Analysis
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max time kernel
149s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13/05/2024, 06:43
Static task
static1
Behavioral task
behavioral1
Sample
a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe
Resource
win10v2004-20240508-en
General
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Target
a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe
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Size
70KB
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MD5
a2554fb13a2ae16d5f511a373fac9810
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SHA1
19e413e49e81776b44e9e30a1aedde574a862d66
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SHA256
44b35895a3a56655d32a55706c52ce04d96c1829c465d750df4afe7421bbcb5f
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SHA512
13bea34ea015addcbae9e820463fb56128d3e2e3d10244950ecb2a49a0dba838233d8146950155fbf42a1336ab2b931bd600c66bbadd8184298700f02fe542a9
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8/xa:Olg35GTslA5t3/w8w
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" ettasac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" ettasac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" ettasac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" ettasac.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\{4256524B-4950-5453-4256-524B49505453} ettasac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4256524B-4950-5453-4256-524B49505453}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" ettasac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4256524B-4950-5453-4256-524B49505453}\IsInstalled = "1" ettasac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4256524B-4950-5453-4256-524B49505453}\StubPath = "C:\\Windows\\system32\\imgatoor.exe" ettasac.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\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" ettasac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\eanneras-otex.exe" ettasac.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe ettasac.exe -
Executes dropped EXE 2 IoCs
pid Process 864 ettasac.exe 1792 ettasac.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" ettasac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" ettasac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" ettasac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" ettasac.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} ettasac.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify ettasac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" ettasac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\ettooboar.dll" ettasac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" ettasac.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\ettooboar.dll ettasac.exe File opened for modification C:\Windows\SysWOW64\ettasac.exe ettasac.exe File opened for modification C:\Windows\SysWOW64\ettasac.exe a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe File opened for modification C:\Windows\SysWOW64\eanneras-otex.exe ettasac.exe File created C:\Windows\SysWOW64\eanneras-otex.exe ettasac.exe File opened for modification C:\Windows\SysWOW64\imgatoor.exe ettasac.exe File created C:\Windows\SysWOW64\ettasac.exe a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe File created C:\Windows\SysWOW64\imgatoor.exe ettasac.exe File opened for modification C:\Windows\SysWOW64\ettooboar.dll ettasac.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 1792 ettasac.exe 1792 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe 864 ettasac.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3404 a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe Token: SeDebugPrivilege 864 ettasac.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3404 wrote to memory of 864 3404 a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe 82 PID 3404 wrote to memory of 864 3404 a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe 82 PID 3404 wrote to memory of 864 3404 a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe 82 PID 864 wrote to memory of 616 864 ettasac.exe 5 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 1792 864 ettasac.exe 83 PID 864 wrote to memory of 1792 864 ettasac.exe 83 PID 864 wrote to memory of 1792 864 ettasac.exe 83 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.exe 56 PID 864 wrote to memory of 3436 864 ettasac.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:3436
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C:\Users\Admin\AppData\Local\Temp\a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe"2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3404 -
C:\Windows\SysWOW64\ettasac.exe"C:\Windows\system32\ettasac.exe"3⤵
- Windows security bypass
- 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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Windows\SysWOW64\ettasac.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1792
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
73KB
MD5ae244095bcbdb41be9f5ebc11058a764
SHA12a6ce4e4eefaaaaa4755300e3157b37688cf90c1
SHA256bcb45c70e1d7727cf799e24a604e7d53a8b6973f2a74f3abf8e9f6bb50928227
SHA512f5945b247d194c036efa72428853c3cfb2ed0f5d8f546343a94884ffcc3054a3ee55b1bd3f1f3c2644724fbae7c1d1e0a9e218b07f5dec24f78300e4303292d4
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Filesize
70KB
MD5a2554fb13a2ae16d5f511a373fac9810
SHA119e413e49e81776b44e9e30a1aedde574a862d66
SHA25644b35895a3a56655d32a55706c52ce04d96c1829c465d750df4afe7421bbcb5f
SHA51213bea34ea015addcbae9e820463fb56128d3e2e3d10244950ecb2a49a0dba838233d8146950155fbf42a1336ab2b931bd600c66bbadd8184298700f02fe542a9
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
72KB
MD57ec96562f976840ecb30ae2d1600d033
SHA13df2dfaabd1c755ecf69ca9d197b03e9bf437176
SHA256b5b314dac512e8c022b71c97c465953003f642fffc22e47441800a37236a5e89
SHA512a52760b514b149cf10f41d91a2ac027f05c100e856833790404b4342c10b9e772daa765bb20b992e3a5184ab86717a42a0123307a5e929dc14b3e623fb7dbb9b