smokeloader | 09f0b8ceffbf7bc86767f450016da68ab377e62748699b98c4ccdb025afbd25d

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-09-2024 20:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a3f49b22c773cdeb209154e12dbe3dd0N.exe
Size

939KB
MD5

a3f49b22c773cdeb209154e12dbe3dd0
SHA1

31c7cd1e9adc323c25ff1438bbb442ca62f47060
SHA256

09f0b8ceffbf7bc86767f450016da68ab377e62748699b98c4ccdb025afbd25d
SHA512

02097123820eb7b65c70cf1f8b405fc332d793051e339dc8aeed96470a93d30fc31826250f507a3463e3a817f9d6eb9d67191ca8fd2464152e531548002bbaf5
SSDEEP

12288:QKL9xB2pG+wwJMRrxbhxJgSSBBqjwJez9OuVD83fzo7N0DuD3iCJc5IeES1J:pdR+XJMRrxbhxJgSYVwz9OuWvzEhp

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1872 set thread context of 2908	1872	a3f49b22c773cdeb209154e12dbe3dd0N.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 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	a3f49b22c773cdeb209154e12dbe3dd0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 2908	1872	a3f49b22c773cdeb209154e12dbe3dd0N.exe	29
PID 1872 wrote to memory of 2908	1872	a3f49b22c773cdeb209154e12dbe3dd0N.exe	29
PID 1872 wrote to memory of 2908	1872	a3f49b22c773cdeb209154e12dbe3dd0N.exe	29
PID 1872 wrote to memory of 2908	1872	a3f49b22c773cdeb209154e12dbe3dd0N.exe	29
PID 1872 wrote to memory of 2908	1872	a3f49b22c773cdeb209154e12dbe3dd0N.exe	29
PID 1872 wrote to memory of 2908	1872	a3f49b22c773cdeb209154e12dbe3dd0N.exe	29
PID 1872 wrote to memory of 2908	1872	a3f49b22c773cdeb209154e12dbe3dd0N.exe	29
PID 1872 wrote to memory of 2908	1872	a3f49b22c773cdeb209154e12dbe3dd0N.exe	29
PID 1872 wrote to memory of 2908	1872	a3f49b22c773cdeb209154e12dbe3dd0N.exe	29
PID 1872 wrote to memory of 2908	1872	a3f49b22c773cdeb209154e12dbe3dd0N.exe	29

C:\Users\Admin\AppData\Local\Temp\a3f49b22c773cdeb209154e12dbe3dd0N.exe
"C:\Users\Admin\AppData\Local\Temp\a3f49b22c773cdeb209154e12dbe3dd0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2908

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

Loading Replay Monitor...

Downloads

memory/2908-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2908-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2908-2-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2908-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2908-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2908-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download