Analysis
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max time kernel
148s -
max time network
148s -
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 16:41
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
General
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Target
file.exe
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Size
176KB
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MD5
412910fbbe122dbc56496e41a8b72b54
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SHA1
8a5f50d644c56702b7edb16ee368a64bef7aea24
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SHA256
74b86eed28104c9f459d08d48044192745239f643d8896892acf46ce60deb3fc
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SHA512
6f69dc1e2c357eaf2f47258b30e84ee2d80579ad1ea145b2385995c6a257ec8ddf5efb3608e77724c16f9a9b936c46b205b0133a3e141b1b84c2f9e8072da66d
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SSDEEP
3072:ABN2XdPtLzQWbQ5p8F69mKG5DdWNNO/pOdj0V/E0PVPVGss:oYLMWbNPR+lE/3fG
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 behavioral2/memory/3208-133-0x0000000002C60000-0x0000000002C69000-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:
D130.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ D130.exe -
Executes dropped EXE 3 IoCs
Processes:
CFB8.exeD130.exesvcupdater.exepid process 3872 CFB8.exe 2100 D130.exe 2268 svcupdater.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
D130.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion D130.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion D130.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
CFB8.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation CFB8.exe -
Loads dropped DLL 2 IoCs
Processes:
D130.exepid process 2100 D130.exe 2100 D130.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:
D130.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA D130.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
D130.exepid process 2100 D130.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 4176 3872 WerFault.exe CFB8.exe 4644 2100 WerFault.exe D130.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
file.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
D130.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 D130.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString D130.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:
file.exepid process 3208 file.exe 3208 file.exe 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 3080 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 3080 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
file.exepid process 3208 file.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
description pid process Token: SeShutdownPrivilege 3080 Token: SeCreatePagefilePrivilege 3080 Token: SeShutdownPrivilege 3080 Token: SeCreatePagefilePrivilege 3080 Token: SeShutdownPrivilege 3080 Token: SeCreatePagefilePrivilege 3080 Token: SeShutdownPrivilege 3080 Token: SeCreatePagefilePrivilege 3080 Token: SeShutdownPrivilege 3080 Token: SeCreatePagefilePrivilege 3080 -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
CFB8.exedescription pid process target process PID 3080 wrote to memory of 3872 3080 CFB8.exe PID 3080 wrote to memory of 3872 3080 CFB8.exe PID 3080 wrote to memory of 3872 3080 CFB8.exe PID 3080 wrote to memory of 2100 3080 D130.exe PID 3080 wrote to memory of 2100 3080 D130.exe PID 3080 wrote to memory of 2100 3080 D130.exe PID 3872 wrote to memory of 3992 3872 CFB8.exe schtasks.exe PID 3872 wrote to memory of 3992 3872 CFB8.exe schtasks.exe PID 3872 wrote to memory of 3992 3872 CFB8.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\CFB8.exeC:\Users\Admin\AppData\Local\Temp\CFB8.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 3872 -s 11282⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\D130.exeC:\Users\Admin\AppData\Local\Temp\D130.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 2100 -s 15402⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3872 -ip 38721⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 2100 -ip 21001⤵
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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\CFB8.exeFilesize
408KB
MD5261b1db94ccf4266128e2eb71a80fda4
SHA19d4cd03297f31eabe957f261dc7c3c6c268bd39f
SHA256b0072463e78182e8d9721f91f889a62d9ce59a348fddc5196b6201a5fa68b259
SHA5122dd25970561cf9e3d946acd891b601e6aa7e6563dde6c10ed5ac1a6486bbc1851cf3908b5bdee6c9b29633e51c90339209c50d97c0ea28b897bd6e7117b1ac7b
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C:\Users\Admin\AppData\Local\Temp\CFB8.exeFilesize
408KB
MD5261b1db94ccf4266128e2eb71a80fda4
SHA19d4cd03297f31eabe957f261dc7c3c6c268bd39f
SHA256b0072463e78182e8d9721f91f889a62d9ce59a348fddc5196b6201a5fa68b259
SHA5122dd25970561cf9e3d946acd891b601e6aa7e6563dde6c10ed5ac1a6486bbc1851cf3908b5bdee6c9b29633e51c90339209c50d97c0ea28b897bd6e7117b1ac7b
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C:\Users\Admin\AppData\Local\Temp\D130.exeFilesize
1.6MB
MD59a7432c6e41b43262f87e70b15bfd706
SHA13f8664fcea0a2857d9b98e14dfef588b0d8a6a78
SHA25666a4157601cecc7190f76be440e5684ed02bfbb62fd4fb3f6053ca60fdc1b0c5
SHA512e4b496383837ae37629b4ef7b277f3e98af6b93826c7949b2ae92c856953e53102d661de9f22b012f8f80ae853d6712c63d779f12e5eeb29a85001018b884018
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C:\Users\Admin\AppData\Local\Temp\D130.exeFilesize
1.6MB
MD59a7432c6e41b43262f87e70b15bfd706
SHA13f8664fcea0a2857d9b98e14dfef588b0d8a6a78
SHA25666a4157601cecc7190f76be440e5684ed02bfbb62fd4fb3f6053ca60fdc1b0c5
SHA512e4b496383837ae37629b4ef7b277f3e98af6b93826c7949b2ae92c856953e53102d661de9f22b012f8f80ae853d6712c63d779f12e5eeb29a85001018b884018
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeFilesize
748.7MB
MD534e07c0fb27ddaf49c3f41d836bd653e
SHA16eb82df3c1a47c9b1034ae7818a2df9c234e5843
SHA2564bb24d7dfd498f341ba32b19730115973ca36afb1db02840fb6c0bf95959dbcc
SHA5123d0abd02559411ebeb94937056ae142e17ca1b58f93475a228dddc5f9ac4330711920937cd2aaf2d0874a19019079d656721a3f821420351a1a527e14cbccbc9
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeFilesize
750.4MB
MD56a2afdb050476d369d8b7ac5223cb6b5
SHA166faba8d8cdd38c9bb7f66cc1269fe81a288c079
SHA25629d043549914739c66e81256054813ab426e8ceb42b3963cfaa3ad4b1ca4469d
SHA512692ddc22607340796b74547cdd48ec1699e692650043c6a381d25959497d593fb1b2761a0abb54b86fcb20b5a16bb6aa17082b71c66e713d2d5b21b0e45a0053
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memory/2100-142-0x0000000000160000-0x00000000005E9000-memory.dmpFilesize
4.5MB
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memory/2100-156-0x0000000000160000-0x00000000005E9000-memory.dmpFilesize
4.5MB
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memory/2100-160-0x0000000060900000-0x0000000060992000-memory.dmpFilesize
584KB
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memory/2100-143-0x0000000000160000-0x00000000005E9000-memory.dmpFilesize
4.5MB
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memory/2100-181-0x00000000772E0000-0x0000000077483000-memory.dmpFilesize
1.6MB
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memory/2100-144-0x0000000000160000-0x00000000005E9000-memory.dmpFilesize
4.5MB
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memory/2100-182-0x0000000000160000-0x00000000005E9000-memory.dmpFilesize
4.5MB
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memory/2100-147-0x0000000000160000-0x00000000005E9000-memory.dmpFilesize
4.5MB
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memory/2100-184-0x00000000772E0000-0x0000000077483000-memory.dmpFilesize
1.6MB
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memory/2100-149-0x00000000772E0000-0x0000000077483000-memory.dmpFilesize
1.6MB
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memory/2100-150-0x0000000000160000-0x00000000005E9000-memory.dmpFilesize
4.5MB
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memory/2100-151-0x0000000000160000-0x00000000005E9000-memory.dmpFilesize
4.5MB
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memory/2100-152-0x0000000000160000-0x00000000005E9000-memory.dmpFilesize
4.5MB
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memory/2100-153-0x0000000000160000-0x00000000005E9000-memory.dmpFilesize
4.5MB
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memory/2100-154-0x0000000000160000-0x00000000005E9000-memory.dmpFilesize
4.5MB
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memory/2100-155-0x0000000000160000-0x00000000005E9000-memory.dmpFilesize
4.5MB
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memory/2100-139-0x0000000000000000-mapping.dmp
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memory/2100-183-0x0000000000160000-0x00000000005E9000-memory.dmpFilesize
4.5MB
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memory/2268-187-0x00000000005BC000-0x00000000005E6000-memory.dmpFilesize
168KB
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memory/2268-188-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/2268-189-0x00000000005BC000-0x00000000005E6000-memory.dmpFilesize
168KB
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memory/3208-135-0x0000000000400000-0x0000000002B96000-memory.dmpFilesize
39.6MB
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memory/3208-134-0x0000000000400000-0x0000000002B96000-memory.dmpFilesize
39.6MB
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memory/3208-133-0x0000000002C60000-0x0000000002C69000-memory.dmpFilesize
36KB
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memory/3208-132-0x0000000002C9D000-0x0000000002CB0000-memory.dmpFilesize
76KB
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memory/3872-136-0x0000000000000000-mapping.dmp
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memory/3872-159-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/3872-158-0x000000000061D000-0x0000000000647000-memory.dmpFilesize
168KB
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memory/3872-148-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/3872-146-0x00000000020A0000-0x00000000020E7000-memory.dmpFilesize
284KB
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memory/3872-145-0x000000000061D000-0x0000000000647000-memory.dmpFilesize
168KB
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memory/3992-157-0x0000000000000000-mapping.dmp