smokeloader | 63ba41f19c832dfd7858bf1bb6065bdf0224deb732b6ac83e4ba4828a639ddec

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 09:50

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General

Target

bd5b43581ee638651df0a279e0adafc61e17537a3dbb53d88959f27883ec000c.exe
Size

326KB
MD5

37ec3a19172601379912358650d0c81a
SHA1

23dbbe4f0bce8a8aad4186b457da2f3dc6b3f09a
SHA256

bd5b43581ee638651df0a279e0adafc61e17537a3dbb53d88959f27883ec000c
SHA512

1686e476b5d4a1fbd8ba474440e1bf13ea0234fc01896d5b6314e54b288172cbbf86c446059e1ed64460e4c6252ba48ce55d098d3eee389b7ebcec636445a6d1
SSDEEP

3072:JQk1eoLUj8lLP1M5OyivalZK98Fgi161mbJejLcFQOP2lKEssMOeY5QHShyWVsiy:J1ZLZlLhbvan0mFXQOPZElnyHS/RY

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1740	2248	WerFault.exe	28

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

Processes:

bd5b43581ee638651df0a279e0adafc61e17537a3dbb53d88959f27883ec000c.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bd5b43581ee638651df0a279e0adafc61e17537a3dbb53d88959f27883ec000c.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

bd5b43581ee638651df0a279e0adafc61e17537a3dbb53d88959f27883ec000c.exe

description	pid	Process	procid_target
PID 2248 wrote to memory of 1740	2248	bd5b43581ee638651df0a279e0adafc61e17537a3dbb53d88959f27883ec000c.exe	29
PID 2248 wrote to memory of 1740	2248	bd5b43581ee638651df0a279e0adafc61e17537a3dbb53d88959f27883ec000c.exe	29
PID 2248 wrote to memory of 1740	2248	bd5b43581ee638651df0a279e0adafc61e17537a3dbb53d88959f27883ec000c.exe	29
PID 2248 wrote to memory of 1740	2248	bd5b43581ee638651df0a279e0adafc61e17537a3dbb53d88959f27883ec000c.exe	29

C:\Users\Admin\AppData\Local\Temp\bd5b43581ee638651df0a279e0adafc61e17537a3dbb53d88959f27883ec000c.exe
"C:\Users\Admin\AppData\Local\Temp\bd5b43581ee638651df0a279e0adafc61e17537a3dbb53d88959f27883ec000c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 172
  2⤵
  - Program crash
  PID:1740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2248-1-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/2248-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2248-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2248-5-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2248-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2248-4-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download