Analysis
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max time kernel
216s -
max time network
248s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 14:46
Static task
static1
Behavioral task
behavioral1
Sample
334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374.exe
Resource
win10v2004-20220812-en
General
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Target
334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374.exe
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Size
351KB
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MD5
8ae34a1f9bf1d265263eef213ad5ec23
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SHA1
4077044932630162ac3d4b707a3355719373edf3
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SHA256
334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374
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SHA512
d4b27f491f32fe5c676917a1badc481bbe92e73cce327bfa8892c4f34cac5e0563e18afc56289bad9373fec8c14a04546b09c074499477de6e5e4e51dfefec31
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SSDEEP
6144:4Yr4dwAfKxihZc0f71tJJnMW2Rqn+jt3Y:4YmwAfPZJXMW34t3Y
Malware Config
Signatures
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Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral1/memory/4540-133-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 1 IoCs
pid Process 440 wfafsvv -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wfafsvv Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wfafsvv Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wfafsvv Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4540 334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374.exe 4540 334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374.exe 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found 2456 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2456 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4540 334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374.exe 440 wfafsvv -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2456 Process not Found Token: SeCreatePagefilePrivilege 2456 Process not Found
Processes
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C:\Users\Admin\AppData\Local\Temp\334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374.exe"C:\Users\Admin\AppData\Local\Temp\334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4540
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C:\Users\Admin\AppData\Roaming\wfafsvvC:\Users\Admin\AppData\Roaming\wfafsvv1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:440
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
351KB
MD58ae34a1f9bf1d265263eef213ad5ec23
SHA14077044932630162ac3d4b707a3355719373edf3
SHA256334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374
SHA512d4b27f491f32fe5c676917a1badc481bbe92e73cce327bfa8892c4f34cac5e0563e18afc56289bad9373fec8c14a04546b09c074499477de6e5e4e51dfefec31
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Filesize
351KB
MD58ae34a1f9bf1d265263eef213ad5ec23
SHA14077044932630162ac3d4b707a3355719373edf3
SHA256334f9e1af0cb519d3708eb64a94c3cb9923ef07a2ab74b353816c4e394f4f374
SHA512d4b27f491f32fe5c676917a1badc481bbe92e73cce327bfa8892c4f34cac5e0563e18afc56289bad9373fec8c14a04546b09c074499477de6e5e4e51dfefec31