Analysis
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max time kernel
150s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
23/09/2023, 08:55
Static task
static1
Behavioral task
behavioral1
Sample
a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe
Resource
win10v2004-20230915-en
General
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Target
a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe
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Size
321KB
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MD5
c311053c6bebbfb1eeaf4593eddd267f
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SHA1
793ec0d3711a0864e50f6557cc96b47545da817e
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SHA256
a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0
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SHA512
cfbb9be7e31fc4f3e193e8409fb9b38b710c3a27fa21284845c8df3ffd05b4223d16b92cfb4724054e29f7663014738f38e6eb81b312ac56cf0a7177d273294c
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SSDEEP
3072:QUY9QqhEpdkxgpz8jIJy9RsN7oGY+O3FdfAakOBEtV67ceJ84X6LcrtxdB:TY9dhWdkxgp8IJyoG3FGOE/iceJHV
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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4856 set thread context of 2292 4856 a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe 86 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2292 a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe 2292 a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3124 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2292 a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 3124 Process not Found Token: SeCreatePagefilePrivilege 3124 Process not Found Token: SeShutdownPrivilege 3124 Process not Found Token: SeCreatePagefilePrivilege 3124 Process not Found Token: SeShutdownPrivilege 3124 Process not Found Token: SeCreatePagefilePrivilege 3124 Process not Found Token: SeShutdownPrivilege 3124 Process not Found Token: SeCreatePagefilePrivilege 3124 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4856 wrote to memory of 2292 4856 a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe 86 PID 4856 wrote to memory of 2292 4856 a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe 86 PID 4856 wrote to memory of 2292 4856 a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe 86 PID 4856 wrote to memory of 2292 4856 a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe 86 PID 4856 wrote to memory of 2292 4856 a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe 86 PID 4856 wrote to memory of 2292 4856 a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe 86 -
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\a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe"C:\Users\Admin\AppData\Local\Temp\a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Users\Admin\AppData\Local\Temp\a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe"C:\Users\Admin\AppData\Local\Temp\a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2292
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