Analysis
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max time kernel
150s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
03/02/2023, 00:27
Static task
static1
Behavioral task
behavioral1
Sample
d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe
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Size
325KB
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MD5
0ea39fb43780918386a3b16cb9a79049
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SHA1
f6f407047c71f3d73c54ea3a56acd55e34567545
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SHA256
d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08
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SHA512
5396ab47e758efedd9eb699bf97dfaf0ad8045d94b1cf37a4a7ebfdebb2d065eb21c4135d6f806c4f12ca599296c126647ae0f2f91e064ef83b884852fb88f92
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SSDEEP
6144:xyZSL7SLUO6x1xGdCBnB5lwKwpxXAdjV6ptCbNKN:xyZSnSM1xGwBnB5leo
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/4016-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/5000-135-0x00000000005C0000-0x00000000005C9000-memory.dmp family_smokeloader behavioral1/memory/4016-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4016-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5000 set thread context of 4016 5000 d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.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 d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4016 d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe 4016 d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2340 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4016 d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 2340 Process not Found Token: SeCreatePagefilePrivilege 2340 Process not Found Token: SeShutdownPrivilege 2340 Process not Found Token: SeCreatePagefilePrivilege 2340 Process not Found Token: SeShutdownPrivilege 2340 Process not Found Token: SeCreatePagefilePrivilege 2340 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2340 Process not Found 2340 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5000 wrote to memory of 4016 5000 d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe 85 PID 5000 wrote to memory of 4016 5000 d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe 85 PID 5000 wrote to memory of 4016 5000 d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe 85 PID 5000 wrote to memory of 4016 5000 d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe 85 PID 5000 wrote to memory of 4016 5000 d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe 85 PID 5000 wrote to memory of 4016 5000 d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe"C:\Users\Admin\AppData\Local\Temp\d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5000 -
C:\Users\Admin\AppData\Local\Temp\d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe"C:\Users\Admin\AppData\Local\Temp\d042e91287598fd55bb1fd084565465639fc46c8ff943dc4bd08c617aae1ae08.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4016
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