smokeloader | 4c1fc6a16f378978da7c35f36525a4397a983255020fb709d0ad8cbe3f1e38e5

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 17:46

Target

PL/6523.exe
Size

264KB
MD5

b2949b2eb9db982c3782953de8a2573f
SHA1

34ff1afa580b8ca0c23d818f62aafe11e9e16fc2
SHA256

ef5b55fdd770f3c9cbd4a86cc0afe70e79d4d634bd7c88d6d48e07d5a6742dca
SHA512

368d9851bce5bd3aa35d41a2b64ad84f4ebe8ff7611fe4b09ca61db298ac8a5590dd11c8ca56786088c311ab7c5c83ac4da819b50cf449b50704c88b482e33d2
SSDEEP

6144:9+dLV/BxVCLYAXfIeyJuzbgwu70kmiHwVfU:9a5/BxsLYAXWunnsSiv

Score

10^/10

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

2744 2124 WerFault.exe 6523.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:

6523.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6523.exe

pid	pid_target	process	target process
2744	2124	WerFault.exe	6523.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6523.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

6523.exe

description	pid	process	target process
PID 2124 wrote to memory of 2744	2124	6523.exe	WerFault.exe
PID 2124 wrote to memory of 2744	2124	6523.exe	WerFault.exe
PID 2124 wrote to memory of 2744	2124	6523.exe	WerFault.exe
PID 2124 wrote to memory of 2744	2124	6523.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\PL\6523.exe
"C:\Users\Admin\AppData\Local\Temp\PL\6523.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 168
  2⤵
  - Program crash
  PID:2744

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/2124-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/2124-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2124-3-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download