smokeloader | 4094b4a53b6b12faa90b741bf3efedcd96ec39200fc457cf1dd73dafa9775f4f

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 19:03

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General

Target

4094b4a53b6b12faa90b741bf3efedcd96ec39200fc457cf1dd73dafa9775f4fN.exe
Size

304KB
MD5

76c1767f8d4298f7563eff6fbc916910
SHA1

d714c3bd60d157e229b98b6f03ba293e54c95f2a
SHA256

4094b4a53b6b12faa90b741bf3efedcd96ec39200fc457cf1dd73dafa9775f4f
SHA512

5fa552824de77b5b6a252961c7485b376ba60e0868ad3ed50358e7a03bf116f656e0af06955fb73c7ab468425c19ebb7debbd6b3a22d97c9881f34e554fbaa6e
SSDEEP

3072:BHXY0tuJPDRY3qq+bKXlPHB0IEKfgRIT85G6fk4orVQwgn07B49weYX2L3vEPnss:9dcRCqq+GRh0IhfWc9VTywzmL3vHI7d

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
3060	2984	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	4094b4a53b6b12faa90b741bf3efedcd96ec39200fc457cf1dd73dafa9775f4fN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 3060	2984	4094b4a53b6b12faa90b741bf3efedcd96ec39200fc457cf1dd73dafa9775f4fN.exe	30
PID 2984 wrote to memory of 3060	2984	4094b4a53b6b12faa90b741bf3efedcd96ec39200fc457cf1dd73dafa9775f4fN.exe	30
PID 2984 wrote to memory of 3060	2984	4094b4a53b6b12faa90b741bf3efedcd96ec39200fc457cf1dd73dafa9775f4fN.exe	30
PID 2984 wrote to memory of 3060	2984	4094b4a53b6b12faa90b741bf3efedcd96ec39200fc457cf1dd73dafa9775f4fN.exe	30

C:\Users\Admin\AppData\Local\Temp\4094b4a53b6b12faa90b741bf3efedcd96ec39200fc457cf1dd73dafa9775f4fN.exe
"C:\Users\Admin\AppData\Local\Temp\4094b4a53b6b12faa90b741bf3efedcd96ec39200fc457cf1dd73dafa9775f4fN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2984 -s 168
  2⤵
  - Program crash
  PID:3060

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/2984-0-0x00000000003C0000-0x00000000003EC000-memory.dmp

Filesize
176KB

Download
memory/2984-1-0x00000000001B0000-0x00000000001BB000-memory.dmp

Filesize
44KB

Download
memory/2984-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2984-4-0x00000000001B0000-0x00000000001BB000-memory.dmp

Filesize
44KB

Download
memory/2984-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2984-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2984-5-0x00000000003C0000-0x00000000003EC000-memory.dmp

Filesize
176KB

Download