Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
04/06/2024, 00:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
159b0cc7c21f3339310a379f98f28590_NeikiAnalytics.exe
Resource
win7-20240419-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
159b0cc7c21f3339310a379f98f28590_NeikiAnalytics.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 159b0cc7c21f3339310a379f98f28590_NeikiAnalytics.exe
- Size 46KB
- Sample240604-agb3fsec3s
- SHA256 2caa8dd82d42122f9f7b184ace58fe23a9c9b9f75376ef2025eba12bd43bcf76
- MD5 159b0cc7c21f3339310a379f98f28590
- SHA1 ffdfc9adb0acc9a83fa89ff863749d8629d35bf6
- SHA512 b0ae779701f72b51925328d78f914d599eb02237a488e80474e379af4c5863cbf2194caa9da2d2e3793c6a59244c9b1b72ff379ff24782e4afff9831386db611
- SSDEEP 768:WAUJmQCcmLCXQq6fsKiJYsIkjJVzqsVG5kuGVAQvBucNs2pO:RUNHFKQbIkHvGkAOdI
- 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\{4E515054-544d-524d-4E51-5054544D524d} rmass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4E515054-544d-524d-4E51-5054544D524d}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" rmass.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4E515054-544d-524d-4E51-5054544D524d}\IsInstalled = "1" rmass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4E515054-544d-524d-4E51-5054544D524d}\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 3744 rmass.exe 4808 rmass.exe -
description ioc Process 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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "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}\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 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 - Drops file in System32 directory 12 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\rmass.exe 159b0cc7c21f3339310a379f98f28590_NeikiAnalytics.exe File opened for modification C:\Windows\SysWOW64\ntdbg.exe rmass.exe File created C:\Windows\SysWOW64\ntdbg.exe rmass.exe File created C:\Windows\SysWOW64\RECOVER32.DLL rmass.exe File opened for modification C:\Windows\SysWOW64\aset32.exe rmass.exe File opened for modification C:\Windows\SysWOW64\rmass.exe rmass.exe File created C:\Windows\SysWOW64\rmass.exe 159b0cc7c21f3339310a379f98f28590_NeikiAnalytics.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\RECOVER32.DLL rmass.exe File opened for modification C:\Windows\SysWOW64\winrnt.exe rmass.exe File opened for modification C:\Windows\SysWOW64\idbg32.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\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 3744 rmass.exe 3744 rmass.exe 3744 rmass.exe 3744 rmass.exe 3744 rmass.exe 3744 rmass.exe 4808 rmass.exe 4808 rmass.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 808 159b0cc7c21f3339310a379f98f28590_NeikiAnalytics.exe Token: SeDebugPrivilege 3744 rmass.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 808 wrote to memory of 3744 808 159b0cc7c21f3339310a379f98f28590_NeikiAnalytics.exe 82 PID 808 wrote to memory of 3744 808 159b0cc7c21f3339310a379f98f28590_NeikiAnalytics.exe 82 PID 808 wrote to memory of 3744 808 159b0cc7c21f3339310a379f98f28590_NeikiAnalytics.exe 82 PID 3744 wrote to memory of 612 3744 rmass.exe 5 PID 3744 wrote to memory of 3524 3744 rmass.exe 56 PID 3744 wrote to memory of 4808 3744 rmass.exe 83 PID 3744 wrote to memory of 4808 3744 rmass.exe 83 PID 3744 wrote to memory of 4808 3744 rmass.exe 83
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:612
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3524
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C:\Users\Admin\AppData\Local\Temp\159b0cc7c21f3339310a379f98f28590_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\159b0cc7c21f3339310a379f98f28590_NeikiAnalytics.exe"2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:808 -
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
PID:3744 -
C:\Windows\SysWOW64\rmass.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4808
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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 48KB
- SHA256 7be5befa9d277a716c825005327231919dc4c9a10947194254036baacf5d2741
- MD5 76eb710fcb9bf7ce8ec18dbdbfdba163
- SHA1 f0a71e3ffc0ca0ca99ebd99af73352bf1403921f
- SHA512 75b631c5b4fb9e0149bc697f4183996277fc43b5b5b5db4e5f701ecad5cc8f2317acd82e234a802bf5bbe3c6cb7eb8fcd6291bba0bfcee19071e01847542d77a
- SSDEEP 768:jIUzn1boDaUvD0AwPqPO2sZpBt666vbXmLfD+fW+Sfz:jvoDaU4yWTl6pbXab0Piz
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\ntdbg.exe
- Size 49KB
- SHA256 3e90d758ca392b9594228ad0dd1fbc96bf2230be01c69a83455cc56ba55ff166
- MD5 e00632fb6a6b5b16d473915c2bdf7d6c
- SHA1 5660f19a7b51dfb952f2c7793ef51effd2322e4f
- SHA512 6171a9c07ebe5495635e63f48e37f6f11e80d12ada6695f66ab487e09a6b7fda03dc3fcd3752592f398fe115cf29eb351aeadf5f6436edc3347bfab0ff1abdd9
- SSDEEP 768:Erz7+6jiqcZanOpzGs1dBdl2nphAv2AiBI/qKukQPdIEOqI:ETviqzHs1dBdl2npQ2A7/QPdHfI
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\rmass.exe
- Size 46KB
- SHA256 2caa8dd82d42122f9f7b184ace58fe23a9c9b9f75376ef2025eba12bd43bcf76
- MD5 159b0cc7c21f3339310a379f98f28590
- SHA1 ffdfc9adb0acc9a83fa89ff863749d8629d35bf6
- SHA512 b0ae779701f72b51925328d78f914d599eb02237a488e80474e379af4c5863cbf2194caa9da2d2e3793c6a59244c9b1b72ff379ff24782e4afff9831386db611
- SSDEEP 768:WAUJmQCcmLCXQq6fsKiJYsIkjJVzqsVG5kuGVAQvBucNs2pO:RUNHFKQbIkHvGkAOdI
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\System32\drivers\etc\hosts
- Size 1KB
- SHA256 15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4
- MD5 6f47b62de25d1745e296a06b3f98ed19
- SHA1 a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f
- SHA512 dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7
- MD5 SHA1 SHA512