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Analysis
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max time kernel
120s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 06:49
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2c36e0c04e62c8fb4abc889efd743c02.exe
Resource
win7-20231129-en
windows7-x64
25 signatures
150 seconds
Behavioral task
behavioral2
Sample
2c36e0c04e62c8fb4abc889efd743c02.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
25 signatures
150 seconds
General
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Target
2c36e0c04e62c8fb4abc889efd743c02.exe
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Size
512KB
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MD5
2c36e0c04e62c8fb4abc889efd743c02
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SHA1
d1c320844326e786b1da04c977b233341be1da6b
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SHA256
3718c09380d531cabdfad67dc6a1c71c2b0b6135dd42a7c0e924dd70b273168d
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SHA512
7ed944fc3da73dd3991f3820e26b9373c40def31db647faaf3d9631fc55c916e62c15463606a44904ff2a5a78aa656b0c69e5744d7d31d42572c46cd94d2866b
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SSDEEP
6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6W:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm57
Score
10/10
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" fktkwnpvbe.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fktkwnpvbe.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" fktkwnpvbe.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" fktkwnpvbe.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" fktkwnpvbe.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" fktkwnpvbe.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" fktkwnpvbe.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" fktkwnpvbe.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation 2c36e0c04e62c8fb4abc889efd743c02.exe -
Executes dropped EXE 5 IoCs
pid Process 324 fktkwnpvbe.exe 6140 ujhzoszpgwqbkjv.exe 2552 xczkahdn.exe 3156 rylsciebbwxzn.exe 3300 xczkahdn.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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" fktkwnpvbe.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" fktkwnpvbe.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" fktkwnpvbe.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirstRunDisabled = "1" fktkwnpvbe.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" fktkwnpvbe.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" fktkwnpvbe.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\pdvtygda = "fktkwnpvbe.exe" ujhzoszpgwqbkjv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ufypsqho = "ujhzoszpgwqbkjv.exe" ujhzoszpgwqbkjv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "rylsciebbwxzn.exe" ujhzoszpgwqbkjv.exe -
Enumerates connected drives 3 TTPs 64 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\p: xczkahdn.exe File opened (read-only) \??\i: xczkahdn.exe File opened (read-only) \??\r: xczkahdn.exe File opened (read-only) \??\o: fktkwnpvbe.exe File opened (read-only) \??\g: xczkahdn.exe File opened (read-only) \??\s: xczkahdn.exe File opened (read-only) \??\w: xczkahdn.exe File opened (read-only) \??\g: fktkwnpvbe.exe File opened (read-only) \??\m: xczkahdn.exe File opened (read-only) \??\w: xczkahdn.exe File opened (read-only) \??\e: xczkahdn.exe File opened (read-only) \??\v: xczkahdn.exe File opened (read-only) \??\l: fktkwnpvbe.exe File opened (read-only) \??\s: fktkwnpvbe.exe File opened (read-only) \??\v: xczkahdn.exe File opened (read-only) \??\h: xczkahdn.exe File opened (read-only) \??\l: xczkahdn.exe File opened (read-only) \??\x: fktkwnpvbe.exe File opened (read-only) \??\k: xczkahdn.exe File opened (read-only) \??\t: xczkahdn.exe File opened (read-only) \??\n: fktkwnpvbe.exe File opened (read-only) \??\t: fktkwnpvbe.exe File opened (read-only) \??\z: fktkwnpvbe.exe File opened (read-only) \??\k: xczkahdn.exe File opened (read-only) \??\v: fktkwnpvbe.exe File opened (read-only) \??\x: xczkahdn.exe File opened (read-only) \??\y: fktkwnpvbe.exe File opened (read-only) \??\t: xczkahdn.exe File opened (read-only) \??\y: xczkahdn.exe File opened (read-only) \??\z: xczkahdn.exe File opened (read-only) \??\a: xczkahdn.exe File opened (read-only) \??\x: xczkahdn.exe File opened (read-only) \??\k: fktkwnpvbe.exe File opened (read-only) \??\u: xczkahdn.exe File opened (read-only) \??\m: xczkahdn.exe File opened (read-only) \??\u: xczkahdn.exe File opened (read-only) \??\a: xczkahdn.exe File opened (read-only) \??\j: xczkahdn.exe File opened (read-only) \??\l: xczkahdn.exe File opened (read-only) \??\n: xczkahdn.exe File opened (read-only) \??\a: fktkwnpvbe.exe File opened (read-only) \??\b: fktkwnpvbe.exe File opened (read-only) \??\h: fktkwnpvbe.exe File opened (read-only) \??\i: fktkwnpvbe.exe File opened (read-only) \??\j: fktkwnpvbe.exe File opened (read-only) \??\b: xczkahdn.exe File opened (read-only) \??\g: xczkahdn.exe File opened (read-only) \??\q: xczkahdn.exe File opened (read-only) \??\r: xczkahdn.exe File opened (read-only) \??\s: xczkahdn.exe File opened (read-only) \??\b: xczkahdn.exe File opened (read-only) \??\j: xczkahdn.exe File opened (read-only) \??\o: xczkahdn.exe File opened (read-only) \??\y: xczkahdn.exe File opened (read-only) \??\q: xczkahdn.exe File opened (read-only) \??\z: xczkahdn.exe File opened (read-only) \??\m: fktkwnpvbe.exe File opened (read-only) \??\w: fktkwnpvbe.exe File opened (read-only) \??\h: xczkahdn.exe File opened (read-only) \??\n: xczkahdn.exe File opened (read-only) \??\p: xczkahdn.exe File opened (read-only) \??\q: fktkwnpvbe.exe File opened (read-only) \??\e: xczkahdn.exe File opened (read-only) \??\e: fktkwnpvbe.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCScan = "0" fktkwnpvbe.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4294967197" fktkwnpvbe.exe -
AutoIT Executable 5 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/3180-0-0x0000000000400000-0x0000000000496000-memory.dmp autoit_exe behavioral2/files/0x00080000000231fe-5.dat autoit_exe behavioral2/files/0x0006000000023204-32.dat autoit_exe behavioral2/files/0x0006000000023203-27.dat autoit_exe behavioral2/files/0x000c000000023151-19.dat autoit_exe -
Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\ujhzoszpgwqbkjv.exe 2c36e0c04e62c8fb4abc889efd743c02.exe File created C:\Windows\SysWOW64\rylsciebbwxzn.exe 2c36e0c04e62c8fb4abc889efd743c02.exe File opened for modification \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe xczkahdn.exe File opened for modification C:\Windows\SysWOW64\ujhzoszpgwqbkjv.exe 2c36e0c04e62c8fb4abc889efd743c02.exe File created \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe xczkahdn.exe File created \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe xczkahdn.exe File created C:\Windows\SysWOW64\fktkwnpvbe.exe 2c36e0c04e62c8fb4abc889efd743c02.exe File opened for modification C:\Windows\SysWOW64\rylsciebbwxzn.exe 2c36e0c04e62c8fb4abc889efd743c02.exe File opened for modification \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe xczkahdn.exe File opened for modification C:\Windows\SysWOW64\fktkwnpvbe.exe 2c36e0c04e62c8fb4abc889efd743c02.exe File created C:\Windows\SysWOW64\xczkahdn.exe 2c36e0c04e62c8fb4abc889efd743c02.exe File opened for modification C:\Windows\SysWOW64\xczkahdn.exe 2c36e0c04e62c8fb4abc889efd743c02.exe File opened for modification C:\Windows\SysWOW64\msvbvm60.dll fktkwnpvbe.exe -
Drops file in Program Files directory 15 IoCs
description ioc Process File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe xczkahdn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal xczkahdn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal xczkahdn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe xczkahdn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal xczkahdn.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe xczkahdn.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe xczkahdn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe xczkahdn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe xczkahdn.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe xczkahdn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe xczkahdn.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe xczkahdn.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe xczkahdn.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe xczkahdn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal xczkahdn.exe -
Drops file in Windows directory 19 IoCs
description ioc Process File opened for modification C:\Windows\mydoc.rtf WINWORD.EXE File created \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.1_none_c3bc3dbd94da3c61\MsoIrmProtector.doc.exe xczkahdn.exe File opened for modification \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.1_none_c3bc3dbd94da3c61\MsoIrmProtector.doc.exe xczkahdn.exe File created \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_ebc47b06544bfaab\MsoIrmProtector.doc.exe xczkahdn.exe File opened for modification \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_ebc47b06544bfaab\MsoIrmProtector.doc.exe xczkahdn.exe File opened for modification \??\c:\Windows\WinSxS\wow64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_f619255888acbca6\MsoIrmProtector.doc.exe xczkahdn.exe File opened for modification \??\c:\Windows\WinSxS\wow64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_f619255888acbca6\MsoIrmProtector.doc.exe xczkahdn.exe File opened for modification \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.1_none_c3bc3dbd94da3c61\MsoIrmProtector.doc.exe xczkahdn.exe File opened for modification \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_ebc47b06544bfaab\MsoIrmProtector.doc.exe xczkahdn.exe File opened for modification \??\c:\Windows\WinSxS\wow64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.1_none_ce10e80fc93afe5c\MsoIrmProtector.doc.exe xczkahdn.exe File created \??\c:\Windows\WinSxS\wow64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_f619255888acbca6\MsoIrmProtector.doc.exe xczkahdn.exe File opened for modification C:\Windows\mydoc.rtf 2c36e0c04e62c8fb4abc889efd743c02.exe File created C:\Windows\~$mydoc.rtf WINWORD.EXE File created \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.1_none_c3bc3dbd94da3c61\MsoIrmProtector.doc.exe xczkahdn.exe File created \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_ebc47b06544bfaab\MsoIrmProtector.doc.exe xczkahdn.exe File created \??\c:\Windows\WinSxS\wow64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.1_none_ce10e80fc93afe5c\MsoIrmProtector.doc.exe xczkahdn.exe File created \??\c:\Windows\WinSxS\wow64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.1_none_ce10e80fc93afe5c\MsoIrmProtector.doc.exe xczkahdn.exe File opened for modification \??\c:\Windows\WinSxS\wow64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.1_none_ce10e80fc93afe5c\MsoIrmProtector.doc.exe xczkahdn.exe File created \??\c:\Windows\WinSxS\wow64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_f619255888acbca6\MsoIrmProtector.doc.exe xczkahdn.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Modifies registry class 20 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7F88FC8E482C82129142D72E7D90BDEFE1305840664F6234D79A" 2c36e0c04e62c8fb4abc889efd743c02.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.bat fktkwnpvbe.exe Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000_Classes\Local Settings 2c36e0c04e62c8fb4abc889efd743c02.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "33452C0A9D2D83546D4476A577262DD87DF564DC" 2c36e0c04e62c8fb4abc889efd743c02.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6BCFFABEF965F293837F3A4281EA3E91B08803884269033BE1C542EA09D3" 2c36e0c04e62c8fb4abc889efd743c02.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2EC3B12944E439E953CFBAA132EAD7C8" 2c36e0c04e62c8fb4abc889efd743c02.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.bat\ = "txtfile" fktkwnpvbe.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsf fktkwnpvbe.exe Key created \REGISTRY\MACHINE\Software\Classes\CLV.Classes 2c36e0c04e62c8fb4abc889efd743c02.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSH\ = "txtfile" fktkwnpvbe.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc\ = "txtfile" fktkwnpvbe.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs fktkwnpvbe.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.reg\ = "txtfile" fktkwnpvbe.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs\ = "txtfile" fktkwnpvbe.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.reg fktkwnpvbe.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E0F16BB1FF1D22DCD179D0A98A7D916B" 2c36e0c04e62c8fb4abc889efd743c02.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "1945C60C1490DBC2B9BE7FE5ED9634C6" 2c36e0c04e62c8fb4abc889efd743c02.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsh fktkwnpvbe.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc fktkwnpvbe.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSF\ = "txtfile" fktkwnpvbe.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 5616 WINWORD.EXE 5616 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 6140 ujhzoszpgwqbkjv.exe 6140 ujhzoszpgwqbkjv.exe 6140 ujhzoszpgwqbkjv.exe 6140 ujhzoszpgwqbkjv.exe 324 fktkwnpvbe.exe 6140 ujhzoszpgwqbkjv.exe 6140 ujhzoszpgwqbkjv.exe 6140 ujhzoszpgwqbkjv.exe 6140 ujhzoszpgwqbkjv.exe 2552 xczkahdn.exe 2552 xczkahdn.exe 2552 xczkahdn.exe 2552 xczkahdn.exe 2552 xczkahdn.exe 2552 xczkahdn.exe 2552 xczkahdn.exe 2552 xczkahdn.exe 324 fktkwnpvbe.exe 324 fktkwnpvbe.exe 324 fktkwnpvbe.exe 324 fktkwnpvbe.exe 324 fktkwnpvbe.exe 324 fktkwnpvbe.exe 324 fktkwnpvbe.exe 324 fktkwnpvbe.exe 324 fktkwnpvbe.exe 6140 ujhzoszpgwqbkjv.exe 6140 ujhzoszpgwqbkjv.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 6140 ujhzoszpgwqbkjv.exe 6140 ujhzoszpgwqbkjv.exe 3300 xczkahdn.exe 3300 xczkahdn.exe 3300 xczkahdn.exe 3300 xczkahdn.exe 3300 xczkahdn.exe 3300 xczkahdn.exe -
Suspicious use of FindShellTrayWindow 18 IoCs
pid Process 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 324 fktkwnpvbe.exe 324 fktkwnpvbe.exe 324 fktkwnpvbe.exe 6140 ujhzoszpgwqbkjv.exe 6140 ujhzoszpgwqbkjv.exe 6140 ujhzoszpgwqbkjv.exe 2552 xczkahdn.exe 2552 xczkahdn.exe 2552 xczkahdn.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 3300 xczkahdn.exe 3300 xczkahdn.exe 3300 xczkahdn.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 324 fktkwnpvbe.exe 324 fktkwnpvbe.exe 324 fktkwnpvbe.exe 6140 ujhzoszpgwqbkjv.exe 6140 ujhzoszpgwqbkjv.exe 6140 ujhzoszpgwqbkjv.exe 2552 xczkahdn.exe 2552 xczkahdn.exe 2552 xczkahdn.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 3156 rylsciebbwxzn.exe 3300 xczkahdn.exe 3300 xczkahdn.exe 3300 xczkahdn.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 5616 WINWORD.EXE 5616 WINWORD.EXE 5616 WINWORD.EXE 5616 WINWORD.EXE 5616 WINWORD.EXE 5616 WINWORD.EXE 5616 WINWORD.EXE -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3180 wrote to memory of 324 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 98 PID 3180 wrote to memory of 324 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 98 PID 3180 wrote to memory of 324 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 98 PID 3180 wrote to memory of 6140 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 97 PID 3180 wrote to memory of 6140 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 97 PID 3180 wrote to memory of 6140 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 97 PID 3180 wrote to memory of 2552 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 88 PID 3180 wrote to memory of 2552 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 88 PID 3180 wrote to memory of 2552 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 88 PID 3180 wrote to memory of 3156 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 95 PID 3180 wrote to memory of 3156 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 95 PID 3180 wrote to memory of 3156 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 95 PID 3180 wrote to memory of 5616 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 91 PID 3180 wrote to memory of 5616 3180 2c36e0c04e62c8fb4abc889efd743c02.exe 91 PID 324 wrote to memory of 3300 324 fktkwnpvbe.exe 92 PID 324 wrote to memory of 3300 324 fktkwnpvbe.exe 92 PID 324 wrote to memory of 3300 324 fktkwnpvbe.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\2c36e0c04e62c8fb4abc889efd743c02.exe"C:\Users\Admin\AppData\Local\Temp\2c36e0c04e62c8fb4abc889efd743c02.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3180 -
C:\Windows\SysWOW64\xczkahdn.exexczkahdn.exe2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2552
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""2⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5616
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C:\Windows\SysWOW64\rylsciebbwxzn.exerylsciebbwxzn.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3156
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C:\Windows\SysWOW64\ujhzoszpgwqbkjv.exeujhzoszpgwqbkjv.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:6140
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C:\Windows\SysWOW64\fktkwnpvbe.exefktkwnpvbe.exe2⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Enumerates connected drives
- Modifies WinLogon
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:324
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C:\Windows\SysWOW64\xczkahdn.exeC:\Windows\system32\xczkahdn.exe1⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3300
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
2Disable or Modify Tools
2Modify Registry
6Replay Monitor
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Downloads
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Filesize
512KB
MD546c97cef30e445c59ac78e8370b609b7
SHA1df0b71ae41987039832567a408f49e150f6dd5ad
SHA256f6a2a55850020037493bc6ab91bb7b8ee5afb6ecd665d1814811ec64d5f560ee
SHA51221c1ae1d13dd75dfa56337488b9123ca5b2dd2c700c22c204ac4a6bf33814c60490389572f78d2a27b9ead583f6c29d4318d0f44bef32a209fb50bfee2f30dca
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Filesize
512KB
MD5b2ad98a4e33b6051bd2b93042708b2f0
SHA1033061123b618f6b68ad095af65145cc555f1798
SHA256f9972d36a1abf5cd2b88aed6a18ac0f452974fb1698b28ada024fc0ad364d11b
SHA5121dd8cddb22d6c7bb959d2752555d4a4097fc9bb3ac4f9afa46411c6dfd363f652f829b441708f1454f5519c51730a5c07bf8d848607a039d89479fbadfa857fc
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Filesize
512KB
MD5807a9dd96e14dd0f364d510e869006a5
SHA1b8d9735b7bd56711a84faa481f995646fede4c16
SHA2562fbd55366d6875165987788a206b26b6c6cce3b1436b2eda832058e51d11b8d9
SHA5120471fa088463a5fe1bba777eaf67cc872bc35f9555176b58f264e649534e2caf7e9d8c794b2f3730a59337707a5931c18a26228875ec161d222b8ce0d78ddd9c
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Filesize
512KB
MD56314aced9b945bfc1071656069b00a9a
SHA14a71fe4c51c0c47fde2005dd8ddb5a66183f8637
SHA2566bec07a287a050632a01bcb7c9aed236889a02e990165b6f4a9830dd961dd150
SHA512da01bbf98c0dca986183561b57138582329f5dc6ee405212c41933621bb869ee34ca5751b3911304b9032b6260689fd8ced7091f20fe8203bad0badfc1eda432