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Analysis
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max time kernel
151s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/10/2022, 14:41
Static task
static1
Behavioral task
behavioral1
Sample
3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe
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Size
266KB
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MD5
4d0fac586f247a2c126e8d142be7d85d
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SHA1
d7c473380d3b393ab8e225968a9488c0322eb951
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SHA256
3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e
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SHA512
7ba099761c8d91b804095dc164f4844ec463899c348ef632b839665a569ad5e390956eaa22e6aa77acbad2f5a8b5f6e9e28802e301090c57cf35334459f048f0
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SSDEEP
6144:g1CgYRI18GN+5J6xoNjowuzbgwuqAuesxdHTwVfs:g1FeImG66xGunnRxd5
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/5024-133-0x0000000002040000-0x0000000002049000-memory.dmp family_smokeloader behavioral1/memory/4232-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4232-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4232-137-0x0000000000400000-0x0000000000409000-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 5024 set thread context of 4232 5024 3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe 84 -
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 3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4232 3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe 4232 3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3000 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4232 3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5024 wrote to memory of 4232 5024 3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe 84 PID 5024 wrote to memory of 4232 5024 3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe 84 PID 5024 wrote to memory of 4232 5024 3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe 84 PID 5024 wrote to memory of 4232 5024 3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe 84 PID 5024 wrote to memory of 4232 5024 3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe 84 PID 5024 wrote to memory of 4232 5024 3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe"C:\Users\Admin\AppData\Local\Temp\3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5024 -
C:\Users\Admin\AppData\Local\Temp\3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe"C:\Users\Admin\AppData\Local\Temp\3e8b395ee93d4215c511ac9f0b830cd306c7b4210e744d191d9891311fc4b34e.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4232
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