166865fdb90e7964e7ea57a282343026d878230215e5694145f88a8afb56132f

Analysis

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

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General

Target

Kiray.exe
Size

13KB
MD5

f22ae972aee081ec86faa30e73d9675f
SHA1

a559057e10f7e524688043ca283e2380739d6744
SHA256

166865fdb90e7964e7ea57a282343026d878230215e5694145f88a8afb56132f
SHA512

80c000c1ee73a402d0960ee768272096541786eacda7b938f9791ca3da067f5838c6850c74dff466cccde11851989062328b4a3d87b2eb99a6cac0efcf45f4c1
SSDEEP

384:XTm/Ye8zdTyBsyqAIZhgMFfpX5xqd1SJ5m:XHWsyqAggUnJI

Score

7^/10

persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

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

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

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

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

C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE" -Embedding
1⤵
- 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

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\FORMS\FRMCACHE.DAT

Filesize
240KB

MD5
258c25dd98657134aa6f6e57dd62e54c

SHA1
c82a6eb23bcaffc4c0e626802fa6d496ded2d515

SHA256
a72320ec0ad857d2c9d5a930b0455eace5b9651487b9e8a69b0cad32f7980871

SHA512
10df949327fb6f25dbcdac510f129820a376ac4f2ef039d76f720fae8e3bd94fbba3c4b3c6192622749fb7b946be8737644795526af2a8f604f9fad94bf290d6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\FORMS\FRMCACHE.DAT

Filesize
240KB

MD5
4fafcf66027cd31922f84d574144401b

SHA1
81d043eb176cdd5a1ec95c1fa959edaa74016515

SHA256
5e20c540b196f59c42afc50455fd6b54559833ed7e878afe6f82eb8ccae774f4

SHA512
67329a4a4379fa25aa79dc3b3132e119712e28d2a9d1c3f0c482ba4cecff83b834b12d3c4c73479d3198e8f8d6fce66216532f82fc9443ffb5739282c64ede1d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Outlook\mapisvc.inf

Filesize
1KB

MD5
48dd6cae43ce26b992c35799fcd76898

SHA1
8e600544df0250da7d634599ce6ee50da11c0355

SHA256
7bfe1f3691e2b4fb4d61fbf5e9f7782fbe49da1342dbd32201c2cc8e540dbd1a

SHA512
c1b9322c900f5be0ad166ddcfec9146918fb2589a17607d61490fd816602123f3af310a3e6d98a37d16000d4acbbcd599236f03c3c7f9376aeba7a489b329f31

Download Submit
memory/860-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/860-4-0x0000000073DED000-0x0000000073DF8000-memory.dmp

Filesize
44KB

Download
memory/860-104-0x000000006CDA1000-0x000000006CDA2000-memory.dmp

Filesize
4KB

Download
memory/860-136-0x0000000073DED000-0x0000000073DF8000-memory.dmp

Filesize
44KB

Download
memory/2512-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2512-130-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads