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Analysis
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max time kernel
25s -
max time network
27s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
18/02/2024, 13:19
Static task
static1
Behavioral task
behavioral1
Sample
Kiray.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Kiray.exe
Resource
win10v2004-20231222-en
General
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Target
Kiray.exe
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Size
13KB
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MD5
f22ae972aee081ec86faa30e73d9675f
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SHA1
a559057e10f7e524688043ca283e2380739d6744
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SHA256
166865fdb90e7964e7ea57a282343026d878230215e5694145f88a8afb56132f
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SHA512
80c000c1ee73a402d0960ee768272096541786eacda7b938f9791ca3da067f5838c6850c74dff466cccde11851989062328b4a3d87b2eb99a6cac0efcf45f4c1
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SSDEEP
384:XTm/Ye8zdTyBsyqAIZhgMFfpX5xqd1SJ5m:XHWsyqAggUnJI
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command Kiray.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "c:\\windows\\temp\\Kiray.exe" Kiray.exe -
Drops file in System32 directory 14 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\PerfStringBackup.INI OUTLOOK.EXE File created C:\Windows\system32\perfh00C.dat OUTLOOK.EXE File created C:\Windows\SysWOW64\PerfStringBackup.TMP OUTLOOK.EXE File created C:\Windows\system32\perfh009.dat OUTLOOK.EXE File created C:\Windows\system32\perfh00A.dat OUTLOOK.EXE File created C:\Windows\system32\perfc009.dat OUTLOOK.EXE File created C:\Windows\system32\perfc00A.dat OUTLOOK.EXE File created C:\Windows\system32\perfc010.dat OUTLOOK.EXE File created C:\Windows\system32\perfh011.dat OUTLOOK.EXE File created C:\Windows\system32\perfc007.dat OUTLOOK.EXE File created C:\Windows\system32\perfh007.dat OUTLOOK.EXE File created C:\Windows\system32\perfc00C.dat OUTLOOK.EXE File created C:\Windows\system32\perfh010.dat OUTLOOK.EXE File created C:\Windows\system32\perfc011.dat OUTLOOK.EXE -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\inf\Outlook\outlperf.h OUTLOOK.EXE File opened for modification C:\Windows\inf\Outlook\outlperf.h OUTLOOK.EXE File created C:\Windows\inf\Outlook\0009\outlperf.ini OUTLOOK.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt OUTLOOK.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" OUTLOOK.EXE Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel OUTLOOK.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" OUTLOOK.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" OUTLOOK.EXE -
Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672E5-0000-0000-C000-000000000046}\TypeLib OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672F5-0000-0000-C000-000000000046} OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00067356-0000-0000-C000-000000000046} OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063003-0000-0000-C000-000000000046}\TypeLib\Version = "9.4" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630C7-0000-0000-C000-000000000046}\ = "_Store" OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006303A-0000-0000-C000-000000000046} OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006304E-0000-0000-C000-000000000046}\ = "ApplicationEvents" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006303F-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006300D-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006300D-0000-0000-C000-000000000046}\TypeLib\Version = "9.4" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063093-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630EB-0000-0000-C000-000000000046} OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063059-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672F8-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630FA-0000-0000-C000-000000000046}\TypeLib\Version = "9.4" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630DF-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006304C-0000-0000-C000-000000000046}\TypeLib\Version = "9.4" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063078-0000-0000-C000-000000000046}\TypeLib\Version = "9.4" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063072-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630F7-0000-0000-C000-000000000046} OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50BB9B50-811D-11CE-B565-00AA00608FAA}\ = "_DDocSiteControlEvents" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672E3-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063103-0000-0000-C000-000000000046}\ = "_AccountSelector" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006309D-0000-0000-C000-000000000046}\ = "_ViewFont" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630ED-0000-0000-C000-000000000046}\ = "_JournalModule" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006305A-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}" OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063023-0000-0000-C000-000000000046}\TypeLib OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672F8-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063048-0000-0000-C000-000000000046}\TypeLib\Version = "9.4" OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630B0-0000-0000-C000-000000000046} OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630FC-0000-0000-C000-000000000046} OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006302C-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630B2-0000-0000-C000-000000000046}\ProxyStubClsid32 OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672FB-0000-0000-C000-000000000046} OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630D3-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063085-0000-0000-C000-000000000046}\ = "SyncObjectEvents" OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006304C-0000-0000-C000-000000000046} OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063076-0000-0000-C000-000000000046}\ProxyStubClsid32 OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063071-0000-0000-C000-000000000046}\ = "OutlookBarStorage" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063020-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630A1-0000-0000-C000-000000000046}\ = "_ViewFields" OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063097-0000-0000-C000-000000000046}\ProxyStubClsid32 OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063035-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00067366-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006304A-0000-0000-C000-000000000046}\ = "AddressEntries" OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063003-0000-0000-C000-000000000046}\ProxyStubClsid32 OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630C5-0000-0000-C000-000000000046}\TypeLib OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630C5-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006305C-0000-0000-C000-000000000046}\TypeLib\Version = "9.4" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630CA-0000-0000-C000-000000000046}\TypeLib\ = "{00062FFF-0000-0000-C000-000000000046}" OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063042-0000-0000-C000-000000000046}\ProxyStubClsid32 OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630CE-0000-0000-C000-000000000046}\TypeLib\Version = "9.4" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630D6-0000-0000-C000-000000000046}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630D8-0000-0000-C000-000000000046}\TypeLib\Version = "9.4" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006308C-0000-0000-C000-000000000046}\ = "NameSpaceEvents" OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630F7-0000-0000-C000-000000000046}\ProxyStubClsid32 OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006309B-0000-0000-C000-000000000046}\TypeLib OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00067366-0000-0000-C000-000000000046}\ = "OlkControl" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000672F4-0000-0000-C000-000000000046}\TypeLib\Version = "9.4" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063021-0000-0000-C000-000000000046}\TypeLib\Version = "9.4" OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000630CB-0000-0000-C000-000000000046}\TypeLib\Version = "9.4" OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006305C-0000-0000-C000-000000000046}\TypeLib OUTLOOK.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00063079-0000-0000-C000-000000000046} OUTLOOK.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0006307F-0000-0000-C000-000000000046}\ = "PropertyPageSite" OUTLOOK.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 860 OUTLOOK.EXE -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 860 OUTLOOK.EXE 860 OUTLOOK.EXE 860 OUTLOOK.EXE 860 OUTLOOK.EXE -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 860 OUTLOOK.EXE 860 OUTLOOK.EXE 860 OUTLOOK.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2512 Kiray.exe 860 OUTLOOK.EXE 860 OUTLOOK.EXE 860 OUTLOOK.EXE 860 OUTLOOK.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\Kiray.exe"C:\Users\Admin\AppData\Local\Temp\Kiray.exe"1⤵
- Modifies system executable filetype association
- Suspicious use of SetWindowsHookEx
PID:2512
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C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE"C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE" -Embedding1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:860
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
240KB
MD5258c25dd98657134aa6f6e57dd62e54c
SHA1c82a6eb23bcaffc4c0e626802fa6d496ded2d515
SHA256a72320ec0ad857d2c9d5a930b0455eace5b9651487b9e8a69b0cad32f7980871
SHA51210df949327fb6f25dbcdac510f129820a376ac4f2ef039d76f720fae8e3bd94fbba3c4b3c6192622749fb7b946be8737644795526af2a8f604f9fad94bf290d6
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Filesize
240KB
MD54fafcf66027cd31922f84d574144401b
SHA181d043eb176cdd5a1ec95c1fa959edaa74016515
SHA2565e20c540b196f59c42afc50455fd6b54559833ed7e878afe6f82eb8ccae774f4
SHA51267329a4a4379fa25aa79dc3b3132e119712e28d2a9d1c3f0c482ba4cecff83b834b12d3c4c73479d3198e8f8d6fce66216532f82fc9443ffb5739282c64ede1d
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Filesize
1KB
MD548dd6cae43ce26b992c35799fcd76898
SHA18e600544df0250da7d634599ce6ee50da11c0355
SHA2567bfe1f3691e2b4fb4d61fbf5e9f7782fbe49da1342dbd32201c2cc8e540dbd1a
SHA512c1b9322c900f5be0ad166ddcfec9146918fb2589a17607d61490fd816602123f3af310a3e6d98a37d16000d4acbbcd599236f03c3c7f9376aeba7a489b329f31