smokeloader | 3da207e9b649dce2596dcb3bf7c1572e1eeb205179b3a12f61e67932063359da

Analysis

max time kernel
134s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2024, 08:11

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General

Target

521e6ab3da29cda2fc6399ac88289ed9762577ff4e9742a56ec89bf4521be6c1.exe
Size

192KB
MD5

1e318119fdcd8c3541ec26be8c78684b
SHA1

a918d02af23a41f245b53a69b8be0faae6b9580b
SHA256

521e6ab3da29cda2fc6399ac88289ed9762577ff4e9742a56ec89bf4521be6c1
SHA512

fc8a0ff6b11a39d5521a47becb8a2f23810c267bb31cc6daffe6250292de8351eacf7640e4fd79c7055756ef7a72befc63314eee14bf4503068aff260e1c829c
SSDEEP

3072:v/stdl/j8L01d268hQo/6Rlvo2/9NiKcnnJvsXRz52muuC:X0/j8L09oKlg26KcnaRoK

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2440	521e6ab3da29cda2fc6399ac88289ed9762577ff4e9742a56ec89bf4521be6c1.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5092	2440	WerFault.exe	83

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	521e6ab3da29cda2fc6399ac88289ed9762577ff4e9742a56ec89bf4521be6c1.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	521e6ab3da29cda2fc6399ac88289ed9762577ff4e9742a56ec89bf4521be6c1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	521e6ab3da29cda2fc6399ac88289ed9762577ff4e9742a56ec89bf4521be6c1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	521e6ab3da29cda2fc6399ac88289ed9762577ff4e9742a56ec89bf4521be6c1.exe

C:\Users\Admin\AppData\Local\Temp\521e6ab3da29cda2fc6399ac88289ed9762577ff4e9742a56ec89bf4521be6c1.exe
"C:\Users\Admin\AppData\Local\Temp\521e6ab3da29cda2fc6399ac88289ed9762577ff4e9742a56ec89bf4521be6c1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:2440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2440 -s 344
  2⤵
  - Program crash
  PID:5092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2440 -ip 2440
1⤵
PID:776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1105.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/2440-1-0x0000000002DC0000-0x0000000002EC0000-memory.dmp

Filesize
1024KB

Download
memory/2440-2-0x0000000002C20000-0x0000000002C2A000-memory.dmp

Filesize
40KB

Download
memory/2440-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2440-10-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2440-9-0x0000000002C20000-0x0000000002C2A000-memory.dmp

Filesize
40KB

Download
memory/2440-8-0x0000000000400000-0x0000000002BA7000-memory.dmp

Filesize
39.7MB

Download