smokeloader | b7c226784d87fd02de003567bc145cd42d4a0b80e2013a359f034cf12267ab4e

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 06:49

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General

Target

leal.exe
Size

13KB
MD5

ba95440d34e9b234431a2544d2da4cf8
SHA1

6c7d8e4a9fc4f430a034c240912ba7ab391fd93f
SHA256

b7c226784d87fd02de003567bc145cd42d4a0b80e2013a359f034cf12267ab4e
SHA512

e390f04067017650579ddbcb09a1d8d74c89a20d0859b46054c73761f28e9698f8010a294e279284a2f318bc5fe9324ec4037e7da5bc0ef87a3043bc494fd7c7
SSDEEP

192:vBAlEMZWAY5nCtCY61l40CMvPSohzWLz5xWfgOQ/muu/d5THm4Ot2OO:JAnLAXNy/m3/bTK2O

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Version

2017

http://dogewareservice.ru/

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	leal.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	leal.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3984	60	WerFault.exe	84

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	leal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe
4280	leal.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4280	leal.exe
4280	leal.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 60	4280	leal.exe	84
PID 4280 wrote to memory of 60	4280	leal.exe	84
PID 4280 wrote to memory of 60	4280	leal.exe	84

C:\Users\Admin\AppData\Local\Temp\leal.exe
"C:\Users\Admin\AppData\Local\Temp\leal.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:4280
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:60
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 60 -s 1116
    3⤵
    - Program crash
    PID:3984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 60 -ip 60
1⤵
PID:4480

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/60-5-0x00000000002B0000-0x00000000006E3000-memory.dmp

Filesize
4.2MB

Download
memory/60-7-0x00000000002B0000-0x00000000006E3000-memory.dmp

Filesize
4.2MB

Download
memory/60-8-0x0000000000BD0000-0x0000000000BDA000-memory.dmp

Filesize
40KB

Download
memory/60-12-0x0000000000BD0000-0x0000000000BDA000-memory.dmp

Filesize
40KB

Download
memory/4280-0-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4280-1-0x00000000001F0000-0x00000000001FA000-memory.dmp

Filesize
40KB

Download
memory/4280-2-0x00000000001F0000-0x00000000001FA000-memory.dmp

Filesize
40KB

Download
memory/4280-4-0x00000000001F0000-0x00000000001FA000-memory.dmp

Filesize
40KB

Download
memory/4280-16-0x00000000001F0000-0x00000000001FA000-memory.dmp

Filesize
40KB

Download
memory/4280-17-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download