smokeloader | 3fd826fc0c032721466b94ab3ec7dcfe006cc284e16132af6b91dfbc064b0907

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 22:26

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General

Target

sant.exe
Size

12KB
MD5

5effca91c3f1e9c87d364460097f8048
SHA1

28387c043ab6857aaa51865346046cf5dc4c7b49
SHA256

3fd826fc0c032721466b94ab3ec7dcfe006cc284e16132af6b91dfbc064b0907
SHA512

b0dba30fde295d3f7858db9d1463239b30cd84921971032b2afb96f811a53ac12c1e6f72013d2eff397b0b89c371e7c023c951cd2102f94157cba9918cd2c3e0
SSDEEP

192:I0EFK6COuHNlcW/1bXMvP8trt2mS3+dlRXwaziCP4kAIschKp0jeaJYrIC+sD:I0m/50t9bGPMrXSyGCP4kA6LyrIle

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Version

2017

http://92.53.105.14/

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk 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\Services\Disk\Enum	sant.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	sant.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2492	2272	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 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	sant.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2272	sant.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe
2320	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2272	sant.exe
2272	sant.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2492	2272	sant.exe	30
PID 2272 wrote to memory of 2492	2272	sant.exe	30
PID 2272 wrote to memory of 2492	2272	sant.exe	30
PID 2272 wrote to memory of 2492	2272	sant.exe	30
PID 2272 wrote to memory of 2320	2272	sant.exe	31
PID 2272 wrote to memory of 2320	2272	sant.exe	31
PID 2272 wrote to memory of 2320	2272	sant.exe	31
PID 2272 wrote to memory of 2320	2272	sant.exe	31

C:\Users\Admin\AppData\Local\Temp\sant.exe
"C:\Users\Admin\AppData\Local\Temp\sant.exe"
1⤵
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 260
  2⤵
  - Program crash
  PID:2492
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2320

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/2272-0-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/2272-1-0x0000000000030000-0x000000000003A000-memory.dmp

Filesize
40KB

Download
memory/2272-2-0x0000000000030000-0x000000000003A000-memory.dmp

Filesize
40KB

Download
memory/2272-4-0x0000000000030000-0x000000000003A000-memory.dmp

Filesize
40KB

Download
memory/2272-9-0x0000000000030000-0x000000000003A000-memory.dmp

Filesize
40KB

Download
memory/2320-5-0x0000000000650000-0x00000000008D1000-memory.dmp

Filesize
2.5MB

Download
memory/2320-7-0x0000000000080000-0x000000000008A000-memory.dmp

Filesize
40KB

Download
memory/2320-6-0x0000000000650000-0x00000000008D1000-memory.dmp

Filesize
2.5MB

Download
memory/2320-12-0x0000000000080000-0x000000000008A000-memory.dmp

Filesize
40KB

Download