Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
31/03/2023, 00:57
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
setup.exe
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Size
223KB
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MD5
3276272e8d6180106095d253030a3fdb
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SHA1
a5702e01f18c6ab8a7576e24b01d448f50f14469
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SHA256
b622a516afd5b69e7586e2ba3efd4b1f9789e6e379d434228b45bf03d4010330
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SHA512
0436b6895c7e338e4ee53a8461555b6f43faaaa23322451abfbd14917de37ed5aff862f422e7b84d0b7a1b56abb5c4a5d346d79e49d8f8ad51a45606f7890a9f
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SSDEEP
3072:ab9NWXQKmTKiXYdjh5tql9pPkgDpHQetlb0HMTIwDGCGOmRLaoJKc3iSS80:L1ORXYGxdHQAgHmxDGClm9Kq
Score
10/10
Malware Config
Extracted
Family
smokeloader
Botnet
lab
Extracted
Family
smokeloader
Version
2020
C2
http://host-file-host6.com/
http://host-host-file8.com/
rc4.i32
rc4.i32
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 748 set thread context of 2248 748 setup.exe 82 -
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 setup.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2248 setup.exe 2248 setup.exe 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2680 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2248 setup.exe -
Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeShutdownPrivilege 2680 Process not Found Token: SeCreatePagefilePrivilege 2680 Process not Found Token: SeShutdownPrivilege 2680 Process not Found Token: SeCreatePagefilePrivilege 2680 Process not Found Token: SeShutdownPrivilege 2680 Process not Found Token: SeCreatePagefilePrivilege 2680 Process not Found Token: SeShutdownPrivilege 2680 Process not Found Token: SeCreatePagefilePrivilege 2680 Process not Found Token: SeShutdownPrivilege 2680 Process not Found Token: SeCreatePagefilePrivilege 2680 Process not Found Token: SeShutdownPrivilege 2680 Process not Found Token: SeCreatePagefilePrivilege 2680 Process not Found Token: SeShutdownPrivilege 2680 Process not Found Token: SeCreatePagefilePrivilege 2680 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2680 Process not Found 2680 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 748 wrote to memory of 2248 748 setup.exe 82 PID 748 wrote to memory of 2248 748 setup.exe 82 PID 748 wrote to memory of 2248 748 setup.exe 82 PID 748 wrote to memory of 2248 748 setup.exe 82 PID 748 wrote to memory of 2248 748 setup.exe 82 PID 748 wrote to memory of 2248 748 setup.exe 82 -
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:748 -
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:2248
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