Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
01/06/2024, 07:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
91e51612134746e3abc097afb0a88900_NeikiAnalytics.exe
Resource
win7-20240215-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
91e51612134746e3abc097afb0a88900_NeikiAnalytics.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 91e51612134746e3abc097afb0a88900_NeikiAnalytics.exe
- Size 47KB
- Sample240601-htye8add7s
- SHA256 587bc8c11059b5b46c8ec89c75aa2e7482d1781585ee914de86b9d10bd2e8ee2
- MD5 91e51612134746e3abc097afb0a88900
- SHA1 c2dec5d5e846d7f5db3caa6586db395b1bd9330d
- SHA512 15059c6e4542d4780ef712078c856aafb11b436201d8fe1b41a5fa0cd2d8f631cbc5a5ea86adafbf7d0565d38c005eabace8cb0e667c6839072799af273a6ca9
- SSDEEP 768:jIU9+IXCIqCYpFQKGkz2EQV5D3Z5Rnx9gSF0sW5Aug+5LW65GX:jrNXaZ3QKGkdQVVJ5Rnx93FRegaC65GX
- 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\{47534147-4d48-4351-4753-41474D484351} rmass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47534147-4d48-4351-4753-41474D484351}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" rmass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47534147-4d48-4351-4753-41474D484351}\IsInstalled = "1" rmass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47534147-4d48-4351-4753-41474D484351}\StubPath = "C:\\Windows\\system32\\ahuy.exe" rmass.exe - Sets file execution options in registry 2 TTPs 3 IoCs
description ioc Process 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" rmass.exe - Executes dropped EXE 2 IoCs
pid Process 3612 rmass.exe 1896 rmass.exe -
description 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 - Modifies WinLogon 2 TTPs 5 IoCs
description ioc Process 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 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 - Drops file in System32 directory 12 IoCs
description ioc Process File created C:\Windows\SysWOW64\RECOVER32.DLL 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 91e51612134746e3abc097afb0a88900_NeikiAnalytics.exe File created C:\Windows\SysWOW64\rmass.exe 91e51612134746e3abc097afb0a88900_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\RECOVER32.DLL rmass.exe File opened for modification C:\Windows\SysWOW64\idbg32.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\rmass.exe rmass.exe - Drops file in Program Files directory 3 IoCs
description ioc Process 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 File opened for modification C:\Program Files (x86)\Common Files\System\winrnt.exe rmass.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3612 rmass.exe 3612 rmass.exe 3612 rmass.exe 3612 rmass.exe 3612 rmass.exe 3612 rmass.exe 1896 rmass.exe 1896 rmass.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3612 rmass.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2796 wrote to memory of 3612 2796 91e51612134746e3abc097afb0a88900_NeikiAnalytics.exe 82 PID 2796 wrote to memory of 3612 2796 91e51612134746e3abc097afb0a88900_NeikiAnalytics.exe 82 PID 2796 wrote to memory of 3612 2796 91e51612134746e3abc097afb0a88900_NeikiAnalytics.exe 82 PID 3612 wrote to memory of 616 3612 rmass.exe 5 PID 3612 wrote to memory of 1896 3612 rmass.exe 83 PID 3612 wrote to memory of 1896 3612 rmass.exe 83 PID 3612 wrote to memory of 1896 3612 rmass.exe 83 PID 3612 wrote to memory of 3448 3612 rmass.exe 56
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:616
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3448
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C:\Users\Admin\AppData\Local\Temp\91e51612134746e3abc097afb0a88900_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\91e51612134746e3abc097afb0a88900_NeikiAnalytics.exe"2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2796 -
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:3612 -
C:\Windows\SysWOW64\rmass.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1896
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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 105fe94845c91d1554c2983d4ddbc6241e7299038296ef780b596535b737ab7b
- MD5 ea2242567d5bf2ce68776043609a8e79
- SHA1 845b2df363dcfc8e330fe407fb1517a9b6d786b3
- SHA512 c3d198c78bcf66b93294ea57c7e189b32b1a9584495c9076494a6b935e8c667a8fa75bd6d35861fdfe9e824209f8c2fd2094f92f0273aceec3fecf0b5d6cac38
- SSDEEP 768:jIUX1MKrWtSye3g1/TN8dbkIGf9/DIL1gXQ6weTMG:jN1MK6tSy6g1/TKdXGf9/DIL1gXQ6TT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\ntdbg.exe
- Size 48KB
- SHA256 6fbf4256f0cd13075508817e2170cb6055ed8b7a1b845a42dc5da30500645904
- MD5 c02545a2c6e8dfb2c086be09061c2bf1
- SHA1 7940c2935fc5263a1bd732fd542e33c3c4af95d4
- SHA512 b66569d4e7d327ca08fcb28242fc7650a66e32192906dc744d14fcf75967ca61080dee5c2885f129a815c02abfa2914d5c994cf32c2fbe8bfcfafc91cc726ccc
- SSDEEP 768:Erzt/rSAw5MU9hvyOLTYcFiDHcFj7De4GeBeYHA:EFS5Mavb2Ie4tg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\rmass.exe
- Size 45KB
- SHA256 74632b14ddbdade7db0ebff1a3680ea6dda61311734deb7914dad93c5f616e59
- MD5 accabd5bbfff69b99f2007a53b857e4d
- SHA1 7510fd2698961fdd86a61cee5e7e789ee196579f
- SHA512 e4fe427a527796da73f86a5047e9d235a3899342c74509aff11b7d7550a06d4859fd9528d8a79043d414608b1b53d08109332a467752917eb9d13b9eb01d2c04
- SSDEEP 768:WAUJmQCcmLCXQq6fsKiJYsIkjJVzqsVG5kuGVAQvKMb7rG:RUNHFKQbIkHvGkAFu76
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\System32\drivers\etc\hosts
- Size 1KB
- SHA256 15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4
- MD5 6f47b62de25d1745e296a06b3f98ed19
- SHA1 a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f
- SHA512 dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7
- MD5 SHA1 SHA512