Analysis
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max time kernel
153s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
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submitted
25/10/2022, 10:15
General
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Target
INCOMETAX_CHALLAN_COPY.exe
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Size
1.4MB
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MD5
702bb8f393cc2dba7181b407175c2d20
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SHA1
5ede8da72c0e18a528edc56c5fb254f894a1aec0
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SHA256
5ab0fd363096157c4a3ae912e126b20c7d31d15887b3c0c04a90b6b4d1a2f03b
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SHA512
d951434277bc2e4a761fc8ad504bafeaf8e98921d5dc011ceabe3aa3fc36ce0fd06c75d7f10703483a655c80f3ceead706c65330ca94df92c8051abb1e2143ce
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SSDEEP
24576:1Sy4uqCSN5l3ksJb7tb1Fdv11KfmP/UDMS08Ckn3f:wyMlafmP/SA8NP
Malware Config
Signatures
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Kutaki
Information stealer and keylogger that hides inside legitimate Visual Basic applications.
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Kutaki Executable 4 IoCs
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Executes dropped EXE 1 IoCs
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Drops startup file 2 IoCs
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Loads dropped DLL 2 IoCs
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Modifies Internet Explorer settings 1 TTPs 1 IoCs
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Suspicious use of SetWindowsHookEx 64 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\INCOMETAX_CHALLAN_COPY.exe"C:\Users\Admin\AppData\Local\Temp\INCOMETAX_CHALLAN_COPY.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /c C:\Users\Admin\AppData\Local\Temp\2⤵
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\klswxyfk.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\klswxyfk.exe"2⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.4MB
MD5702bb8f393cc2dba7181b407175c2d20
SHA15ede8da72c0e18a528edc56c5fb254f894a1aec0
SHA2565ab0fd363096157c4a3ae912e126b20c7d31d15887b3c0c04a90b6b4d1a2f03b
SHA512d951434277bc2e4a761fc8ad504bafeaf8e98921d5dc011ceabe3aa3fc36ce0fd06c75d7f10703483a655c80f3ceead706c65330ca94df92c8051abb1e2143ce
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Filesize
1.4MB
MD5702bb8f393cc2dba7181b407175c2d20
SHA15ede8da72c0e18a528edc56c5fb254f894a1aec0
SHA2565ab0fd363096157c4a3ae912e126b20c7d31d15887b3c0c04a90b6b4d1a2f03b
SHA512d951434277bc2e4a761fc8ad504bafeaf8e98921d5dc011ceabe3aa3fc36ce0fd06c75d7f10703483a655c80f3ceead706c65330ca94df92c8051abb1e2143ce
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Filesize
1.4MB
MD5702bb8f393cc2dba7181b407175c2d20
SHA15ede8da72c0e18a528edc56c5fb254f894a1aec0
SHA2565ab0fd363096157c4a3ae912e126b20c7d31d15887b3c0c04a90b6b4d1a2f03b
SHA512d951434277bc2e4a761fc8ad504bafeaf8e98921d5dc011ceabe3aa3fc36ce0fd06c75d7f10703483a655c80f3ceead706c65330ca94df92c8051abb1e2143ce
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Filesize
1.4MB
MD5702bb8f393cc2dba7181b407175c2d20
SHA15ede8da72c0e18a528edc56c5fb254f894a1aec0
SHA2565ab0fd363096157c4a3ae912e126b20c7d31d15887b3c0c04a90b6b4d1a2f03b
SHA512d951434277bc2e4a761fc8ad504bafeaf8e98921d5dc011ceabe3aa3fc36ce0fd06c75d7f10703483a655c80f3ceead706c65330ca94df92c8051abb1e2143ce
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Filesize
14.7MB
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Filesize
8KB