Analysis
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max time kernel
150s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
24-01-2023 15:25
Static task
static1
General
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Target
52d2e4bae2325447679354f2e85e91458ef7c3dfeb2d88c20e461d4b0f7d49bb.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 behavioral1/memory/4400-133-0x0000000002D30000-0x0000000002D39000-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:
B972.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ B972.exe -
Executes dropped EXE 3 IoCs
Processes:
B81A.exeB972.exesvcupdater.exepid process 1524 B81A.exe 3896 B972.exe 3424 svcupdater.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
B972.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion B972.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion B972.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
B81A.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation B81A.exe -
Loads dropped DLL 2 IoCs
Processes:
B972.exepid process 3896 B972.exe 3896 B972.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:
B972.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA B972.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
B972.exepid process 3896 B972.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 2692 1524 WerFault.exe B81A.exe 3392 3896 WerFault.exe B972.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
52d2e4bae2325447679354f2e85e91458ef7c3dfeb2d88c20e461d4b0f7d49bb.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 52d2e4bae2325447679354f2e85e91458ef7c3dfeb2d88c20e461d4b0f7d49bb.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 52d2e4bae2325447679354f2e85e91458ef7c3dfeb2d88c20e461d4b0f7d49bb.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 52d2e4bae2325447679354f2e85e91458ef7c3dfeb2d88c20e461d4b0f7d49bb.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
B972.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 B972.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString B972.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:
52d2e4bae2325447679354f2e85e91458ef7c3dfeb2d88c20e461d4b0f7d49bb.exepid process 4400 52d2e4bae2325447679354f2e85e91458ef7c3dfeb2d88c20e461d4b0f7d49bb.exe 4400 52d2e4bae2325447679354f2e85e91458ef7c3dfeb2d88c20e461d4b0f7d49bb.exe 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 2584 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 2584 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
52d2e4bae2325447679354f2e85e91458ef7c3dfeb2d88c20e461d4b0f7d49bb.exepid process 4400 52d2e4bae2325447679354f2e85e91458ef7c3dfeb2d88c20e461d4b0f7d49bb.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
description pid process Token: SeShutdownPrivilege 2584 Token: SeCreatePagefilePrivilege 2584 Token: SeShutdownPrivilege 2584 Token: SeCreatePagefilePrivilege 2584 Token: SeShutdownPrivilege 2584 Token: SeCreatePagefilePrivilege 2584 Token: SeShutdownPrivilege 2584 Token: SeCreatePagefilePrivilege 2584 Token: SeShutdownPrivilege 2584 Token: SeCreatePagefilePrivilege 2584 -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
B81A.exedescription pid process target process PID 2584 wrote to memory of 1524 2584 B81A.exe PID 2584 wrote to memory of 1524 2584 B81A.exe PID 2584 wrote to memory of 1524 2584 B81A.exe PID 2584 wrote to memory of 3896 2584 B972.exe PID 2584 wrote to memory of 3896 2584 B972.exe PID 2584 wrote to memory of 3896 2584 B972.exe PID 1524 wrote to memory of 2280 1524 B81A.exe schtasks.exe PID 1524 wrote to memory of 2280 1524 B81A.exe schtasks.exe PID 1524 wrote to memory of 2280 1524 B81A.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\52d2e4bae2325447679354f2e85e91458ef7c3dfeb2d88c20e461d4b0f7d49bb.exe"C:\Users\Admin\AppData\Local\Temp\52d2e4bae2325447679354f2e85e91458ef7c3dfeb2d88c20e461d4b0f7d49bb.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\B81A.exeC:\Users\Admin\AppData\Local\Temp\B81A.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 1524 -s 10282⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\B972.exeC:\Users\Admin\AppData\Local\Temp\B972.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 19122⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1524 -ip 15241⤵
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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 3896 -ip 38961⤵
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\B81A.exeFilesize
408KB
MD5261b1db94ccf4266128e2eb71a80fda4
SHA19d4cd03297f31eabe957f261dc7c3c6c268bd39f
SHA256b0072463e78182e8d9721f91f889a62d9ce59a348fddc5196b6201a5fa68b259
SHA5122dd25970561cf9e3d946acd891b601e6aa7e6563dde6c10ed5ac1a6486bbc1851cf3908b5bdee6c9b29633e51c90339209c50d97c0ea28b897bd6e7117b1ac7b
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C:\Users\Admin\AppData\Local\Temp\B81A.exeFilesize
408KB
MD5261b1db94ccf4266128e2eb71a80fda4
SHA19d4cd03297f31eabe957f261dc7c3c6c268bd39f
SHA256b0072463e78182e8d9721f91f889a62d9ce59a348fddc5196b6201a5fa68b259
SHA5122dd25970561cf9e3d946acd891b601e6aa7e6563dde6c10ed5ac1a6486bbc1851cf3908b5bdee6c9b29633e51c90339209c50d97c0ea28b897bd6e7117b1ac7b
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C:\Users\Admin\AppData\Local\Temp\B972.exeFilesize
1.6MB
MD59a7432c6e41b43262f87e70b15bfd706
SHA13f8664fcea0a2857d9b98e14dfef588b0d8a6a78
SHA25666a4157601cecc7190f76be440e5684ed02bfbb62fd4fb3f6053ca60fdc1b0c5
SHA512e4b496383837ae37629b4ef7b277f3e98af6b93826c7949b2ae92c856953e53102d661de9f22b012f8f80ae853d6712c63d779f12e5eeb29a85001018b884018
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C:\Users\Admin\AppData\Local\Temp\B972.exeFilesize
1.6MB
MD59a7432c6e41b43262f87e70b15bfd706
SHA13f8664fcea0a2857d9b98e14dfef588b0d8a6a78
SHA25666a4157601cecc7190f76be440e5684ed02bfbb62fd4fb3f6053ca60fdc1b0c5
SHA512e4b496383837ae37629b4ef7b277f3e98af6b93826c7949b2ae92c856953e53102d661de9f22b012f8f80ae853d6712c63d779f12e5eeb29a85001018b884018
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeFilesize
838.4MB
MD59b26f222c5942212c5810106ba35a543
SHA1b122f6e601027a36baf5090fafe1b6d5bd3a0f55
SHA256aa76e849e3dfa38f869071bb6e559f65851cef8756a5605214d5e87cff0a3cc0
SHA51239f3258000acb8de8f4646733e080d9e50a07c83ea7f311b8d60f578fef5cc6cd410b25051523921666ccbacd65b683201bebb8c694f526953c772182bd074b8
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeFilesize
838.4MB
MD59b26f222c5942212c5810106ba35a543
SHA1b122f6e601027a36baf5090fafe1b6d5bd3a0f55
SHA256aa76e849e3dfa38f869071bb6e559f65851cef8756a5605214d5e87cff0a3cc0
SHA51239f3258000acb8de8f4646733e080d9e50a07c83ea7f311b8d60f578fef5cc6cd410b25051523921666ccbacd65b683201bebb8c694f526953c772182bd074b8
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memory/1524-136-0x0000000000000000-mapping.dmp
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memory/1524-154-0x00000000005ED000-0x0000000000617000-memory.dmpFilesize
168KB
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memory/1524-180-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/1524-179-0x00000000005ED000-0x0000000000617000-memory.dmpFilesize
168KB
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memory/1524-156-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/1524-155-0x0000000002070000-0x00000000020B7000-memory.dmpFilesize
284KB
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memory/2280-157-0x0000000000000000-mapping.dmp
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memory/3424-186-0x000000000069C000-0x00000000006C6000-memory.dmpFilesize
168KB
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memory/3424-187-0x0000000000400000-0x000000000046D000-memory.dmpFilesize
436KB
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memory/3424-190-0x000000000069C000-0x00000000006C6000-memory.dmpFilesize
168KB
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memory/3896-142-0x00000000000F0000-0x0000000000579000-memory.dmpFilesize
4.5MB
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memory/3896-145-0x00000000000F0000-0x0000000000579000-memory.dmpFilesize
4.5MB
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memory/3896-152-0x00000000000F0000-0x0000000000579000-memory.dmpFilesize
4.5MB
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memory/3896-153-0x00000000000F0000-0x0000000000579000-memory.dmpFilesize
4.5MB
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memory/3896-150-0x00000000000F0000-0x0000000000579000-memory.dmpFilesize
4.5MB
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memory/3896-147-0x00000000771A0000-0x0000000077343000-memory.dmpFilesize
1.6MB
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memory/3896-149-0x00000000000F0000-0x0000000000579000-memory.dmpFilesize
4.5MB
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memory/3896-148-0x00000000000F0000-0x0000000000579000-memory.dmpFilesize
4.5MB
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memory/3896-158-0x0000000060900000-0x0000000060992000-memory.dmpFilesize
584KB
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memory/3896-144-0x00000000000F0000-0x0000000000579000-memory.dmpFilesize
4.5MB
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memory/3896-146-0x00000000000F0000-0x0000000000579000-memory.dmpFilesize
4.5MB
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memory/3896-151-0x00000000000F0000-0x0000000000579000-memory.dmpFilesize
4.5MB
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memory/3896-143-0x00000000000F0000-0x0000000000579000-memory.dmpFilesize
4.5MB
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memory/3896-181-0x00000000000F0000-0x0000000000579000-memory.dmpFilesize
4.5MB
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memory/3896-182-0x00000000771A0000-0x0000000077343000-memory.dmpFilesize
1.6MB
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memory/3896-183-0x00000000000F0000-0x0000000000579000-memory.dmpFilesize
4.5MB
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memory/3896-189-0x00000000771A0000-0x0000000077343000-memory.dmpFilesize
1.6MB
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memory/3896-139-0x0000000000000000-mapping.dmp
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memory/3896-188-0x00000000000F0000-0x0000000000579000-memory.dmpFilesize
4.5MB
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memory/4400-134-0x0000000000400000-0x0000000002B96000-memory.dmpFilesize
39.6MB
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memory/4400-135-0x0000000000400000-0x0000000002B96000-memory.dmpFilesize
39.6MB
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memory/4400-132-0x0000000002D7D000-0x0000000002D90000-memory.dmpFilesize
76KB
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memory/4400-133-0x0000000002D30000-0x0000000002D39000-memory.dmpFilesize
36KB