smokeloader | 379788591c7828558577fa608a8bcdfdd07ed23fc337bdd689fe72c572d71568

Analysis

max time kernel
92s
max time network
152s
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 13:41

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General

Target

99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe
Size

207KB
MD5

92ea8d2a8b0bf0e4d01ebf268c31235b
SHA1

54c15f48800b03fc5c75b399971cb48b83909012
SHA256

99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d
SHA512

5c3be424e7a05702d640817b025789ad7bb047b052230450862804a1c05cd6692876662811f35bfc581cba718599a65dddb03b7d04c72ea6dac6671c8b69aa48
SSDEEP

3072:JLMCLs9SfleRFhVDMoDUYbLmip31VhA2NpZsMb8G1tRv4b:eEQV4ebXplVm2L2lGn

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 3396 set thread context of 4536	3396	99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe	83

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	99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.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	99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 4536	3396	99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe	83
PID 3396 wrote to memory of 4536	3396	99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe	83
PID 3396 wrote to memory of 4536	3396	99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe	83
PID 3396 wrote to memory of 4536	3396	99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe	83
PID 3396 wrote to memory of 4536	3396	99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe	83
PID 3396 wrote to memory of 4536	3396	99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe	83

C:\Users\Admin\AppData\Local\Temp\99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe
"C:\Users\Admin\AppData\Local\Temp\99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Users\Admin\AppData\Local\Temp\99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe
  "C:\Users\Admin\AppData\Local\Temp\99422254a429f65860b0e0a0df37460f667246617556f963fd9eeae1576c481d.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4536

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/3396-1-0x0000000002BF0000-0x0000000002CF0000-memory.dmp

Filesize
1024KB

Download
memory/3396-2-0x0000000002D40000-0x0000000002D49000-memory.dmp

Filesize
36KB

Download
memory/4536-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4536-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4536-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download