smokeloader | 24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 03:45

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General

Target

24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe
Size

211KB
MD5

20d9ca599cc0e8e73b77f5552a303637
SHA1

569b86219cba20b0c5f808b76026a4fb5ab6dc80
SHA256

24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86
SHA512

299dd1b019cd9e80f2e6a527aeccdbdc7ee3251625e33270baab3c7515dfc263421b04c2693cef56afc6d21ef970ff7f60a04d0bf966c220e2cd9836ad60808d
SSDEEP

3072:PmoSdUCtu9MUy4xk2Q5Jco4RxJEPSvnARgYzbHOAg0FujDE5wjmaLJDfLG6PfDLC:PmogFu6U3xkxaRHEF+AOzLNDf66XXXC

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe

description	pid	Process	procid_target
PID 2432 set thread context of 3040	2432	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe	31

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2056	2432	WerFault.exe	30

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:

24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe

description	pid	Process	procid_target
PID 2432 wrote to memory of 3040	2432	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe	31
PID 2432 wrote to memory of 3040	2432	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe	31
PID 2432 wrote to memory of 3040	2432	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe	31
PID 2432 wrote to memory of 3040	2432	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe	31
PID 2432 wrote to memory of 3040	2432	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe	31
PID 2432 wrote to memory of 3040	2432	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe	31
PID 2432 wrote to memory of 3040	2432	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe	31
PID 2432 wrote to memory of 3040	2432	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe	31
PID 2432 wrote to memory of 3040	2432	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe	31
PID 2432 wrote to memory of 2056	2432	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe	32
PID 2432 wrote to memory of 2056	2432	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe	32
PID 2432 wrote to memory of 2056	2432	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe	32
PID 2432 wrote to memory of 2056	2432	24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe	32

C:\Users\Admin\AppData\Local\Temp\24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe
"C:\Users\Admin\AppData\Local\Temp\24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:3040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 88
  2⤵
  - Program crash
  PID:2056

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/2432-0-0x00000000000F1000-0x00000000000F3000-memory.dmp

Filesize
8KB

Download
memory/3040-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3040-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3040-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download