Analysis
- max time kernel
149s - max time network
52s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
13/06/2024, 23:22
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8fb0ad31baed94851ee5478ff397fb30_NeikiAnalytics.exe
Resource
win7-20240220-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
8fb0ad31baed94851ee5478ff397fb30_NeikiAnalytics.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 8fb0ad31baed94851ee5478ff397fb30_NeikiAnalytics.exe
- Size 47KB
- Sample240613-3c3c3avepb
- SHA256 2ed91f478d342a513e4f6c3198c75b8d70663858628da7dc071f34cc8bd61dbf
- MD5 8fb0ad31baed94851ee5478ff397fb30
- SHA1 28eefe36a648e856479d1d1db4277a72c5e07971
- SHA512 afb97b9328eefbfafb568379d397a284bae1404bb6d83685859ad81b73fc596a3f6748bbb0fa822a0ca202d8e3294a71a8e994747f371e21b16f64bf07d279de
- SSDEEP 768:jIUbhihFX+6TPPngdXnYSizpNyjdrJcGbYyQfbHEmn5fE9wD0QRZo:jp9YSiKBJcGVGhywDbo
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
-
description 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 - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts rmass.exe - Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945} rmass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" rmass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}\IsInstalled = "1" rmass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}\StubPath = "C:\\Windows\\system32\\ahuy.exe" rmass.exe - Sets file execution options in registry 2 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe rmass.exe 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 - Executes dropped EXE 2 IoCs
pid Process 5112 rmass.exe 1316 rmass.exe -
description 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
description ioc Process 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 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 - Drops file in System32 directory 12 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\aset32.exe rmass.exe File opened for modification C:\Windows\SysWOW64\idbg32.exe rmass.exe File created C:\Windows\SysWOW64\rmass.exe 8fb0ad31baed94851ee5478ff397fb30_NeikiAnalytics.exe File opened for modification C:\Windows\SysWOW64\ntdbg.exe rmass.exe File created 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\rmass.exe rmass.exe File opened for modification C:\Windows\SysWOW64\rmass.exe 8fb0ad31baed94851ee5478ff397fb30_NeikiAnalytics.exe File opened for modification C:\Windows\SysWOW64\RECOVER32.DLL rmass.exe File created C:\Windows\SysWOW64\RECOVER32.DLL rmass.exe - Drops file in Program Files directory 3 IoCs
description 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
pid Process 5112 rmass.exe 5112 rmass.exe 5112 rmass.exe 5112 rmass.exe 5112 rmass.exe 5112 rmass.exe 1316 rmass.exe 1316 rmass.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5112 rmass.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2100 wrote to memory of 5112 2100 8fb0ad31baed94851ee5478ff397fb30_NeikiAnalytics.exe 82 PID 2100 wrote to memory of 5112 2100 8fb0ad31baed94851ee5478ff397fb30_NeikiAnalytics.exe 82 PID 2100 wrote to memory of 5112 2100 8fb0ad31baed94851ee5478ff397fb30_NeikiAnalytics.exe 82 PID 5112 wrote to memory of 1316 5112 rmass.exe 83 PID 5112 wrote to memory of 1316 5112 rmass.exe 83 PID 5112 wrote to memory of 1316 5112 rmass.exe 83 PID 5112 wrote to memory of 624 5112 rmass.exe 5 PID 5112 wrote to memory of 3508 5112 rmass.exe 56
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:624
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3508
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C:\Users\Admin\AppData\Local\Temp\8fb0ad31baed94851ee5478ff397fb30_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\8fb0ad31baed94851ee5478ff397fb30_NeikiAnalytics.exe"2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\SysWOW64\rmass.exe"C:\Windows\SysWOW64\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
PID:5112 -
C:\Windows\SysWOW64\rmass.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1316
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\RECOVER32.DLL
- Size 5KB
- SHA256 9e00af53b1d0c0f5270d94a666d95aa7b4dcb9fea49487c210c055c9dcfcc9eb
- MD5 2b2c28a7a01f9584fe220ef84003427f
- SHA1 5fc023df0b5064045eb8de7f2dbe26f07f6fec70
- SHA512 39192a8a91dec1abff25af8dac0cf39da4dfd51b3fb4f1ef0b4e776185d4280fbe8387c2ea778da7bbf2ce288b0bce4d23cbe8d9e87bbd250159044f5adbac78
- SSDEEP 48:6CsrGV5e2/WJbm73k2vZcsrkqSq2cxc2G5ZwJOFl:SqV5Roa73kQ/kqqAD
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\ahuy.exe
- Size 47KB
- SHA256 8e39bc456d0347c2ee1ea2d3a485308c41101246378b513eb7a8e2fce263b2da
- MD5 cbffac4e08aefc4b2b187fb3e1f947af
- SHA1 04a3facb953c39e4bbe1d23a07f20492d838bac5
- SHA512 7906adb66774c12a9e3f31c48b77fcfa48af8fc4be9ce70ca908ed56e2a2853fdf7e8bd14e2a3e1fbd887dd196d01dbd039cf2fd1fc18e883d2a4d09acf0f44a
- SSDEEP 768:jIUzxOZla12vpRON0ntJmDxwAfgxFHXs85bqQ/AXd8Si:jBU22RRXtYqFHc88XyV
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\ntdbg.exe
- Size 48KB
- SHA256 e8379200678a4f816e9b917386b5e66318ab48e7b4fe3562ecbe93328af673f0
- MD5 b2d94510e6b81891661a5288ca3142c0
- SHA1 9e8edeea3f936cc5b05d31c7b0abc1c323244f9f
- SHA512 36b80ed4db3e5f8c48dbd4cf1fd6ab493e4444c738a8f8f8887845e84bbb3f8a697d72fb66d04a8bc589b7302a0d5565b32e81e5baf16c8527a8708b937e2b51
- SSDEEP 768:ErzoAKoAQAikj8dj0kkVGIbvr0c3gZ7Sna+8yu36sulsLZ8L9K:EQAzA/jY0ZVdbvr0cQqDMTZAK
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\rmass.exe
- Size 45KB
- SHA256 f71a62336813d0ec2e6561ba220150010733bb8eb2518e87d0b28fd19f99d590
- MD5 c832e0e17cbac86b4bccac75feb915e3
- SHA1 8a3b21f56dbe663024c5ff3d4563061768024005
- SHA512 c7175fcd9615e6aa86eab7afc05b9478fa3f4681d091a477672feee96362fe799661b37f40b0bc940149ad4e35bb72f1214aa55442d0208b2b76f8f216b12aad
- SSDEEP 768:WAUJmQCcmLCXQq6fsKiJYsIkjJVzqsVG5kuGVAQvKMb7rvY:RUNHFKQbIkHvGkAFu7LY
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\System32\drivers\etc\hosts
- Size 1KB
- SHA256 15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4
- MD5 6f47b62de25d1745e296a06b3f98ed19
- SHA1 a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f
- SHA512 dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7
- MD5 SHA1 SHA512