Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
23-06-2024 13:18
Behavioral task
behavioral1
Sample
kitty.exe
Resource
win7-20231129-en
General
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Target
kitty.exe
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Size
671KB
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MD5
fa361fd31808cd531b1c534715fa2612
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SHA1
f16c315dba445b58a71bbaa2fa879b05cadb502d
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SHA256
bffc649f9caaeb25d0ee5c19cebc71a5b2494271255a1e143bc0849494ae9cd2
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SHA512
3fdef184f3bacfd405c5e32ab7e8295cbc687124dd9541d8d2c8c5fbfd74412c2f709cd5ab8972fbb39ac6e2158af1984ee374aef5a42165e5e9b254e54961d1
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SSDEEP
12288:HLV6Btpmk7SwAJ8VAMj6if5DwfzcEu54gIdlsI14/uMhrj6zTP3yF2Bdl:rApf7Swy8V6A5DwfzcEu54Vn1S3VsL3R
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
kitty.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Service = "C:\\Program Files (x86)\\TCP Service\\tcpsv.exe" kitty.exe -
Processes:
kitty.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA kitty.exe -
Drops file in Program Files directory 2 IoCs
Processes:
kitty.exedescription ioc process File created C:\Program Files (x86)\TCP Service\tcpsv.exe kitty.exe File opened for modification C:\Program Files (x86)\TCP Service\tcpsv.exe kitty.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 3008 schtasks.exe 2668 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kitty.exepid process 2128 kitty.exe 2128 kitty.exe 2128 kitty.exe 2128 kitty.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
kitty.exepid process 2128 kitty.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
kitty.exedescription pid process Token: SeDebugPrivilege 2128 kitty.exe Token: SeDebugPrivilege 2128 kitty.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
kitty.exedescription pid process target process PID 2128 wrote to memory of 3008 2128 kitty.exe schtasks.exe PID 2128 wrote to memory of 3008 2128 kitty.exe schtasks.exe PID 2128 wrote to memory of 3008 2128 kitty.exe schtasks.exe PID 2128 wrote to memory of 3008 2128 kitty.exe schtasks.exe PID 2128 wrote to memory of 2668 2128 kitty.exe schtasks.exe PID 2128 wrote to memory of 2668 2128 kitty.exe schtasks.exe PID 2128 wrote to memory of 2668 2128 kitty.exe schtasks.exe PID 2128 wrote to memory of 2668 2128 kitty.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\kitty.exe"C:\Users\Admin\AppData\Local\Temp\kitty.exe"1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp676.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "TCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6F4.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp676.tmpFilesize
1KB
MD51fb868da8972c98303d5b8a1640a3052
SHA1dff1a9e1f187ed867895078523b569fbbac825c3
SHA2568e74325e8c8f5432a80a71efc90ba52ad493c65a9ea258c46b5a0e8ba9e113aa
SHA512b9a3a07f2404c119cc1e392ba9605d269e6f9b9d20ec202abeefe302ef2ef70c74ed0c04a5ba10a750ab84cbde4d35aafbe8cfb448abd089d3573e624539fc4e
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C:\Users\Admin\AppData\Local\Temp\tmp6F4.tmpFilesize
1KB
MD593fc3117767507c9889abd12dc667d22
SHA11096e4cfa0c35756e3c3fb866c1e4c1e59115df9
SHA256684997dd4ce15031cec8f2f93933b1d41d7bf5cbbff655dd64377b07055c449a
SHA512e403348ee77bd3e7c45245dd5dae81c3ea130d5cf342f630982772ce5f75548b292013480e2831d68cf51349b64afde4589d4eec94b567d20f0a01e3b9549bdc
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memory/2128-0-0x0000000074951000-0x0000000074952000-memory.dmpFilesize
4KB
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memory/2128-1-0x0000000074950000-0x0000000074EFB000-memory.dmpFilesize
5.7MB
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memory/2128-2-0x0000000074950000-0x0000000074EFB000-memory.dmpFilesize
5.7MB
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memory/2128-10-0x0000000074950000-0x0000000074EFB000-memory.dmpFilesize
5.7MB