Analysis
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max time kernel
149s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 07:57
Behavioral task
behavioral1
Sample
828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
Resource
win10v2004-20240508-en
General
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Target
828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe
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Size
22KB
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MD5
828612359d55d8d0619fcc991584a0e0
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SHA1
9ab5d667640fb6fda3e20c117270f5e8823a5bf4
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SHA256
92b5a1aa6b9ee325b8ac7953fcec6f3bcb74da7f385fcba8c7471563be6ccddb
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SHA512
16a39ecef2f861d4dfa63d1bde5ab772bd37d7c82f8428e7d6c8747edc232f005868adb9cb996b97f9e87be5e155a5c255d6bcffed0872171173e4aaae073113
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SSDEEP
384:UBWoC5GDr6wc/w3HgM6vDUTAXBGCVf4WVlFvXVB7PA:rRkiLw3HsDSARGG/rPA
Malware Config
Signatures
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Processes:
rmass.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "5120" rmass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "5120" rmass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "5120" rmass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "5120" rmass.exe -
Drops file in Drivers directory 1 IoCs
Processes:
rmass.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts rmass.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
Processes:
rmass.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{534E4656-4751-4c55-534E-465647514c55}\StubPath = "C:\\Windows\\system32\\ahuy.exe" rmass.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{534E4656-4751-4c55-534E-465647514c55} rmass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{534E4656-4751-4c55-534E-465647514c55}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" rmass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{534E4656-4751-4c55-534E-465647514c55}\IsInstalled = "1" rmass.exe -
Sets file execution options in registry 2 TTPs 3 IoCs
Processes:
rmass.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" rmass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ntdbg.exe" rmass.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe rmass.exe -
Executes dropped EXE 2 IoCs
Processes:
rmass.exermass.exepid process 2268 rmass.exe 1804 rmass.exe -
Processes:
resource yara_rule behavioral2/memory/1712-0-0x0000000000400000-0x0000000000411000-memory.dmp upx C:\Windows\SysWOW64\rmass.exe upx behavioral2/memory/1712-8-0x0000000000400000-0x0000000000411000-memory.dmp upx behavioral2/memory/2268-10-0x0000000000400000-0x0000000000411000-memory.dmp upx behavioral2/memory/1804-19-0x0000000000400000-0x0000000000411000-memory.dmp upx behavioral2/memory/2268-53-0x0000000000400000-0x0000000000411000-memory.dmp upx -
Processes:
rmass.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "5120" rmass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "5120" rmass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "5120" rmass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "5120" rmass.exe -
Modifies WinLogon 2 TTPs 5 IoCs
Processes:
rmass.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\RECOVER32.DLL" rmass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" rmass.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} rmass.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify rmass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" rmass.exe -
Drops file in System32 directory 12 IoCs
Processes:
828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exermass.exedescription ioc process File opened for modification C:\Windows\SysWOW64\rmass.exe 828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe File created C:\Windows\SysWOW64\ntdbg.exe rmass.exe File opened for modification C:\Windows\SysWOW64\RECOVER32.DLL rmass.exe File created C:\Windows\SysWOW64\RECOVER32.DLL rmass.exe File opened for modification C:\Windows\SysWOW64\idbg32.exe rmass.exe File created C:\Windows\SysWOW64\rmass.exe 828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe File opened for modification C:\Windows\SysWOW64\ntdbg.exe rmass.exe File opened for modification C:\Windows\SysWOW64\ahuy.exe rmass.exe File created C:\Windows\SysWOW64\ahuy.exe rmass.exe File opened for modification C:\Windows\SysWOW64\winrnt.exe rmass.exe File opened for modification C:\Windows\SysWOW64\aset32.exe rmass.exe File opened for modification C:\Windows\SysWOW64\rmass.exe rmass.exe -
Drops file in Program Files directory 3 IoCs
Processes:
rmass.exedescription ioc process File opened for modification C:\Program Files (x86)\Common Files\System\winrnt.exe rmass.exe File opened for modification C:\Program Files (x86)\Common Files\System\aset32.exe rmass.exe File opened for modification C:\Program Files (x86)\Common Files\System\idbg32.exe rmass.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
rmass.exermass.exepid process 2268 rmass.exe 2268 rmass.exe 2268 rmass.exe 2268 rmass.exe 2268 rmass.exe 2268 rmass.exe 1804 rmass.exe 1804 rmass.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exermass.exedescription pid process Token: SeDebugPrivilege 1712 828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe Token: SeDebugPrivilege 2268 rmass.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exermass.exedescription pid process target process PID 1712 wrote to memory of 2268 1712 828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe rmass.exe PID 1712 wrote to memory of 2268 1712 828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe rmass.exe PID 1712 wrote to memory of 2268 1712 828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe rmass.exe PID 2268 wrote to memory of 1804 2268 rmass.exe rmass.exe PID 2268 wrote to memory of 1804 2268 rmass.exe rmass.exe PID 2268 wrote to memory of 1804 2268 rmass.exe rmass.exe PID 2268 wrote to memory of 612 2268 rmass.exe winlogon.exe PID 2268 wrote to memory of 3424 2268 rmass.exe Explorer.EXE
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\828612359d55d8d0619fcc991584a0e0_NeikiAnalytics.exe"2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rmass.exe"C:\Windows\system32\rmass.exe"3⤵
- Windows security bypass
- Drops file in Drivers directory
- Modifies Installed Components in the registry
- Sets file execution options in registry
- Executes dropped EXE
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rmass.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\RECOVER32.DLLFilesize
5KB
MD52b2c28a7a01f9584fe220ef84003427f
SHA15fc023df0b5064045eb8de7f2dbe26f07f6fec70
SHA2569e00af53b1d0c0f5270d94a666d95aa7b4dcb9fea49487c210c055c9dcfcc9eb
SHA51239192a8a91dec1abff25af8dac0cf39da4dfd51b3fb4f1ef0b4e776185d4280fbe8387c2ea778da7bbf2ce288b0bce4d23cbe8d9e87bbd250159044f5adbac78
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C:\Windows\SysWOW64\ahuy.exeFilesize
24KB
MD53d1e9f8315a6c3713a2da8ae3954f869
SHA1c3a6a93cb0429c04eedfbf5a7d9ced21b4329054
SHA25635bf73f0af3fad0eb8ce373ef04952f8a99a2b59c61a0efa9f3befa36855b08c
SHA5122d6605a85956888069ee284052f24b1f84e097d3f620ec7f877f125e9cf86cf5f3d746222ea8f22c85a5827e227735e38ab7a5373a035722f0b919896261e19f
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C:\Windows\SysWOW64\ntdbg.exeFilesize
25KB
MD5bf59fea89c1a37c59f1d392331b75ad8
SHA10f8f82ad29dcd63e7ed09a02ee675fed5cc942c6
SHA256709d48606821d7292490028766008d7589f614e57b836d0dce65ccaeb3b23ac7
SHA512d86bae748ea87c004cfa3cdaeb8184edd9d84b6471bbdae10c9869ef4da52bff19ba6890a55a25208fb9dce46a97abb75bc9029ff726e31dc610e4e545028b49
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C:\Windows\SysWOW64\rmass.exeFilesize
22KB
MD5828612359d55d8d0619fcc991584a0e0
SHA19ab5d667640fb6fda3e20c117270f5e8823a5bf4
SHA25692b5a1aa6b9ee325b8ac7953fcec6f3bcb74da7f385fcba8c7471563be6ccddb
SHA51216a39ecef2f861d4dfa63d1bde5ab772bd37d7c82f8428e7d6c8747edc232f005868adb9cb996b97f9e87be5e155a5c255d6bcffed0872171173e4aaae073113
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C:\Windows\System32\drivers\etc\hostsFilesize
1KB
MD56f47b62de25d1745e296a06b3f98ed19
SHA1a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f
SHA25615c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4
SHA512dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7
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memory/1712-0-0x0000000000400000-0x0000000000411000-memory.dmpFilesize
68KB
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memory/1712-8-0x0000000000400000-0x0000000000411000-memory.dmpFilesize
68KB
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memory/1804-19-0x0000000000400000-0x0000000000411000-memory.dmpFilesize
68KB
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memory/2268-10-0x0000000000400000-0x0000000000411000-memory.dmpFilesize
68KB
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memory/2268-53-0x0000000000400000-0x0000000000411000-memory.dmpFilesize
68KB