Analysis
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max time kernel
149s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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\{495A4B43-4b4f-5450-495A-4B434B4F5450} ettasac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" ettasac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\IsInstalled = "1" ettasac.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\StubPath = "C:\\Windows\\system32\\imgatoor.exe" ettasac.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 ettasac.exe 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 -
Executes dropped EXE 2 IoCs
pid Process 320 ettasac.exe 1284 ettasac.exe -
Loads dropped DLL 3 IoCs
pid Process 2340 a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe 2340 a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe 320 ettasac.exe -
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 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 opened for modification C:\Windows\SysWOW64\ettasac.exe a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe File created C:\Windows\SysWOW64\eanneras-otex.exe ettasac.exe File created C:\Windows\SysWOW64\imgatoor.exe ettasac.exe File opened for modification C:\Windows\SysWOW64\ettasac.exe ettasac.exe File created C:\Windows\SysWOW64\ettasac.exe a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe File opened for modification C:\Windows\SysWOW64\eanneras-otex.exe ettasac.exe File opened for modification C:\Windows\SysWOW64\imgatoor.exe ettasac.exe File opened for modification C:\Windows\SysWOW64\ettooboar.dll ettasac.exe File created C:\Windows\SysWOW64\ettooboar.dll ettasac.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 1284 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe 320 ettasac.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2340 a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe Token: SeDebugPrivilege 320 ettasac.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2340 wrote to memory of 320 2340 a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe 28 PID 2340 wrote to memory of 320 2340 a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe 28 PID 2340 wrote to memory of 320 2340 a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe 28 PID 2340 wrote to memory of 320 2340 a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe 28 PID 320 wrote to memory of 436 320 ettasac.exe 5 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1284 320 ettasac.exe 29 PID 320 wrote to memory of 1284 320 ettasac.exe 29 PID 320 wrote to memory of 1284 320 ettasac.exe 29 PID 320 wrote to memory of 1284 320 ettasac.exe 29 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21 PID 320 wrote to memory of 1196 320 ettasac.exe 21
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:436
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1196
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C:\Users\Admin\AppData\Local\Temp\a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\a2554fb13a2ae16d5f511a373fac9810_NeikiAnalytics.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340 -
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
- Loads dropped DLL
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:320 -
C:\Windows\SysWOW64\ettasac.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1284
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD523d25df477b371881af5d5f92e1d56c7
SHA143fbf2f7151f04d481e118509dc61a069850e5ca
SHA2566deb43b5679fd3f1d2546e137efead94709e1c8fc07f7390017d2008caaa5e08
SHA5120da93b07c72457334eb4bd3af5f8b11af74d62f1a155b4f4c7255969ee1327fc12ad74472723791185141f06aa017946197348f2099309ed8821b1a996d864bb
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
72KB
MD5f1bdf77ab055abefec81854a4a671a08
SHA12295d0faeaf8dd1ed0a10be7936ac086bb960c77
SHA256a879edf5eaa1d4758352f5d34e47705c6283e82504dc85fb83046fa984c9a1b6
SHA5123556303a00a0d5d7fa8dbedd9e08559e60779cd9c2b406e7eed98165584ccd80b827a4b0c1102359a1dfd39b53fa738fd81286ba98c7a52988059768b8355432
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Filesize
70KB
MD5a2554fb13a2ae16d5f511a373fac9810
SHA119e413e49e81776b44e9e30a1aedde574a862d66
SHA25644b35895a3a56655d32a55706c52ce04d96c1829c465d750df4afe7421bbcb5f
SHA51213bea34ea015addcbae9e820463fb56128d3e2e3d10244950ecb2a49a0dba838233d8146950155fbf42a1336ab2b931bd600c66bbadd8184298700f02fe542a9