfc571a90b48c8a1
SHA256

39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759
SHA512

54590896849e69a72b4d546c552257ec35e673032a7a12ad365f31ba1a82d0cda7861fd012f853c40b5c29725ac2cbc66d327c15b4579978fd84bdc152dba553
SSDEEP

6144:MEIiuz5mTk1TjlUAUhyhHrlx1Cwph+3oQ9gOU+fzYBb6:WiiM0e3yhHrlx1CwO9gT6

Score

10^/10

smokeloader pub1 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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 4220 set thread context of 4212	4220	39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.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	39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.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	39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 4212	4220	39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.exe	82
PID 4220 wrote to memory of 4212	4220	39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.exe	82
PID 4220 wrote to memory of 4212	4220	39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.exe	82
PID 4220 wrote to memory of 4212	4220	39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.exe	82
PID 4220 wrote to memory of 4212	4220	39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.exe	82
PID 4220 wrote to memory of 4212	4220	39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.exe	82

C:\Users\Admin\AppData\Local\Temp\39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.exe
"C:\Users\Admin\AppData\Local\Temp\39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Users\Admin\AppData\Local\Temp\39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.exe
  "C:\Users\Admin\AppData\Local\Temp\39a0f118ee707e8414855bf061f253f6781bfe8c100ddb1a256b9ece7457d759.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4212

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/4212-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4212-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4212-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4220-1-0x0000000000B10000-0x0000000000C10000-memory.dmp

Filesize
1024KB

Download
memory/4220-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download