smokeloader | 554876b48e8ffa7435578ce43177c7a3b6ea92a4f6ad7e5e36856e66d8559691

Analysis

max time kernel
117s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 13:04

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General

Target

11a8b5c35c55501d7ef127a4d5ebe331b7b4e6be72249d79dec30d914e1cb943.exe
Size

242KB
MD5

478553e6419e13981ec6565727fc2aec
SHA1

dce48c90cfc8cc047956396d8d417f0cfdacb323
SHA256

11a8b5c35c55501d7ef127a4d5ebe331b7b4e6be72249d79dec30d914e1cb943
SHA512

5311a303bd11635c8ed7e18ff7762c6041b25e5a569a51fe2b6933730d34ce646d10525feac4d96384cf7106f8c8ffce15745ab5ff7556167ebfdbf63ba2e4f8
SSDEEP

6144:2qutLrUMhy+VX75W0OyQtWBmKLe7NvYmz5koM9J:3utLTy+VX75W7cBmmeZwYOt

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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 target process

2368 2096 WerFault.exe 11a8b5c35c55501d7ef127a4d5ebe331b7b4e6be72249d79dec30d914e1cb943.exe

pid	pid_target	process	target process
2368	2096	WerFault.exe	11a8b5c35c55501d7ef127a4d5ebe331b7b4e6be72249d79dec30d914e1cb943.exe

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:

11a8b5c35c55501d7ef127a4d5ebe331b7b4e6be72249d79dec30d914e1cb943.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	11a8b5c35c55501d7ef127a4d5ebe331b7b4e6be72249d79dec30d914e1cb943.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

11a8b5c35c55501d7ef127a4d5ebe331b7b4e6be72249d79dec30d914e1cb943.exe

description	pid	process	target process
PID 2096 wrote to memory of 2368	2096	11a8b5c35c55501d7ef127a4d5ebe331b7b4e6be72249d79dec30d914e1cb943.exe	WerFault.exe
PID 2096 wrote to memory of 2368	2096	11a8b5c35c55501d7ef127a4d5ebe331b7b4e6be72249d79dec30d914e1cb943.exe	WerFault.exe
PID 2096 wrote to memory of 2368	2096	11a8b5c35c55501d7ef127a4d5ebe331b7b4e6be72249d79dec30d914e1cb943.exe	WerFault.exe
PID 2096 wrote to memory of 2368	2096	11a8b5c35c55501d7ef127a4d5ebe331b7b4e6be72249d79dec30d914e1cb943.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\11a8b5c35c55501d7ef127a4d5ebe331b7b4e6be72249d79dec30d914e1cb943.exe
"C:\Users\Admin\AppData\Local\Temp\11a8b5c35c55501d7ef127a4d5ebe331b7b4e6be72249d79dec30d914e1cb943.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 136
  2⤵
  - Program crash
  PID:2368

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/2096-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2096-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2096-3-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download