Analysis
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max time kernel
150s -
max time network
150s -
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 15:11
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
General
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Target
file.exe
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Size
175KB
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MD5
098f81263570d918777a623736f2d61a
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SHA1
89b9a019c1e6ebd8c79996f9e8a037166a4ca677
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SHA256
52d2e4bae2325447679354f2e85e91458ef7c3dfeb2d88c20e461d4b0f7d49bb
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SHA512
c39dd4731acba5267195e31c4b374cad879c9ac872248e49b069dd2c33f338d431aad1952dad8eaaee8f42b047436402e6b978d365a2c8244c2a7937ee70924f
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SSDEEP
3072:mBN2BgrwfOLjJlYXC5Gb8PyIeT8qEkUGaRW/PfHv:6QCLjJlCX6yhTVdUTG
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/4664-133-0x0000000002E30000-0x0000000002E39000-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:
CBC2.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ CBC2.exe -
Executes dropped EXE 3 IoCs
Processes:
CA0B.exeCBC2.exesvcupdater.exepid process 4596 CA0B.exe 4808 CBC2.exe 1868 svcupdater.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
CBC2.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion CBC2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion CBC2.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
CA0B.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation CA0B.exe -
Loads dropped DLL 2 IoCs
Processes:
CBC2.exepid process 4808 CBC2.exe 4808 CBC2.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:
CBC2.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA CBC2.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
CBC2.exepid process 4808 CBC2.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 3920 4596 WerFault.exe CA0B.exe 4612 4808 WerFault.exe CBC2.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:
CBC2.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 CBC2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString CBC2.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 4664 file.exe 4664 file.exe 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 684 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
file.exepid process 4664 file.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
description pid process Token: SeShutdownPrivilege 684 Token: SeCreatePagefilePrivilege 684 Token: SeShutdownPrivilege 684 Token: SeCreatePagefilePrivilege 684 Token: SeShutdownPrivilege 684 Token: SeCreatePagefilePrivilege 684 Token: SeShutdownPrivilege 684 Token: SeCreatePagefilePrivilege 684 Token: SeShutdownPrivilege 684 Token: SeCreatePagefilePrivilege 684 -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
CA0B.exedescription pid process target process PID 684 wrote to memory of 4596 684 CA0B.exe PID 684 wrote to memory of 4596 684 CA0B.exe PID 684 wrote to memory of 4596 684 CA0B.exe PID 684 wrote to memory of 4808 684 CBC2.exe PID 684 wrote to memory of 4808 684 CBC2.exe PID 684 wrote to memory of 4808 684 CBC2.exe PID 4596 wrote to memory of 4356 4596 CA0B.exe schtasks.exe PID 4596 wrote to memory of 4356 4596 CA0B.exe schtasks.exe PID 4596 wrote to memory of 4356 4596 CA0B.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\CA0B.exeC:\Users\Admin\AppData\Local\Temp\CA0B.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 4596 -s 10322⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\CBC2.exeC:\Users\Admin\AppData\Local\Temp\CBC2.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 4808 -s 18562⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4596 -ip 45961⤵
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeC:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4808 -ip 48081⤵
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\CA0B.exeFilesize
408KB
MD5261b1db94ccf4266128e2eb71a80fda4
SHA19d4cd03297f31eabe957f261dc7c3c6c268bd39f
SHA256b0072463e78182e8d9721f91f889a62d9ce59a348fddc5196b6201a5fa68b259
SHA5122dd25970561cf9e3d946acd891b601e6aa7e6563dde6c10ed5ac1a6486bbc1851cf3908b5bdee6c9b29633e51c90339209c50d97c0ea28b897bd6e7117b1ac7b
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C:\Users\Admin\AppData\Local\Temp\CA0B.exeFilesize
408KB
MD5261b1db94ccf4266128e2eb71a80fda4
SHA19d4cd03297f31eabe957f261dc7c3c6c268bd39f
SHA256b0072463e78182e8d9721f91f889a62d9ce59a348fddc5196b6201a5fa68b259
SHA5122dd25970561cf9e3d946acd891b601e6aa7e6563dde6c10ed5ac1a6486bbc1851cf3908b5bdee6c9b29633e51c90339209c50d97c0ea28b897bd6e7117b1ac7b
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C:\Users\Admin\AppData\Local\Temp\CBC2.exeFilesize
1.6MB
MD59a7432c6e41b43262f87e70b15bfd706
SHA13f8664fcea0a2857d9b98e14dfef588b0d8a6a78
SHA25666a4157601cecc7190f76be440e5684ed02bfbb62fd4fb3f6053ca60fdc1b0c5
SHA512e4b496383837ae37629b4ef7b277f3e98af6b93826c7949b2ae92c856953e53102d661de9f22b012f8f80ae853d6712c63d779f12e5eeb29a85001018b884018
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C:\Users\Admin\AppData\Local\Temp\CBC2.exeFilesize
1.6MB
MD59a7432c6e41b43262f87e70b15bfd706
SHA13f8664fcea0a2857d9b98e14dfef588b0d8a6a78
SHA25666a4157601cecc7190f76be440e5684ed02bfbb62fd4fb3f6053ca60fdc1b0c5
SHA512e4b496383837ae37629b4ef7b277f3e98af6b93826c7949b2ae92c856953e53102d661de9f22b012f8f80ae853d6712c63d779f12e5eeb29a85001018b884018
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeFilesize
805.4MB
MD523a859bdaf885334249caa00751ec3c2
SHA1d1056b0e6b78972914cbf5f3b86bbcadee27aec0
SHA256f627661f4177f2b02037307d7f380aa73fc7ae96fa32e69b8fbadefb7007f0d5
SHA512e8a2d194b0420da4d3334b9d0e05f21e515d7dd8cd35208d57550c5996316767c748113a50b3c201c5eb1266071d2565c1c18a818cbf029ddd4efce9cfb81985
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeFilesize
805.4MB
MD523a859bdaf885334249caa00751ec3c2
SHA1d1056b0e6b78972914cbf5f3b86bbcadee27aec0
SHA256f627661f4177f2b02037307d7f380aa73fc7ae96fa32e69b8fbadefb7007f0d5
SHA512e8a2d194b0420da4d3334b9d0e05f21e515d7dd8cd35208d57550c5996316767c748113a50b3c201c5eb1266071d2565c1c18a818cbf029ddd4efce9cfb81985
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memory/1868-187-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/1868-186-0x000000000063C000-0x0000000000666000-memory.dmpFilesize
168KB
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memory/1868-190-0x000000000063C000-0x0000000000666000-memory.dmpFilesize
168KB
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memory/4356-157-0x0000000000000000-mapping.dmp
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memory/4596-158-0x000000000057D000-0x00000000005A7000-memory.dmpFilesize
168KB
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memory/4596-154-0x000000000057D000-0x00000000005A7000-memory.dmpFilesize
168KB
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memory/4596-136-0x0000000000000000-mapping.dmp
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memory/4596-159-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/4596-156-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/4596-155-0x00000000020D0000-0x0000000002117000-memory.dmpFilesize
284KB
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memory/4664-134-0x0000000000400000-0x0000000002B96000-memory.dmpFilesize
39.6MB
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memory/4664-133-0x0000000002E30000-0x0000000002E39000-memory.dmpFilesize
36KB
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memory/4664-135-0x0000000000400000-0x0000000002B96000-memory.dmpFilesize
39.6MB
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memory/4664-132-0x0000000002E5D000-0x0000000002E70000-memory.dmpFilesize
76KB
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memory/4808-142-0x0000000000A60000-0x0000000000EE9000-memory.dmpFilesize
4.5MB
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memory/4808-153-0x0000000000A60000-0x0000000000EE9000-memory.dmpFilesize
4.5MB
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memory/4808-152-0x0000000077E30000-0x0000000077FD3000-memory.dmpFilesize
1.6MB
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memory/4808-151-0x0000000000A60000-0x0000000000EE9000-memory.dmpFilesize
4.5MB
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memory/4808-150-0x0000000000A60000-0x0000000000EE9000-memory.dmpFilesize
4.5MB
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memory/4808-149-0x0000000000A60000-0x0000000000EE9000-memory.dmpFilesize
4.5MB
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memory/4808-160-0x0000000000A60000-0x0000000000EE9000-memory.dmpFilesize
4.5MB
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memory/4808-161-0x0000000060900000-0x0000000060992000-memory.dmpFilesize
584KB
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memory/4808-148-0x0000000000A60000-0x0000000000EE9000-memory.dmpFilesize
4.5MB
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memory/4808-147-0x0000000000A60000-0x0000000000EE9000-memory.dmpFilesize
4.5MB
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memory/4808-146-0x0000000000A60000-0x0000000000EE9000-memory.dmpFilesize
4.5MB
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memory/4808-144-0x0000000000A60000-0x0000000000EE9000-memory.dmpFilesize
4.5MB
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memory/4808-184-0x0000000077E30000-0x0000000077FD3000-memory.dmpFilesize
1.6MB
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memory/4808-145-0x0000000000A60000-0x0000000000EE9000-memory.dmpFilesize
4.5MB
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memory/4808-185-0x0000000000A60000-0x0000000000EE9000-memory.dmpFilesize
4.5MB
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memory/4808-143-0x0000000000A60000-0x0000000000EE9000-memory.dmpFilesize
4.5MB
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memory/4808-188-0x0000000077E30000-0x0000000077FD3000-memory.dmpFilesize
1.6MB
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memory/4808-189-0x0000000000A60000-0x0000000000EE9000-memory.dmpFilesize
4.5MB
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memory/4808-139-0x0000000000000000-mapping.dmp