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Analysis
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max time kernel
150s -
max time network
131s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
30/09/2023, 17:00
Static task
static1
Behavioral task
behavioral1
Sample
a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe
Resource
win10-20230915-en
General
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Target
a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe
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Size
219KB
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MD5
2629289c44d3d529f3b0e24847e6b3be
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SHA1
3b663d337eb0371dad82cecd74719f48b9f9edec
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SHA256
a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642
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SHA512
76ff1f5567490ec31db1813909f1160f0b1a2896a0f7a4651d6b0a90681ba74a7645759611a4c9c02f320d2bab7cd864c1ffb540c48bf2127087f46b908259f2
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SSDEEP
3072:Ab+yxRTPcC9KQ/6XZe4nOLv5G9mHRSrU5B55/2aIYJ:AjcC97g84iR/x++Z2aI
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
pid Process 3252 Process not Found -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2972 set thread context of 4140 2972 a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe 70 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4140 a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe 4140 a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found 3252 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3252 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4140 a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2972 wrote to memory of 4140 2972 a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe 70 PID 2972 wrote to memory of 4140 2972 a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe 70 PID 2972 wrote to memory of 4140 2972 a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe 70 PID 2972 wrote to memory of 4140 2972 a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe 70 PID 2972 wrote to memory of 4140 2972 a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe 70 PID 2972 wrote to memory of 4140 2972 a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe 70 -
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\a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe"C:\Users\Admin\AppData\Local\Temp\a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Users\Admin\AppData\Local\Temp\a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe"C:\Users\Admin\AppData\Local\Temp\a6ef9d17ec98d77ce64e3e9a439ed970fe2f777086b07e6f11041e0258090642.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4140
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