smokeloader | 8fd83c399a67bb90d113c4436d46534ceeaa5fbe890aef5afc7ea8fc85a2c155

Analysis

max time kernel
63s
max time network
67s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 12:48

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General

Target

sel2.exe
Size

13KB
MD5

efc5a4c8b73cf57f0608bfc850130c45
SHA1

e960e4e1e028c9a72cb9576092c1a827f49bda78
SHA256

8fd83c399a67bb90d113c4436d46534ceeaa5fbe890aef5afc7ea8fc85a2c155
SHA512

614c17111586bd7c4fa340b2678bb0e0afc1c03e74170ffffe38b694bd7a5ca694827224b0e81c0c5b89a58b3d2d6ef028323c2f4d90ecf990b2b56d3554be83
SSDEEP

192:vBAlEMZWAY5nCtCY61l40CMvPSohzWLz5xWfgOQ/muu/d5THm4OtOONo:JAnLAXNy/m3/bTKOONo

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	sel2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	sel2.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2616	2716	WerFault.exe	92

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	sel2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe
3092	sel2.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3092	sel2.exe
3092	sel2.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3092 wrote to memory of 2716	3092	sel2.exe	92
PID 3092 wrote to memory of 2716	3092	sel2.exe	92
PID 3092 wrote to memory of 2716	3092	sel2.exe	92

C:\Users\Admin\AppData\Local\Temp\sel2.exe
"C:\Users\Admin\AppData\Local\Temp\sel2.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:3092
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2716
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 1244
    3⤵
    - Program crash
    PID:2616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2716 -ip 2716
1⤵
PID:4640

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/2716-5-0x0000000000A30000-0x0000000000E63000-memory.dmp

Filesize
4.2MB

Download
memory/2716-7-0x0000000000A30000-0x0000000000E63000-memory.dmp

Filesize
4.2MB

Download
memory/2716-8-0x0000000000930000-0x000000000093A000-memory.dmp

Filesize
40KB

Download
memory/2716-12-0x0000000000930000-0x000000000093A000-memory.dmp

Filesize
40KB

Download
memory/3092-0-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3092-1-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/3092-2-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/3092-4-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/3092-15-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/3092-17-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download