Analysis
- max time kernel
149s - max time network
123s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
13/05/2024, 06:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a33010021f234d019348d211e5b99160_NeikiAnalytics.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
a33010021f234d019348d211e5b99160_NeikiAnalytics.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target a33010021f234d019348d211e5b99160_NeikiAnalytics.exe
- Size 71KB
- Sample240513-hnv3xabc21
- SHA256 cfd91e1524ed8c86f7d9b5642dcd690cc91e66325408b997622fc11c0ac98b5c
- MD5 a33010021f234d019348d211e5b99160
- SHA1 98f870b9fa9ea4d1649b957d70480efe3f53f553
- SHA512 d50d2146d2ad824186d985a5c5eaa4ef299b025f925b7a48247e9b7ecb05f025613970b77366791cc99fb37a14727bcd5532417f9ef2fe59b8877106ccec42b0
- SSDEEP 1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slVI:Olg35GTslA5t3/w8uI
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" efmeasam.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" efmeasam.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" efmeasam.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" efmeasam.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\{51475451-5a54-5245-5147-54515A545245} efmeasam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" efmeasam.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}\IsInstalled = "1" efmeasam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}\StubPath = "C:\\Windows\\system32\\pberar.exe" efmeasam.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 efmeasam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" efmeasam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ixpiceap-ifom.exe" efmeasam.exe - Executes dropped EXE 2 IoCs
pid Process 2332 efmeasam.exe 2224 efmeasam.exe - Loads dropped DLL 3 IoCs
pid Process 2912 a33010021f234d019348d211e5b99160_NeikiAnalytics.exe 2912 a33010021f234d019348d211e5b99160_NeikiAnalytics.exe 2332 efmeasam.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" efmeasam.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" efmeasam.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" efmeasam.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" efmeasam.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" efmeasam.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} efmeasam.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify efmeasam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" efmeasam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\eafgexac-ikooc.dll" efmeasam.exe - Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\efmeasam.exe a33010021f234d019348d211e5b99160_NeikiAnalytics.exe File created C:\Windows\SysWOW64\ixpiceap-ifom.exe efmeasam.exe File created C:\Windows\SysWOW64\eafgexac-ikooc.dll efmeasam.exe File opened for modification C:\Windows\SysWOW64\efmeasam.exe efmeasam.exe File opened for modification C:\Windows\SysWOW64\efmeasam.exe a33010021f234d019348d211e5b99160_NeikiAnalytics.exe File opened for modification C:\Windows\SysWOW64\ixpiceap-ifom.exe efmeasam.exe File opened for modification C:\Windows\SysWOW64\pberar.exe efmeasam.exe File created C:\Windows\SysWOW64\pberar.exe efmeasam.exe File opened for modification C:\Windows\SysWOW64\eafgexac-ikooc.dll efmeasam.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2224 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe 2332 efmeasam.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2912 a33010021f234d019348d211e5b99160_NeikiAnalytics.exe Token: SeDebugPrivilege 2332 efmeasam.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2912 wrote to memory of 2332 2912 a33010021f234d019348d211e5b99160_NeikiAnalytics.exe 28 PID 2912 wrote to memory of 2332 2912 a33010021f234d019348d211e5b99160_NeikiAnalytics.exe 28 PID 2912 wrote to memory of 2332 2912 a33010021f234d019348d211e5b99160_NeikiAnalytics.exe 28 PID 2912 wrote to memory of 2332 2912 a33010021f234d019348d211e5b99160_NeikiAnalytics.exe 28 PID 2332 wrote to memory of 436 2332 efmeasam.exe 5 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 2224 2332 efmeasam.exe 29 PID 2332 wrote to memory of 2224 2332 efmeasam.exe 29 PID 2332 wrote to memory of 2224 2332 efmeasam.exe 29 PID 2332 wrote to memory of 2224 2332 efmeasam.exe 29 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.exe 21 PID 2332 wrote to memory of 1176 2332 efmeasam.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:1176
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C:\Users\Admin\AppData\Local\Temp\a33010021f234d019348d211e5b99160_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\a33010021f234d019348d211e5b99160_NeikiAnalytics.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Windows\SysWOW64\efmeasam.exe"C:\Windows\system32\efmeasam.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:2332 -
C:\Windows\SysWOW64\efmeasam.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2224
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\eafgexac-ikooc.dll
- Size 5KB
- SHA256 76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
- MD5 f37b21c00fd81bd93c89ce741a88f183
- SHA1 b2796500597c68e2f5638e1101b46eaf32676c1c
- SHA512 252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
- SSDEEP 48:6/bHgJ2GVhcus1lli4NbE2eMGjofSA8YDITcSd3MA3MMIv0BvcvXQ3:yAJ2G6Vx5EUGU6wIASdcAcHvA3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\efmeasam.exe
- Size 71KB
- SHA256 cfd91e1524ed8c86f7d9b5642dcd690cc91e66325408b997622fc11c0ac98b5c
- MD5 a33010021f234d019348d211e5b99160
- SHA1 98f870b9fa9ea4d1649b957d70480efe3f53f553
- SHA512 d50d2146d2ad824186d985a5c5eaa4ef299b025f925b7a48247e9b7ecb05f025613970b77366791cc99fb37a14727bcd5532417f9ef2fe59b8877106ccec42b0
- SSDEEP 1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slVI:Olg35GTslA5t3/w8uI
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\ixpiceap-ifom.exe
- Size 74KB
- SHA256 151230bbcb65a2633aeae94ffb9415e4ffcb8838608154978dfcdf4070495b74
- MD5 94784d90d6c61ed7c04673674a7dda29
- SHA1 b0aec424224e0823d5a47a293ec2473eb94e0562
- SHA512 5dd04d863978ec65516e02f226b37a78b03e78da368ba5723db885977b000f8eb8c05faec4f7d75480b6f3fba37d0647aad8afa80ae95039363283e17aa12ec4
- SSDEEP 1536:18A56h4XCr4FQ1qOFufvaxsYK281DHK2Fs6UDhDZFSLHXVGIynejZ:Ci6aQR0XLF1Dqb6UDhDZFSLHXVEeN
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\pberar.exe
- Size 73KB
- SHA256 f8e51021b2d7b8c3f7a3c781e25a190c97fa7902ae1f914dfce6f99ce0a7634f
- MD5 20175dd5d645759925a87e9b48b165ca
- SHA1 d483a10084cc27603608c21b81cb44fea3f9885f
- SHA512 45eebc58833202a29269deb14610be374ade90cbaffe79ce8b5fe04f648613bdcbd9af542b3e21450520368eafe59160d0fe48ac9a06c769168b7ca485f47c90
- SSDEEP 1536:xyGioEFhlmSUO4tss7GwZyC2LcdtdoqDbAPfMzETC7fYJJgISHgzPZydF:p8VmSB4tss7GwZyC1NZO0zH2gBoZOF
- MD5 SHA1 SHA512 SSDEEP