smokeloader | 77b9d55f1d51586e251ffb6c4a11f8076e649eb028324dea6a14d92560e892d0

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 08:39

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General

Target

16510e3e3b17c090d61378c45244828cf1498f99c23f30444c793e21cdb4c14e.exe
Size

286KB
MD5

bb1e281bccd01b2d86d1801906e0b531
SHA1

f1104d0ed065fade912c2883e532c02e6474fc70
SHA256

16510e3e3b17c090d61378c45244828cf1498f99c23f30444c793e21cdb4c14e
SHA512

8970277b64ca5e703fc9553f330dd8270917ccb6668609f6bd9901176f6b69b75d36c9dd72e015a1b27b6396ac946663273c68037d22d132cfc7ef31eb65873b
SSDEEP

3072:TW27HE1WujTG//xh45E5WVh/F208YChN+X+ubAOudjfx4lUOjE:T/7FujKLJAVh/F20bChN+OusHdjf

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2552	2364	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16510e3e3b17c090d61378c45244828cf1498f99c23f30444c793e21cdb4c14e.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2552	2364	16510e3e3b17c090d61378c45244828cf1498f99c23f30444c793e21cdb4c14e.exe	31
PID 2364 wrote to memory of 2552	2364	16510e3e3b17c090d61378c45244828cf1498f99c23f30444c793e21cdb4c14e.exe	31
PID 2364 wrote to memory of 2552	2364	16510e3e3b17c090d61378c45244828cf1498f99c23f30444c793e21cdb4c14e.exe	31
PID 2364 wrote to memory of 2552	2364	16510e3e3b17c090d61378c45244828cf1498f99c23f30444c793e21cdb4c14e.exe	31

C:\Users\Admin\AppData\Local\Temp\16510e3e3b17c090d61378c45244828cf1498f99c23f30444c793e21cdb4c14e.exe
"C:\Users\Admin\AppData\Local\Temp\16510e3e3b17c090d61378c45244828cf1498f99c23f30444c793e21cdb4c14e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 140
  2⤵
  - Program crash
  PID:2552

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/2364-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2364-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2364-3-0x0000000000400000-0x000000000084B000-memory.dmp

Filesize
4.3MB

Download