smokeloader | 4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 02:53

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General

Target

4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe
Size

334KB
MD5

ec65e722055ffed3fe2be752a2c3bcf0
SHA1

5a6c227838faa6fcf91a93de3e480cd39bde59ee
SHA256

4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679
SHA512

44359d219108817f276e8c1ef54610203b0fa522f6af4d031c88a8cc5fc705dd807395e74de63ab61cf00b94caa3636ce8dc16971d5b27cfbc715d5d3276b27a
SSDEEP

6144:DYd5yDbv17YsCLl5xmBU+MTdCN49+xp2N/8JokVTRtwoGG0m0Dfyp439JO+zWwJp:DK5IwcBUbTQN3GN/ajZLw7G0mI6K3QM

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:

4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe

description	pid	Process	procid_target
PID 2524 set thread context of 2212	2524	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.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:

4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe

description	pid	Process	procid_target
PID 2524 wrote to memory of 2212	2524	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe	30
PID 2524 wrote to memory of 2212	2524	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe	30
PID 2524 wrote to memory of 2212	2524	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe	30
PID 2524 wrote to memory of 2212	2524	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe	30
PID 2524 wrote to memory of 2212	2524	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe	30
PID 2524 wrote to memory of 2212	2524	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe	30
PID 2524 wrote to memory of 2212	2524	4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe	30

C:\Users\Admin\AppData\Local\Temp\4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe
"C:\Users\Admin\AppData\Local\Temp\4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Users\Admin\AppData\Local\Temp\4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe
  "C:\Users\Admin\AppData\Local\Temp\4610a1cca6cee5ed41dfa26ec40cb5f6fa4e7da7fb83cf15b6300f7441055679.exe"
  2⤵
  PID:2212

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/2212-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2212-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2212-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2212-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2524-2-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/2524-1-0x0000000000CF0000-0x0000000000DF0000-memory.dmp

Filesize
1024KB

Download