Analysis
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max time kernel
150s -
max time network
137s -
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 17:51
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
General
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Target
file.exe
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Size
176KB
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MD5
59c488585bd2026e9801570209b7bd1d
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SHA1
353ba91c0096fee87527b1b222a20777eeaf905d
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SHA256
bc920b349c0edabf7b151dc527d3d4a31aabc2a24fb8265ead0b36f2695ef88f
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SHA512
16690810fc2da536298bb5833bd89d16993fc99cac5d4115bbfe8fcf11e5517e66bf61cf2360360f6ede5ad7bd1921ca28e864fa7c66e9c2938c1ccc17a34b19
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SSDEEP
3072:6BN2x8CJLaNLeR5S04YWCQPvuPnIsDzwBKFpWwCjJGV5Os:OCLgLe14YW7PGP1DkBKFAJiO
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/956-133-0x0000000002E30000-0x0000000002E39000-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:
10F9.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 10F9.exe -
Executes dropped EXE 3 IoCs
Processes:
F71.exe10F9.exesvcupdater.exepid process 208 F71.exe 1536 10F9.exe 1252 svcupdater.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
10F9.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 10F9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 10F9.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
F71.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation F71.exe -
Loads dropped DLL 2 IoCs
Processes:
10F9.exepid process 1536 10F9.exe 1536 10F9.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:
10F9.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 10F9.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
10F9.exepid process 1536 10F9.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 1892 208 WerFault.exe F71.exe 4240 1536 WerFault.exe 10F9.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:
10F9.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 10F9.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 10F9.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 956 file.exe 956 file.exe 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 2228 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 2228 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
file.exepid process 956 file.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
description pid process Token: SeShutdownPrivilege 2228 Token: SeCreatePagefilePrivilege 2228 Token: SeShutdownPrivilege 2228 Token: SeCreatePagefilePrivilege 2228 Token: SeShutdownPrivilege 2228 Token: SeCreatePagefilePrivilege 2228 Token: SeShutdownPrivilege 2228 Token: SeCreatePagefilePrivilege 2228 Token: SeShutdownPrivilege 2228 Token: SeCreatePagefilePrivilege 2228 -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
F71.exedescription pid process target process PID 2228 wrote to memory of 208 2228 F71.exe PID 2228 wrote to memory of 208 2228 F71.exe PID 2228 wrote to memory of 208 2228 F71.exe PID 2228 wrote to memory of 1536 2228 10F9.exe PID 2228 wrote to memory of 1536 2228 10F9.exe PID 2228 wrote to memory of 1536 2228 10F9.exe PID 208 wrote to memory of 3492 208 F71.exe schtasks.exe PID 208 wrote to memory of 3492 208 F71.exe schtasks.exe PID 208 wrote to memory of 3492 208 F71.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\F71.exeC:\Users\Admin\AppData\Local\Temp\F71.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 208 -s 10322⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\10F9.exeC:\Users\Admin\AppData\Local\Temp\10F9.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 1536 -s 18002⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 208 -ip 2081⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1536 -ip 15361⤵
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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\10F9.exeFilesize
1.6MB
MD59a7432c6e41b43262f87e70b15bfd706
SHA13f8664fcea0a2857d9b98e14dfef588b0d8a6a78
SHA25666a4157601cecc7190f76be440e5684ed02bfbb62fd4fb3f6053ca60fdc1b0c5
SHA512e4b496383837ae37629b4ef7b277f3e98af6b93826c7949b2ae92c856953e53102d661de9f22b012f8f80ae853d6712c63d779f12e5eeb29a85001018b884018
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C:\Users\Admin\AppData\Local\Temp\10F9.exeFilesize
1.6MB
MD59a7432c6e41b43262f87e70b15bfd706
SHA13f8664fcea0a2857d9b98e14dfef588b0d8a6a78
SHA25666a4157601cecc7190f76be440e5684ed02bfbb62fd4fb3f6053ca60fdc1b0c5
SHA512e4b496383837ae37629b4ef7b277f3e98af6b93826c7949b2ae92c856953e53102d661de9f22b012f8f80ae853d6712c63d779f12e5eeb29a85001018b884018
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C:\Users\Admin\AppData\Local\Temp\F71.exeFilesize
408KB
MD5261b1db94ccf4266128e2eb71a80fda4
SHA19d4cd03297f31eabe957f261dc7c3c6c268bd39f
SHA256b0072463e78182e8d9721f91f889a62d9ce59a348fddc5196b6201a5fa68b259
SHA5122dd25970561cf9e3d946acd891b601e6aa7e6563dde6c10ed5ac1a6486bbc1851cf3908b5bdee6c9b29633e51c90339209c50d97c0ea28b897bd6e7117b1ac7b
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C:\Users\Admin\AppData\Local\Temp\F71.exeFilesize
408KB
MD5261b1db94ccf4266128e2eb71a80fda4
SHA19d4cd03297f31eabe957f261dc7c3c6c268bd39f
SHA256b0072463e78182e8d9721f91f889a62d9ce59a348fddc5196b6201a5fa68b259
SHA5122dd25970561cf9e3d946acd891b601e6aa7e6563dde6c10ed5ac1a6486bbc1851cf3908b5bdee6c9b29633e51c90339209c50d97c0ea28b897bd6e7117b1ac7b
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeFilesize
642.5MB
MD53e148293e97e4f4f6a47f41ca43a69cc
SHA11a6f7b05d87f33f1cff04bf20a3caf162cdb4bbb
SHA2564f341938548bc023b3231c13314f55461ef947b882e74cc25fa75f000e80bea1
SHA512f4544f7fa78c222f4dd36830596396ff759041b507cf56f4f25134be5a2440479bd806f17cce4ded18e448c069bb26f9293dd9bde29afde6e0933779ca6008db
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeFilesize
638.7MB
MD55bc1ef29f7952f2abe638a76ad7d5773
SHA1abaf431897043307b3ff6b0f23d2f3fb2fdad339
SHA2569a0fc34b074765d76b8bf90c2d6fab7161a0720a91c1a212e70d5c06b2f55a91
SHA5122be69964fcaca6a597cf11ffd6f3aa3e403e25bb298a786524cd5ec2123eb456d4ada41b47e06a1cefb7c408973554deaa2933175403ff46e2aed6c3545e5f31
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memory/208-182-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/208-136-0x0000000000000000-mapping.dmp
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memory/208-153-0x000000000064D000-0x0000000000677000-memory.dmpFilesize
168KB
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memory/208-181-0x000000000064D000-0x0000000000677000-memory.dmpFilesize
168KB
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memory/208-155-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/208-154-0x00000000005C0000-0x0000000000607000-memory.dmpFilesize
284KB
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memory/956-132-0x0000000002F0D000-0x0000000002F20000-memory.dmpFilesize
76KB
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memory/956-135-0x0000000000400000-0x0000000002B96000-memory.dmpFilesize
39.6MB
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memory/956-134-0x0000000000400000-0x0000000002B96000-memory.dmpFilesize
39.6MB
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memory/956-133-0x0000000002E30000-0x0000000002E39000-memory.dmpFilesize
36KB
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memory/1252-189-0x000000000076C000-0x0000000000796000-memory.dmpFilesize
168KB
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memory/1252-188-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/1252-187-0x000000000076C000-0x0000000000796000-memory.dmpFilesize
168KB
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memory/1536-143-0x0000000000700000-0x0000000000B89000-memory.dmpFilesize
4.5MB
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memory/1536-149-0x0000000000700000-0x0000000000B89000-memory.dmpFilesize
4.5MB
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memory/1536-151-0x0000000000700000-0x0000000000B89000-memory.dmpFilesize
4.5MB
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memory/1536-156-0x0000000000700000-0x0000000000B89000-memory.dmpFilesize
4.5MB
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memory/1536-157-0x00000000771B0000-0x0000000077353000-memory.dmpFilesize
1.6MB
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memory/1536-158-0x0000000060900000-0x0000000060992000-memory.dmpFilesize
584KB
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memory/1536-177-0x0000000000700000-0x0000000000B89000-memory.dmpFilesize
4.5MB
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memory/1536-139-0x0000000000000000-mapping.dmp
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memory/1536-150-0x0000000000700000-0x0000000000B89000-memory.dmpFilesize
4.5MB
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memory/1536-152-0x0000000000700000-0x0000000000B89000-memory.dmpFilesize
4.5MB
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memory/1536-148-0x0000000000700000-0x0000000000B89000-memory.dmpFilesize
4.5MB
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memory/1536-147-0x0000000000700000-0x0000000000B89000-memory.dmpFilesize
4.5MB
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memory/1536-183-0x0000000000700000-0x0000000000B89000-memory.dmpFilesize
4.5MB
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memory/1536-184-0x00000000771B0000-0x0000000077353000-memory.dmpFilesize
1.6MB
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memory/1536-146-0x0000000000700000-0x0000000000B89000-memory.dmpFilesize
4.5MB
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memory/1536-145-0x00000000771B0000-0x0000000077353000-memory.dmpFilesize
1.6MB
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memory/1536-144-0x0000000000700000-0x0000000000B89000-memory.dmpFilesize
4.5MB
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memory/1536-142-0x0000000000700000-0x0000000000B89000-memory.dmpFilesize
4.5MB
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memory/3492-178-0x0000000000000000-mapping.dmp