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Analysis
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max time kernel
151s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
12/04/2023, 01:50
Static task
static1
Behavioral task
behavioral1
Sample
f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe
Resource
win10v2004-20230221-en
General
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Target
f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe
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Size
213KB
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MD5
1799c0e7844853c30dd5172fbb1f3cbb
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SHA1
9549f1034d6fe5537f9f440a20da14b6b8b756c4
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SHA256
f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74
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SHA512
ec1f89d304337180414c5a6d0e9e606735bda1e94e01fed0f0758fe87832e18fea3b1c0c76c038a58b885053606d6a887f4d1df0888c2d67c2944e7bd0377deb
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SSDEEP
3072:t1YUdO+XVPqSIun4Cmly1Jf4VKRF0gy1L+5t16G0RDX:rYUQ+kSIOcyzfr4tLK0G0l
Malware Config
Extracted
smokeloader
pub2
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 2372 set thread context of 1580 2372 f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.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 f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1580 f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe 1580 f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3184 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1580 f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3184 Process not Found Token: SeCreatePagefilePrivilege 3184 Process not Found Token: SeShutdownPrivilege 3184 Process not Found Token: SeCreatePagefilePrivilege 3184 Process not Found Token: SeShutdownPrivilege 3184 Process not Found Token: SeCreatePagefilePrivilege 3184 Process not Found Token: SeShutdownPrivilege 3184 Process not Found Token: SeCreatePagefilePrivilege 3184 Process not Found Token: SeShutdownPrivilege 3184 Process not Found Token: SeCreatePagefilePrivilege 3184 Process not Found Token: SeShutdownPrivilege 3184 Process not Found Token: SeCreatePagefilePrivilege 3184 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2372 wrote to memory of 1580 2372 f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe 82 PID 2372 wrote to memory of 1580 2372 f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe 82 PID 2372 wrote to memory of 1580 2372 f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe 82 PID 2372 wrote to memory of 1580 2372 f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe 82 PID 2372 wrote to memory of 1580 2372 f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe 82 PID 2372 wrote to memory of 1580 2372 f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.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\f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe"C:\Users\Admin\AppData\Local\Temp\f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Users\Admin\AppData\Local\Temp\f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe"C:\Users\Admin\AppData\Local\Temp\f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1580
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