Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
17-02-2024 04:46
Static task
static1
Behavioral task
behavioral1
Sample
c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe
Resource
win10v2004-20231215-en
General
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Target
c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe
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Size
211KB
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MD5
28c17350f0da6941f68bbea0eb5af380
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SHA1
42d3ea0b53b6f76b729a9cef45341fae29933d88
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SHA256
c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b
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SHA512
b1bd4d2d1787575b7d5155926aa248203b317f33e13eb237ecb1d33353c3146e6ed67da239f0e96ff98adf8aa7309e6f37f666107176bb6461621d7287fb750f
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SSDEEP
3072:BIVw4zCuQGezasu4/2z6EuQ/yu0ZsBMRpSQDB8mm3CmO:BIm4GudBsukQ5o8NR
Malware Config
Extracted
smokeloader
pub3
Extracted
smokeloader
2022
http://sjyey.com/tmp/index.php
http://babonwo.ru/tmp/index.php
http://mth.com.ua/tmp/index.php
http://piratia.pw/tmp/index.php
http://go-piratia.ru/tmp/index.php
Extracted
amadey
4.14
http://anfesq.com
http://cbinr.com
http://rimakc.ru
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install_dir
68fd3d7ade
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install_file
Utsysc.exe
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strings_key
27ec7fd6f50f63b8af0c1d3deefcc8fe
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url_paths
/forum/index.php
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Downloads MZ/PE file
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Deletes itself 1 IoCs
Processes:
pid process 1180 -
Executes dropped EXE 1 IoCs
Processes:
E560.exepid process 2092 E560.exe -
Loads dropped DLL 5 IoCs
Processes:
WerFault.exepid process 2520 WerFault.exe 2520 WerFault.exe 2520 WerFault.exe 2520 WerFault.exe 2520 WerFault.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2520 2092 WerFault.exe E560.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exedescription ioc process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exepid process 2044 c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe 2044 c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 1180 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exepid process 2044 c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
description pid process Token: SeShutdownPrivilege 1180 -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
E560.exedescription pid process target process PID 1180 wrote to memory of 2092 1180 E560.exe PID 1180 wrote to memory of 2092 1180 E560.exe PID 1180 wrote to memory of 2092 1180 E560.exe PID 1180 wrote to memory of 2092 1180 E560.exe PID 2092 wrote to memory of 2520 2092 E560.exe WerFault.exe PID 2092 wrote to memory of 2520 2092 E560.exe WerFault.exe PID 2092 wrote to memory of 2520 2092 E560.exe WerFault.exe PID 2092 wrote to memory of 2520 2092 E560.exe WerFault.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe"C:\Users\Admin\AppData\Local\Temp\c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2044
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C:\Users\Admin\AppData\Local\Temp\E560.exeC:\Users\Admin\AppData\Local\Temp\E560.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 2562⤵
- Loads dropped DLL
- Program crash
PID:2520
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
361KB
MD5b6c1df2e721d3088438c06671de3127a
SHA12a95143e66673841dc6338bf1f09d9aceedc1bf5
SHA2565bc9960a7aca2d039602f7d6a4828ae277665396974dd1227e414c1dc3f2cb69
SHA512602df6897a406fee67957246096f6820e4a79fb8511f644e94ef17c30cb3bfbb124998849145997d10a841c95d409c349c5c81f66c0c73c277c07137ce0d2a4a