Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
28-03-2023 00:41
Static task
static1
Behavioral task
behavioral1
Sample
4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe
Resource
win10-20230220-en
General
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Target
4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe
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Size
250KB
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MD5
04e32b3bd11f6233afb0e106da867aa8
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SHA1
c4750a98073df743fe04bf542df0faee2bdea4c5
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SHA256
4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6
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SHA512
233f6d94ab81501e652cc6dd326f61416b37429b068dd0105951c8f8f01e61f57f27b20492309858e188d8cb639e34fecc0e0b9880bd846e3e5fac4420356c16
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SSDEEP
3072:nVuaHyfVd/lxLLqfe5FRPN4pdWBVAyeO3jBJr2GOOIpzjdwj5Ev/Hc:oOyfJxLeEidnGOTFjb
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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Deletes itself 1 IoCs
Processes:
pid process 3224 -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exedescription pid process target process PID 1804 set thread context of 1716 1804 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exepid process 1716 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe 1716 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 3224 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 3224 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exepid process 1716 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exedescription pid process target process PID 1804 wrote to memory of 1716 1804 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe PID 1804 wrote to memory of 1716 1804 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe PID 1804 wrote to memory of 1716 1804 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe PID 1804 wrote to memory of 1716 1804 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe PID 1804 wrote to memory of 1716 1804 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe PID 1804 wrote to memory of 1716 1804 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe 4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe -
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\4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe"C:\Users\Admin\AppData\Local\Temp\4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe"C:\Users\Admin\AppData\Local\Temp\4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1716-121-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1716-123-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1716-125-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1804-122-0x0000000000840000-0x0000000000849000-memory.dmpFilesize
36KB
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memory/3224-124-0x00000000008D0000-0x00000000008E6000-memory.dmpFilesize
88KB