smokeloader | 815d16714fc1ffb855525f17445cd37dd5a5a9fae649a6a2a63c55389d5295b7

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 13:36

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General

Target

3d3d9659fb6e5b35d36db33bccf79990dee404e15548f185456c80f12173337f.exe
Size

260KB
MD5

29606191a5e9d43fac67074b4a140bf7
SHA1

b192d2d85e01c1828db0e1012cde6f00d21c0feb
SHA256

3d3d9659fb6e5b35d36db33bccf79990dee404e15548f185456c80f12173337f
SHA512

7775aceaf453c8ed2a8579aec3efc34f800034faa112d0889d94a3faa760b0d9640b26fa525f01a57b1c07cd0647d0962b7fa22aee112107ceb66c987f788206
SSDEEP

3072:tAQOABcNJLo19Owz5TbOoqbz74Bz0p7Fm5QPO1CrM/h3:SABYJL89VO8hUm52Dr

Score

10^/10

smokeloader pub4 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2884	320	WerFault.exe	29

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3d3d9659fb6e5b35d36db33bccf79990dee404e15548f185456c80f12173337f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 320 wrote to memory of 2884	320	3d3d9659fb6e5b35d36db33bccf79990dee404e15548f185456c80f12173337f.exe	31
PID 320 wrote to memory of 2884	320	3d3d9659fb6e5b35d36db33bccf79990dee404e15548f185456c80f12173337f.exe	31
PID 320 wrote to memory of 2884	320	3d3d9659fb6e5b35d36db33bccf79990dee404e15548f185456c80f12173337f.exe	31
PID 320 wrote to memory of 2884	320	3d3d9659fb6e5b35d36db33bccf79990dee404e15548f185456c80f12173337f.exe	31

C:\Users\Admin\AppData\Local\Temp\3d3d9659fb6e5b35d36db33bccf79990dee404e15548f185456c80f12173337f.exe
"C:\Users\Admin\AppData\Local\Temp\3d3d9659fb6e5b35d36db33bccf79990dee404e15548f185456c80f12173337f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:320
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 320 -s 136
  2⤵
  - Program crash
  PID:2884

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

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Downloads

memory/320-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/320-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/320-3-0x0000000000400000-0x0000000002C2F000-memory.dmp

Filesize
40.2MB

Download
memory/320-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download