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Analysis
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max time kernel
150s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
27/03/2023, 01:11
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
General
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Target
setup.exe
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Size
274KB
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MD5
72f8d289fba464c2202292f0013ec032
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SHA1
1bd02e687888e43e1e652b831dfb27786797ff7d
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SHA256
eb2a81873467dd77ad98de250ee4de97a681051b8fdf1d9b3e1108777fe20f02
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SHA512
81a3c61ae9a5dcd1a840bfd9ff4f4ab4f12a2d0d3bd7322135069630d08a305e4a8a53c6a4e96735774b1242928a8ab69cd039b12732609c8f0dd978c9a2bdbe
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SSDEEP
3072:O3YPCOt43uLvsLuxVu6FCbZsEQGrvzpWUSBfJHpJfa1yP5g/gpNN4TJY:Jguv2uxUQUwfJJJf6/ONN4T
Malware Config
Extracted
smokeloader
lab
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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4140 set thread context of 2664 4140 setup.exe 85 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2664 setup.exe 2664 setup.exe 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 768 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2664 setup.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4140 wrote to memory of 2664 4140 setup.exe 85 PID 4140 wrote to memory of 2664 4140 setup.exe 85 PID 4140 wrote to memory of 2664 4140 setup.exe 85 PID 4140 wrote to memory of 2664 4140 setup.exe 85 PID 4140 wrote to memory of 2664 4140 setup.exe 85 PID 4140 wrote to memory of 2664 4140 setup.exe 85 -
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\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2664
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