smokeloader | 3da207e9b649dce2596dcb3bf7c1572e1eeb205179b3a12f61e67932063359da

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
2316	521e6ab3da29cda2fc6399ac88289ed9762577ff4e9742a56ec89bf4521be6c1.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2564	2316	WerFault.exe	29

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

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2564	2316	521e6ab3da29cda2fc6399ac88289ed9762577ff4e9742a56ec89bf4521be6c1.exe	30
PID 2316 wrote to memory of 2564	2316	521e6ab3da29cda2fc6399ac88289ed9762577ff4e9742a56ec89bf4521be6c1.exe	30
PID 2316 wrote to memory of 2564	2316	521e6ab3da29cda2fc6399ac88289ed9762577ff4e9742a56ec89bf4521be6c1.exe	30
PID 2316 wrote to memory of 2564	2316	521e6ab3da29cda2fc6399ac88289ed9762577ff4e9742a56ec89bf4521be6c1.exe	30

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
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 128
  2⤵
  - Program crash
  PID:2564

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

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

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2316-1-0x0000000002D00000-0x0000000002E00000-memory.dmp

Filesize
1024KB

Download
memory/2316-2-0x0000000000020000-0x000000000002A000-memory.dmp

Filesize
40KB

Download
memory/2316-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2316-9-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2316-8-0x0000000000020000-0x000000000002A000-memory.dmp

Filesize
40KB

Download
memory/2316-7-0x0000000000400000-0x0000000002BA7000-memory.dmp

Filesize
39.7MB

Download