Analysis
-
max time kernel
188s -
max time network
192s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
09/03/2023, 22:39
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://www.mediafire.com/file/e6v29yqr3eca6tz/Wurst_1.3.1.zip/file
Resource
win10v2004-20230220-en
windows10-2004-x64
11 signatures
150 seconds
General
-
Target
http://www.mediafire.com/file/e6v29yqr3eca6tz/Wurst_1.3.1.zip/file
Score
1/10
Malware Config
Signatures
-
Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\PhishingFilter iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = d42e80ebae45d901 iexplore.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\International\CpMRU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Toolbar IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{AA893DA4-BED3-11ED-9EF6-5E272E2E2FB8} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\mediafire.com\Total = "124" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\mediafire.com\Total = "769" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "385170159" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31019744" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Enable = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\mediafire.com IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "111" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.mediafire.com\ = "111" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\mediafire.com\Total = "111" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "124" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Size = "10" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\RepId\PublicId = "{44AB541F-F0AE-482B-AEFD-1D5D62B83F0F}" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\DOMStorage\mediafire.com IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\WebBrowser\ITBar7Height = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.mediafire.com IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Factor = "20" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31019744" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2138355629" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.mediafire.com\ = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "51" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\mediafire.com\Total = "51" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\WebBrowser\ITBar7Height = "21" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31019744" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\mediafire.com\NumberOfSubdomains = "1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.mediafire.com\ = "124" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\mediafire.com\Total = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\RepId iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.mediafire.com\ = "51" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2138355629" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "769" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.mediafire.com\ = "769" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2148354319" IEXPLORE.EXE -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings IEXPLORE.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3736 IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 12 IoCs
pid Process 1552 iexplore.exe 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 1552 iexplore.exe 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE -
Suspicious use of SendNotifyMessage 10 IoCs
pid Process 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 61 IoCs
pid Process 1552 iexplore.exe 1552 iexplore.exe 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1552 wrote to memory of 3736 1552 iexplore.exe 86 PID 1552 wrote to memory of 3736 1552 iexplore.exe 86 PID 1552 wrote to memory of 3736 1552 iexplore.exe 86 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
-
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
-
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://www.mediafire.com/file/e6v29yqr3eca6tz/Wurst_1.3.1.zip/file1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1552 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:3736
-
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:3496
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5446c0271ba214d4ec776c6c01d47c048
SHA1d812fbd71a3ae0c74f68f067981ee20e1f169a4c
SHA25686c8f2bb86cca0ea988ace4ac147a58f6e8aa6d30f65dd9d87dea40390c23b01
SHA512c12ae512f3dbb2faac3e2bf354c9145e37d7765c2bed13a55122e7f6a2b590693cda272aa2f0c014f71971e2c2ffb0037faeb528ee08208198b3a1082db560a1
-
Filesize
15KB
MD51a545d0052b581fbb2ab4c52133846bc
SHA162f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA256557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
SHA512bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8OI4IV75\Wurst 1.3.1.zip.mkccmrd.partial
Filesize5.7MB
MD5f03eb4227048475aa3074bc2b8c0d874
SHA1dddf678b0f8e0365749054e96578972ea2e4132e
SHA256c3676a9d638248eee7fa7e42d84c68f04206a2b1e5f38c4552ba9262f4f90198
SHA512650ad827c0e4bc8c0f704319ac0a26b3bd076b4092dce4e2371d9b57bdc98d92ed91f6d7c9dcba90e6d9b7b013e920254eb432445a385bf89e90dc26604b5cc0
-
Filesize
5.7MB
MD5f03eb4227048475aa3074bc2b8c0d874
SHA1dddf678b0f8e0365749054e96578972ea2e4132e
SHA256c3676a9d638248eee7fa7e42d84c68f04206a2b1e5f38c4552ba9262f4f90198
SHA512650ad827c0e4bc8c0f704319ac0a26b3bd076b4092dce4e2371d9b57bdc98d92ed91f6d7c9dcba90e6d9b7b013e920254eb432445a385bf89e90dc26604b5cc0
-
Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee