smokeloader | 24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 03:16

Target

569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe
Size

211KB
MD5

20d9ca599cc0e8e73b77f5552a303637
SHA1

569b86219cba20b0c5f808b76026a4fb5ab6dc80
SHA256

24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86
SHA512

299dd1b019cd9e80f2e6a527aeccdbdc7ee3251625e33270baab3c7515dfc263421b04c2693cef56afc6d21ef970ff7f60a04d0bf966c220e2cd9836ad60808d
SSDEEP

3072:PmoSdUCtu9MUy4xk2Q5Jco4RxJEPSvnARgYzbHOAg0FujDE5wjmaLJDfLG6PfDLC:PmogFu6U3xkxaRHEF+AOzLNDf66XXXC

Score

10^/10

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader
Suspicious use of SetThreadContext 1 IoCs

Processes:

569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe

description pid process target process

PID 2552 set thread context of 1832 2552 569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2548 2552 WerFault.exe 569b86219cba20b0c5f808b76026a4fb5ab6dc80.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:

569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe

description	pid	process	target process
PID 2552 set thread context of 1832	2552	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe	RegSvcs.exe

pid	pid_target	process	target process
2548	2552	WerFault.exe	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe

description	pid	process	target process
PID 2552 wrote to memory of 1832	2552	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe	RegSvcs.exe
PID 2552 wrote to memory of 1832	2552	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe	RegSvcs.exe
PID 2552 wrote to memory of 1832	2552	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe	RegSvcs.exe
PID 2552 wrote to memory of 1832	2552	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe	RegSvcs.exe
PID 2552 wrote to memory of 1832	2552	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe	RegSvcs.exe
PID 2552 wrote to memory of 1832	2552	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe	RegSvcs.exe
PID 2552 wrote to memory of 1832	2552	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe	RegSvcs.exe
PID 2552 wrote to memory of 1832	2552	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe	RegSvcs.exe
PID 2552 wrote to memory of 1832	2552	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe	RegSvcs.exe
PID 2552 wrote to memory of 2548	2552	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe	WerFault.exe
PID 2552 wrote to memory of 2548	2552	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe	WerFault.exe
PID 2552 wrote to memory of 2548	2552	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe	WerFault.exe
PID 2552 wrote to memory of 2548	2552	569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe
"C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:1832
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 88
  2⤵
  - Program crash
  PID:2548

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/1832-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1832-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1832-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2552-0-0x0000000000091000-0x0000000000093000-memory.dmp

Filesize
8KB

Download