Analysis
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max time kernel
150s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
12-12-2023 01:29
Static task
static1
Behavioral task
behavioral1
Sample
c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe
Resource
win7-20231130-en
Behavioral task
behavioral2
Sample
c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe
Resource
win10v2004-20231130-en
General
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Target
c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe
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Size
206KB
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MD5
8c1ab7b76a63c7e42a5c71117cf5279c
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SHA1
6798daea8e0c7e914e470fbbde5446656dd179f9
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SHA256
c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0
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SHA512
e90bfde6b955b28b478c2757606d39932417c47194fac7a8ec3e73e6a592b1a7d7e4dc6c40c92f939350e7626e4a20ecfa7283b63db59e9fdb6bf08b7f6d1dee
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SSDEEP
3072:EEbx6L3uNUQJa9guOUepD7fxRhRoHf0iFnRX4nTo5f5hTY:Px6LeN1EMN3oHfJfYiT
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 3300 Process not Found -
Executes dropped EXE 2 IoCs
pid Process 60 hgevwgw 1400 hgevwgw -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2300 set thread context of 4468 2300 c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe 90 PID 60 set thread context of 1400 60 hgevwgw 102 -
Program crash 2 IoCs
pid pid_target Process procid_target 384 4468 WerFault.exe 90 836 1400 WerFault.exe 102 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hgevwgw Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hgevwgw Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hgevwgw Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4468 c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe 4468 c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found 3300 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4468 c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe 1400 hgevwgw -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 3300 Process not Found Token: SeCreatePagefilePrivilege 3300 Process not Found Token: SeShutdownPrivilege 3300 Process not Found Token: SeCreatePagefilePrivilege 3300 Process not Found Token: SeShutdownPrivilege 3300 Process not Found Token: SeCreatePagefilePrivilege 3300 Process not Found -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 3300 Process not Found 3300 Process not Found 3300 Process not Found -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3300 Process not Found 3300 Process not Found 3300 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2300 wrote to memory of 4468 2300 c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe 90 PID 2300 wrote to memory of 4468 2300 c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe 90 PID 2300 wrote to memory of 4468 2300 c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe 90 PID 2300 wrote to memory of 4468 2300 c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe 90 PID 2300 wrote to memory of 4468 2300 c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe 90 PID 2300 wrote to memory of 4468 2300 c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe 90 PID 60 wrote to memory of 1400 60 hgevwgw 102 PID 60 wrote to memory of 1400 60 hgevwgw 102 PID 60 wrote to memory of 1400 60 hgevwgw 102 PID 60 wrote to memory of 1400 60 hgevwgw 102 PID 60 wrote to memory of 1400 60 hgevwgw 102 PID 60 wrote to memory of 1400 60 hgevwgw 102 -
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\c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe"C:\Users\Admin\AppData\Local\Temp\c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Users\Admin\AppData\Local\Temp\c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe"C:\Users\Admin\AppData\Local\Temp\c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4468 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 3323⤵
- Program crash
PID:384
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4468 -ip 44681⤵PID:5104
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C:\Users\Admin\AppData\Roaming\hgevwgwC:\Users\Admin\AppData\Roaming\hgevwgw1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:60 -
C:\Users\Admin\AppData\Roaming\hgevwgwC:\Users\Admin\AppData\Roaming\hgevwgw2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1400 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 3283⤵
- Program crash
PID:836
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1400 -ip 14001⤵PID:4056
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
206KB
MD58c1ab7b76a63c7e42a5c71117cf5279c
SHA16798daea8e0c7e914e470fbbde5446656dd179f9
SHA256c94dc9c2bcff3a56a2bff590eea3cc4b8dca265bf9a62c3a586c20601b6ed8f0
SHA512e90bfde6b955b28b478c2757606d39932417c47194fac7a8ec3e73e6a592b1a7d7e4dc6c40c92f939350e7626e4a20ecfa7283b63db59e9fdb6bf08b7f6d1dee