Analysis
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max time kernel
150s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
07-03-2021 06:20
Static task
static1
Behavioral task
behavioral1
Sample
ytrqk.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
ytrqk.exe
Resource
win10v20201028
General
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Target
ytrqk.exe
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Size
159KB
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MD5
d0c53c25e4814001be39bd8e1d19e1f2
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SHA1
98b1664f88fabb2299d136bff11377920b1cc096
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SHA256
070a94ee0cd9ac1b1ed467353f5731e09cab136315447c04f53bc52d4fe3f8cc
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SHA512
261fd9844a9319ecad240f063b6c752f1c277ae1c53edc9a287999f84adb70a8caa233167380c74917eeb9d33812472c9733133110222f283d9e459307fae067
Malware Config
Extracted
smokeloader
2020
http://etasuklavish.today/
http://mragyzmachnobesdi.today/
http://kimchinikuzims.today/
http://slacvostinrius.today/
http://straponuliusyn.today/
http://grammmdinss.today/
http://viprasputinsd.chimkent.su/
http://lupadypa.dagestan.su/
http://stoknolimchin.exnet.su/
http://musaroprovadnikov.live/
http://teemforyourexprensiti.life/
http://stolkgolmishutich.termez.su/
http://roompampamgandish.wtf/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
Processes:
pid process 3040 -
Loads dropped DLL 1 IoCs
Processes:
ytrqk.exepid process 1048 ytrqk.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
ytrqk.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ytrqk.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ytrqk.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ytrqk.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
ytrqk.exepid process 1048 ytrqk.exe 1048 ytrqk.exe 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 3040 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
ytrqk.exepid process 1048 ytrqk.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
pid process 3040
Processes
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\2F6.tmpMD5
50741b3f2d7debf5d2bed63d88404029
SHA156210388a627b926162b36967045be06ffb1aad3
SHA256f2f8732ae464738372ff274b7e481366cecdd2337210d4a3cbcd089c958a730c
SHA512fac6bfe35b1ee08b3d42d330516a260d9cdb4a90bbb0491411a583029b92a59d20af3552372ea8fb3f59442b3945bf524ef284127f397ae7179467080be8e9b3
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memory/1048-2-0x0000000003220000-0x0000000003221000-memory.dmpFilesize
4KB
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memory/1048-5-0x0000000000400000-0x000000000040A000-memory.dmpFilesize
40KB
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memory/1048-4-0x0000000000030000-0x000000000003A000-memory.dmpFilesize
40KB
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memory/3040-6-0x0000000001030000-0x0000000001046000-memory.dmpFilesize
88KB