smokeloader | da9ef8961f83e2cc480524efa2d0061827d12dd6a4e1cd85f4fa0caa31723355

Analysis

max time kernel
149s
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
15-12-2024 13:43

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General

Target

add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.exe
Size

260KB
MD5

297efda7bcbaa24842a097c4f1f1f53c
SHA1

866f390a00bc074eb2fe3f783aab67bd18e47395
SHA256

add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535
SHA512

1c36923ffe49f8bf518650d54e01734f7752522b752d9d96ab53b9bd83990ab0dc1a6786b0ed34585f2303cadee7d224799ef42968da16c921c37f4ca26eab99
SSDEEP

6144:yO6Pvb9LoWp9UOUCwjr4qs7ylhmblRHR8:yO6Pz9z9UOUCwjFPvmB8

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 2068 set thread context of 3900	2068	add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.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	add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.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	add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 3900	2068	add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.exe	82
PID 2068 wrote to memory of 3900	2068	add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.exe	82
PID 2068 wrote to memory of 3900	2068	add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.exe	82
PID 2068 wrote to memory of 3900	2068	add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.exe	82
PID 2068 wrote to memory of 3900	2068	add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.exe	82
PID 2068 wrote to memory of 3900	2068	add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.exe	82

C:\Users\Admin\AppData\Local\Temp\add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.exe
"C:\Users\Admin\AppData\Local\Temp\add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.exe
  "C:\Users\Admin\AppData\Local\Temp\add334ed91b59d9bf632927f367d93cc0abd05e2c6b0c7528cab33a3e4fea535.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3900

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/2068-1-0x0000000002D80000-0x0000000002E80000-memory.dmp

Filesize
1024KB

Download
memory/2068-2-0x0000000002CC0000-0x0000000002CC9000-memory.dmp

Filesize
36KB

Download
memory/3900-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3900-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3900-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download