smokeloader | b7e03030f50714f574f595bf9d92ab5b3179bb6b617e658db88f0e8c7d05989b

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 08:17

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General

Target

ffff.exe
Size

13KB
MD5

a441e40fb514d694749fc5b61af5ca91
SHA1

63a70ac55fcfa210fbc30ee104be29a037f691d2
SHA256

b7e03030f50714f574f595bf9d92ab5b3179bb6b617e658db88f0e8c7d05989b
SHA512

c5f5d3eae4ac85955c13e91fdf19f3438c56aaaf77470413428180f4fff2c865128c24d0281acbcbb0ef281db299189c99b9d39ff68105c444452a766e654188
SSDEEP

192:vBAlEMZWAY5nCtCY61l40CMvPSohzWLz5xWfgOQ/muu/d5THm4Ot4O:JAnLAXNy/m3/bTK4O

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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ffff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ffff.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1012	1948	WerFault.exe	96

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe
3352	ffff.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3352	ffff.exe
3352	ffff.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 1948	3352	ffff.exe	96
PID 3352 wrote to memory of 1948	3352	ffff.exe	96
PID 3352 wrote to memory of 1948	3352	ffff.exe	96

C:\Users\Admin\AppData\Local\Temp\ffff.exe
"C:\Users\Admin\AppData\Local\Temp\ffff.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:3352
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 1212
    3⤵
    - Program crash
    PID:1012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1948 -ip 1948
1⤵
PID:1496

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/1948-6-0x0000000000B50000-0x0000000000F83000-memory.dmp

Filesize
4.2MB

Download
memory/1948-7-0x0000000000B50000-0x0000000000F83000-memory.dmp

Filesize
4.2MB

Download
memory/1948-8-0x0000000000560000-0x000000000056A000-memory.dmp

Filesize
40KB

Download
memory/1948-15-0x0000000000560000-0x000000000056A000-memory.dmp

Filesize
40KB

Download
memory/3352-0-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3352-1-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/3352-2-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/3352-4-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/3352-11-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/3352-13-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download