Analysis
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max time kernel
23s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
12-01-2024 10:51
Static task
static1
Behavioral task
behavioral1
Sample
ff5018aa96d03981958cc226c3b2aa40.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
ff5018aa96d03981958cc226c3b2aa40.exe
Resource
win10v2004-20231215-en
General
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Target
ff5018aa96d03981958cc226c3b2aa40.exe
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Size
289KB
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MD5
ff5018aa96d03981958cc226c3b2aa40
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SHA1
752bcfea1e97ade90052e0e52be75ede15fe4e24
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SHA256
fd68ed7ff3adfd19b32efde83d13edb583c7d756d0780d079efac6d09ff8bbb4
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SHA512
56746e106d37b10121d9dab10e236c9da2bc91f7aab92f5edc3b8e4ec6fa353437fe40e8ed3b8a1a6e5e4f72bea5f8acb5ed367a8dd1c9587e9d4ad26732f77f
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SSDEEP
6144:ZecopGFVV+LpU7Z6OHwWylGHbTI/6i9HbRXMA:Z+pGFf+lU7LHnykHC6Ybph
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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Deletes itself 1 IoCs
pid Process 3568 Process not Found -
Executes dropped EXE 1 IoCs
pid Process 912 9981.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 9981.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 912 9981.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4004 set thread context of 5092 4004 ff5018aa96d03981958cc226c3b2aa40.exe 48 -
Program crash 2 IoCs
pid pid_target Process procid_target 3248 5092 WerFault.exe 48 5064 4888 WerFault.exe 102 -
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 ff5018aa96d03981958cc226c3b2aa40.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ff5018aa96d03981958cc226c3b2aa40.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ff5018aa96d03981958cc226c3b2aa40.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 9981.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 9981.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5092 ff5018aa96d03981958cc226c3b2aa40.exe 5092 ff5018aa96d03981958cc226c3b2aa40.exe 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found 3568 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5092 ff5018aa96d03981958cc226c3b2aa40.exe -
Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeShutdownPrivilege 3568 Process not Found Token: SeCreatePagefilePrivilege 3568 Process not Found Token: SeDebugPrivilege 912 9981.exe Token: SeRestorePrivilege 912 9981.exe Token: SeBackupPrivilege 912 9981.exe Token: SeLoadDriverPrivilege 912 9981.exe Token: SeCreatePagefilePrivilege 912 9981.exe Token: SeShutdownPrivilege 912 9981.exe Token: SeTakeOwnershipPrivilege 912 9981.exe Token: SeChangeNotifyPrivilege 912 9981.exe Token: SeCreateTokenPrivilege 912 9981.exe Token: SeMachineAccountPrivilege 912 9981.exe Token: SeSecurityPrivilege 912 9981.exe Token: SeAssignPrimaryTokenPrivilege 912 9981.exe Token: SeCreateGlobalPrivilege 912 9981.exe Token: 33 912 9981.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4004 wrote to memory of 5092 4004 ff5018aa96d03981958cc226c3b2aa40.exe 48 PID 4004 wrote to memory of 5092 4004 ff5018aa96d03981958cc226c3b2aa40.exe 48 PID 4004 wrote to memory of 5092 4004 ff5018aa96d03981958cc226c3b2aa40.exe 48 PID 4004 wrote to memory of 5092 4004 ff5018aa96d03981958cc226c3b2aa40.exe 48 PID 4004 wrote to memory of 5092 4004 ff5018aa96d03981958cc226c3b2aa40.exe 48 PID 4004 wrote to memory of 5092 4004 ff5018aa96d03981958cc226c3b2aa40.exe 48 PID 3568 wrote to memory of 912 3568 Process not Found 101 PID 3568 wrote to memory of 912 3568 Process not Found 101 PID 3568 wrote to memory of 912 3568 Process not Found 101 -
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\ff5018aa96d03981958cc226c3b2aa40.exe"C:\Users\Admin\AppData\Local\Temp\ff5018aa96d03981958cc226c3b2aa40.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4004 -
C:\Users\Admin\AppData\Local\Temp\ff5018aa96d03981958cc226c3b2aa40.exe"C:\Users\Admin\AppData\Local\Temp\ff5018aa96d03981958cc226c3b2aa40.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:5092 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 3283⤵
- Program crash
PID:3248
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5092 -ip 50921⤵PID:1828
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C:\Users\Admin\AppData\Local\Temp\9981.exeC:\Users\Admin\AppData\Local\Temp\9981.exe1⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:912 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵PID:4888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 11403⤵
- Program crash
PID:5064
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C:\Users\Admin\AppData\Local\Temp\9FAC.exeC:\Users\Admin\AppData\Local\Temp\9FAC.exe1⤵PID:1068
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C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"2⤵PID:3304
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4888 -ip 48881⤵PID:4868
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
360KB
MD580c413180b6bd0dd664adc4e0665b494
SHA1e791e4a3391fc6b7bcb58399cd4fa3c52a06b940
SHA2566d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880
SHA512347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a