Analysis
- max time kernel
161s - max time network
163s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
15/04/2022, 07:11
Static task
static1
Behavioral task
behavioral1
Sample
e5dc0f7c371037389b6c91e68a52e4ae.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
e5dc0f7c371037389b6c91e68a52e4ae.exe
Resource
win10v2004-20220414-en
General
- Target e5dc0f7c371037389b6c91e68a52e4ae.exe
- Size 267KB
- Sample220415-hzyceabafq
- SHA256 dcaa535d842280f32f6ab34ccf45d91f39ea0a3d6a06d66b0fac687a36b6da80
- MD5 e5dc0f7c371037389b6c91e68a52e4ae
- SHA1 97e623799aba25b92bb06d21327202f48e0a42c4
- SHA512 5bb2b62683389a1358826b2fdf74e99b73200d2fd98f4c11dcb897af091d0d6424c29da80e48d09ba694828430bdfdf5007e926f715fc4311c5a89b20253f30e
- MD5 SHA1 SHA512
Malware Config
Extracted
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smokeloader
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2020
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http://coralee.at/upload/
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http://ducvietcao.com/upload/
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http://biz-acc.ru/upload/
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http://toimap.com/upload/
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http://bbb7d.com/upload/
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http://piratia-life.ru/upload/
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http://curvreport.com/upload/
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http://viagratos.com/upload/
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http://mordo.ru/upload/
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http://pkodev.net/upload/
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https://oakland-studio.video/search.php
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https://seattle-university.video/search.php
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Blocklisted process makes network request 2 IoCs
flow pid Process 52 8 rundll32.exe 56 8 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
pid Process 3164 C2F2.exe 2372 60E9.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2372 set thread context of 552 2372 60E9.exe 89 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 5 IoCs
pid pid_target Process procid_target 3292 2372 WerFault.exe 76 4452 4256 WerFault.exe 78 1372 2372 WerFault.exe 76 4532 2372 WerFault.exe 76 4236 2372 WerFault.exe 76 - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C2F2.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C2F2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI e5dc0f7c371037389b6c91e68a52e4ae.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI e5dc0f7c371037389b6c91e68a52e4ae.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI e5dc0f7c371037389b6c91e68a52e4ae.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C2F2.exe - Checks processor information in registry 2 TTPs 51 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform Specific Field 1 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Status 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data 60E9.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet 60E9.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1 60E9.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Revision 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Status rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform Specific Field 1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status 60E9.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 60E9.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 60E9.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 60E9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier rundll32.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 896 e5dc0f7c371037389b6c91e68a52e4ae.exe 896 e5dc0f7c371037389b6c91e68a52e4ae.exe 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found 768 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 768 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 896 e5dc0f7c371037389b6c91e68a52e4ae.exe 3164 C2F2.exe - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 768 Process not Found Token: SeCreatePagefilePrivilege 768 Process not Found Token: SeShutdownPrivilege 768 Process not Found Token: SeCreatePagefilePrivilege 768 Process not Found Token: SeShutdownPrivilege 768 Process not Found Token: SeCreatePagefilePrivilege 768 Process not Found Token: SeShutdownPrivilege 768 Process not Found Token: SeCreatePagefilePrivilege 768 Process not Found Token: SeShutdownPrivilege 768 Process not Found Token: SeCreatePagefilePrivilege 768 Process not Found Token: SeShutdownPrivilege 768 Process not Found Token: SeCreatePagefilePrivilege 768 Process not Found - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 552 rundll32.exe - Suspicious use of WriteProcessMemory 50 IoCs
description pid Process procid_target PID 768 wrote to memory of 3164 768 Process not Found 75 PID 768 wrote to memory of 3164 768 Process not Found 75 PID 768 wrote to memory of 3164 768 Process not Found 75 PID 768 wrote to memory of 2372 768 Process not Found 76 PID 768 wrote to memory of 2372 768 Process not Found 76 PID 768 wrote to memory of 2372 768 Process not Found 76 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 4256 2372 60E9.exe 78 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 8 2372 60E9.exe 83 PID 2372 wrote to memory of 552 2372 60E9.exe 89 PID 2372 wrote to memory of 552 2372 60E9.exe 89 PID 2372 wrote to memory of 552 2372 60E9.exe 89 PID 2372 wrote to memory of 552 2372 60E9.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\e5dc0f7c371037389b6c91e68a52e4ae.exe"C:\Users\Admin\AppData\Local\Temp\e5dc0f7c371037389b6c91e68a52e4ae.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:896
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C:\Users\Admin\AppData\Local\Temp\C2F2.exeC:\Users\Admin\AppData\Local\Temp\C2F2.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3164
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C:\Users\Admin\AppData\Local\Temp\60E9.exeC:\Users\Admin\AppData\Local\Temp\60E9.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵PID:4256
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4256 -s 5563⤵
- Program crash
PID:4452
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 2362⤵
- Program crash
PID:3292
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Blocklisted process makes network request
PID:8
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 6962⤵
- Program crash
PID:1372
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 9402⤵
- Program crash
PID:4532
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
PID:552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 9522⤵
- Program crash
PID:4236
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2372 -ip 23721⤵PID:5040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 4256 -ip 42561⤵PID:4716
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 2372 -ip 23721⤵PID:5084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2372 -ip 23721⤵PID:4560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2372 -ip 23721⤵PID:4984
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\60E9.exe
- Size 996KB
- SHA256 07c52d7502270fdd42ee6e3fada464e83ac207f57f169f51b2a95a756f401940
- MD5 3868ecce6de88cde234d36bb546a312e
- SHA1 b7568457d7f374b2faab1f4dd6253990100122f8
- SHA512 1e5655733191a62806a0cd93fbc88bd49c75f26f04515dec14e1d564c6ddff6c6603e1b3673628f8ea30d9c0f233ba67bdaa22b7529f77007bc1fe7742d7a2c5
- SSDEEP 24576:jQ9sJgZ2ZmSKM1vE4bpfw+b5xTGT7yajM3J/ia:oZumSfZvbp4+b5xTOZM3p
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\60E9.exe
- Size 996KB
- SHA256 07c52d7502270fdd42ee6e3fada464e83ac207f57f169f51b2a95a756f401940
- MD5 3868ecce6de88cde234d36bb546a312e
- SHA1 b7568457d7f374b2faab1f4dd6253990100122f8
- SHA512 1e5655733191a62806a0cd93fbc88bd49c75f26f04515dec14e1d564c6ddff6c6603e1b3673628f8ea30d9c0f233ba67bdaa22b7529f77007bc1fe7742d7a2c5
- SSDEEP 24576:jQ9sJgZ2ZmSKM1vE4bpfw+b5xTGT7yajM3J/ia:oZumSfZvbp4+b5xTOZM3p
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Aeuuefufseeqi.tmp
- Size 3.1MB
- SHA256 1aaaa2293fe876a572806439950a1b19f19f5c940ac3c5f5afabe5b4c3439f68
- MD5 d14dd03b5e51869834f52b6bf507452b
- SHA1 d8d4daa447aac6d4eb300c983da3ec68419b5425
- SHA512 01f3d2eee123f21e58ccb2554ee8bc128f5c016cd003e4f799d741123fda77ea9821f4d2624df7198a31d1f81db98c38038f90daf91de7fb5f9abf7da28e121d
- SSDEEP 98304:w2ac3nS4nl5pH08qXwcnx/l/fbJn/2OgRYGMI6K:wcnjlfH7cHNn/Zf+
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\C2F2.exe
- Size 1.1MB
- SHA256 d28ef22a04e7e8c4bef2fdbc4d16e697c853aec55dabf58ea07097fec9edf3c1
- MD5 e246d58429ba00bc24e62bb3496e187c
- SHA1 53af71660292a316c841ddbd01a6e9ec1391284b
- SHA512 90f7e8ab6cbe25e65f59e9b5bb0bfc0dda90c5a78234a9528690e97fe4a902ac51c9bad4827a97bbb62aa896af269ba55e12027eacdf525fb4d8bb36034cf48b
- SSDEEP 12288:kcuzkB/XFnm53F7cS/PPbco5v1biVsNNy6:kcuzKVnpSHPY29qsNB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\C2F2.exe
- Size 1.1MB
- SHA256 d28ef22a04e7e8c4bef2fdbc4d16e697c853aec55dabf58ea07097fec9edf3c1
- MD5 e246d58429ba00bc24e62bb3496e187c
- SHA1 53af71660292a316c841ddbd01a6e9ec1391284b
- SHA512 90f7e8ab6cbe25e65f59e9b5bb0bfc0dda90c5a78234a9528690e97fe4a902ac51c9bad4827a97bbb62aa896af269ba55e12027eacdf525fb4d8bb36034cf48b
- SSDEEP 12288:kcuzkB/XFnm53F7cS/PPbco5v1biVsNNy6:kcuzKVnpSHPY29qsNB
- MD5 SHA1 SHA512 SSDEEP