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Analysis
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max time kernel
151s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2023, 12:05
Static task
static1
Behavioral task
behavioral1
Sample
c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe
Resource
win10v2004-20230220-en
General
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Target
c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe
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Size
275KB
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MD5
7906e20e6fdc24a5621a3ceacbfa6ec8
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SHA1
07a6fffc2ab5a9ebf655b8c520288f2ea1553514
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SHA256
c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6
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SHA512
dc2909ce799b9373bd1547d86d01309547d6dd5893537325ececc9725a53e87e811887f4aa1f06eeb74d00fad61e271d3959b0c24bd328dd5b6e00723b8a1484
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SSDEEP
3072:CxASVDcRaayTAnvsAkxkqCD6cs+Xki1Tlh7wWMZpRDgNY/NqpICizQ9lFCJQN0fg:XRaaGDxkqqki1TnwpqaV4iSyTfm
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 5068 set thread context of 5036 5068 c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.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 opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5036 c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe 5036 c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found 3152 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3152 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5036 c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 3152 Process not Found Token: SeCreatePagefilePrivilege 3152 Process not Found Token: SeShutdownPrivilege 3152 Process not Found Token: SeCreatePagefilePrivilege 3152 Process not Found Token: SeShutdownPrivilege 3152 Process not Found Token: SeCreatePagefilePrivilege 3152 Process not Found Token: SeShutdownPrivilege 3152 Process not Found Token: SeCreatePagefilePrivilege 3152 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5068 wrote to memory of 5036 5068 c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe 85 PID 5068 wrote to memory of 5036 5068 c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe 85 PID 5068 wrote to memory of 5036 5068 c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe 85 PID 5068 wrote to memory of 5036 5068 c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe 85 PID 5068 wrote to memory of 5036 5068 c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe 85 PID 5068 wrote to memory of 5036 5068 c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.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\c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe"C:\Users\Admin\AppData\Local\Temp\c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5068 -
C:\Users\Admin\AppData\Local\Temp\c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe"C:\Users\Admin\AppData\Local\Temp\c5f69db3511be6cf18a70ff9a954d5477bbfda2daaee14a85ccddf3b3751dff6.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:5036
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