Analysis
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max time kernel
151s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-01-2023 16:03
Static task
static1
General
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Target
58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda.exe
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Size
175KB
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MD5
9b3bf91d2b19a3933e9517e075c2bf14
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SHA1
3b7c18c79de23754152a99a27c10e2d524fc78ca
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SHA256
58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda
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SHA512
69cbe9ff3c48dc8331e4bc3ad113c465f24146943e3f57b09290fe55f8c2fe03f33de2168af173b5aec38a17dfdf0f50c0cc4469157877a877a23423de73d66b
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SSDEEP
3072:JBN2fxzsZLRk49UH5AveJXWd8xD310PjUsO7:PLLS49UKelWKxD31fsO
Malware Config
Extracted
vidar
2.2
237
https://t.me/litlebey
https://steamcommunity.com/profiles/76561199472399815
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profile_id
237
Signatures
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Detects Smokeloader packer 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2732-133-0x0000000002C10000-0x0000000002C19000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
FA34.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ FA34.exe -
Executes dropped EXE 3 IoCs
Processes:
F88E.exeFA34.exesvcupdater.exepid process 4944 F88E.exe 3896 FA34.exe 1776 svcupdater.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
FA34.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion FA34.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion FA34.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
F88E.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation F88E.exe -
Loads dropped DLL 2 IoCs
Processes:
FA34.exepid process 3896 FA34.exe 3896 FA34.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Processes:
FA34.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA FA34.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
FA34.exepid process 3896 FA34.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 1532 4944 WerFault.exe F88E.exe 2008 3896 WerFault.exe FA34.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda.exedescription ioc process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
FA34.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString FA34.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 FA34.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda.exepid process 2732 58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda.exe 2732 58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda.exe 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 2688 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 2688 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda.exepid process 2732 58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
description pid process Token: SeShutdownPrivilege 2688 Token: SeCreatePagefilePrivilege 2688 Token: SeShutdownPrivilege 2688 Token: SeCreatePagefilePrivilege 2688 Token: SeShutdownPrivilege 2688 Token: SeCreatePagefilePrivilege 2688 Token: SeShutdownPrivilege 2688 Token: SeCreatePagefilePrivilege 2688 Token: SeShutdownPrivilege 2688 Token: SeCreatePagefilePrivilege 2688 -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
pid process 2688 2688 2688 -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
pid process 2688 2688 2688 -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
F88E.exedescription pid process target process PID 2688 wrote to memory of 4944 2688 F88E.exe PID 2688 wrote to memory of 4944 2688 F88E.exe PID 2688 wrote to memory of 4944 2688 F88E.exe PID 2688 wrote to memory of 3896 2688 FA34.exe PID 2688 wrote to memory of 3896 2688 FA34.exe PID 2688 wrote to memory of 3896 2688 FA34.exe PID 4944 wrote to memory of 4436 4944 F88E.exe schtasks.exe PID 4944 wrote to memory of 4436 4944 F88E.exe schtasks.exe PID 4944 wrote to memory of 4436 4944 F88E.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda.exe"C:\Users\Admin\AppData\Local\Temp\58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\F88E.exeC:\Users\Admin\AppData\Local\Temp\F88E.exe1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "svcupdater" /tr "C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f2⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 10282⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\FA34.exeC:\Users\Admin\AppData\Local\Temp\FA34.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3896 -s 19722⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4944 -ip 49441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3896 -ip 38961⤵
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeC:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\mozglue.dllFilesize
133KB
MD58f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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C:\ProgramData\nss3.dllFilesize
1.2MB
MD5bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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C:\Users\Admin\AppData\Local\Temp\F88E.exeFilesize
408KB
MD5261b1db94ccf4266128e2eb71a80fda4
SHA19d4cd03297f31eabe957f261dc7c3c6c268bd39f
SHA256b0072463e78182e8d9721f91f889a62d9ce59a348fddc5196b6201a5fa68b259
SHA5122dd25970561cf9e3d946acd891b601e6aa7e6563dde6c10ed5ac1a6486bbc1851cf3908b5bdee6c9b29633e51c90339209c50d97c0ea28b897bd6e7117b1ac7b
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C:\Users\Admin\AppData\Local\Temp\F88E.exeFilesize
408KB
MD5261b1db94ccf4266128e2eb71a80fda4
SHA19d4cd03297f31eabe957f261dc7c3c6c268bd39f
SHA256b0072463e78182e8d9721f91f889a62d9ce59a348fddc5196b6201a5fa68b259
SHA5122dd25970561cf9e3d946acd891b601e6aa7e6563dde6c10ed5ac1a6486bbc1851cf3908b5bdee6c9b29633e51c90339209c50d97c0ea28b897bd6e7117b1ac7b
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C:\Users\Admin\AppData\Local\Temp\FA34.exeFilesize
1.6MB
MD59a7432c6e41b43262f87e70b15bfd706
SHA13f8664fcea0a2857d9b98e14dfef588b0d8a6a78
SHA25666a4157601cecc7190f76be440e5684ed02bfbb62fd4fb3f6053ca60fdc1b0c5
SHA512e4b496383837ae37629b4ef7b277f3e98af6b93826c7949b2ae92c856953e53102d661de9f22b012f8f80ae853d6712c63d779f12e5eeb29a85001018b884018
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C:\Users\Admin\AppData\Local\Temp\FA34.exeFilesize
1.6MB
MD59a7432c6e41b43262f87e70b15bfd706
SHA13f8664fcea0a2857d9b98e14dfef588b0d8a6a78
SHA25666a4157601cecc7190f76be440e5684ed02bfbb62fd4fb3f6053ca60fdc1b0c5
SHA512e4b496383837ae37629b4ef7b277f3e98af6b93826c7949b2ae92c856953e53102d661de9f22b012f8f80ae853d6712c63d779f12e5eeb29a85001018b884018
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeFilesize
623.1MB
MD50ac3c13791535b7d206f78eb36af997b
SHA15c323100b9b2aad65f3def66240936bf54c1099a
SHA256994254e23972c878500ae878507791a5e4608b4ed8c225bd52a9e16ecebcbc4c
SHA51233841922fccbac9d54ac33d0bae5bcafe53c8e47ed79081bb1d3a56ef15a471a13ba7caf917d72369e78ea7a8fbe18490bc821fddbd76099b011f8c82f895a86
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeFilesize
619.1MB
MD5076bdd73a73c2af5d31f177f06d2bc63
SHA16ec7cee4ddc06bbb7c7f55dce6a35f96c75e4517
SHA2560d43c8d78c67dfd9343d312f532a069948effacce2ad6afabab042df83cfa1e5
SHA5121609278ba5b827d10d8e1a39298b80c6d1fb0aada430da8654d42d9d5c393a83a54733e4a98e67fec52c25d6feef14ec6ccf919d46e7018110f7917b6726aff2
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memory/1776-190-0x00000000006AC000-0x00000000006D6000-memory.dmpFilesize
168KB
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memory/1776-189-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/1776-188-0x00000000006AC000-0x00000000006D6000-memory.dmpFilesize
168KB
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memory/2732-135-0x0000000000400000-0x0000000002B96000-memory.dmpFilesize
39.6MB
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memory/2732-132-0x0000000002CFD000-0x0000000002D10000-memory.dmpFilesize
76KB
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memory/2732-134-0x0000000000400000-0x0000000002B96000-memory.dmpFilesize
39.6MB
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memory/2732-133-0x0000000002C10000-0x0000000002C19000-memory.dmpFilesize
36KB
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memory/3896-152-0x0000000000750000-0x0000000000BD9000-memory.dmpFilesize
4.5MB
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memory/3896-184-0x0000000000750000-0x0000000000BD9000-memory.dmpFilesize
4.5MB
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memory/3896-149-0x0000000000750000-0x0000000000BD9000-memory.dmpFilesize
4.5MB
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memory/3896-150-0x0000000000750000-0x0000000000BD9000-memory.dmpFilesize
4.5MB
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memory/3896-151-0x0000000077C90000-0x0000000077E33000-memory.dmpFilesize
1.6MB
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memory/3896-147-0x0000000000750000-0x0000000000BD9000-memory.dmpFilesize
4.5MB
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memory/3896-153-0x0000000000750000-0x0000000000BD9000-memory.dmpFilesize
4.5MB
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memory/3896-139-0x0000000000000000-mapping.dmp
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memory/3896-142-0x0000000000750000-0x0000000000BD9000-memory.dmpFilesize
4.5MB
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memory/3896-143-0x0000000000750000-0x0000000000BD9000-memory.dmpFilesize
4.5MB
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memory/3896-144-0x0000000000750000-0x0000000000BD9000-memory.dmpFilesize
4.5MB
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memory/3896-158-0x0000000000750000-0x0000000000BD9000-memory.dmpFilesize
4.5MB
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memory/3896-159-0x0000000060900000-0x0000000060992000-memory.dmpFilesize
584KB
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memory/3896-146-0x0000000000750000-0x0000000000BD9000-memory.dmpFilesize
4.5MB
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memory/3896-145-0x0000000000750000-0x0000000000BD9000-memory.dmpFilesize
4.5MB
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memory/3896-180-0x0000000077C90000-0x0000000077E33000-memory.dmpFilesize
1.6MB
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memory/3896-185-0x0000000077C90000-0x0000000077E33000-memory.dmpFilesize
1.6MB
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memory/3896-148-0x0000000000750000-0x0000000000BD9000-memory.dmpFilesize
4.5MB
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memory/3896-183-0x0000000000750000-0x0000000000BD9000-memory.dmpFilesize
4.5MB
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memory/4436-157-0x0000000000000000-mapping.dmp
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memory/4944-182-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/4944-181-0x00000000005DD000-0x0000000000607000-memory.dmpFilesize
168KB
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memory/4944-156-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/4944-155-0x0000000001FA0000-0x0000000001FE7000-memory.dmpFilesize
284KB
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memory/4944-154-0x00000000005DD000-0x0000000000607000-memory.dmpFilesize
168KB
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memory/4944-136-0x0000000000000000-mapping.dmp