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
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
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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 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} efmeasam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4E515054-544d-524d-4E51-5054544D524d}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" efmeasam.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4E515054-544d-524d-4E51-5054544D524d}\IsInstalled = "1" efmeasam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4E515054-544d-524d-4E51-5054544D524d}\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 3300 efmeasam.exe 4908 efmeasam.exe -
description ioc Process 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 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 - 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} 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" efmeasam.exe - Drops file in System32 directory 9 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\efmeasam.exe a33010021f234d019348d211e5b99160_NeikiAnalytics.exe File created C:\Windows\SysWOW64\efmeasam.exe a33010021f234d019348d211e5b99160_NeikiAnalytics.exe File opened for modification C:\Windows\SysWOW64\pberar.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\ixpiceap-ifom.exe efmeasam.exe File created C:\Windows\SysWOW64\ixpiceap-ifom.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 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 4908 efmeasam.exe 4908 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe 3300 efmeasam.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1144 a33010021f234d019348d211e5b99160_NeikiAnalytics.exe Token: SeDebugPrivilege 3300 efmeasam.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1144 wrote to memory of 3300 1144 a33010021f234d019348d211e5b99160_NeikiAnalytics.exe 83 PID 1144 wrote to memory of 3300 1144 a33010021f234d019348d211e5b99160_NeikiAnalytics.exe 83 PID 1144 wrote to memory of 3300 1144 a33010021f234d019348d211e5b99160_NeikiAnalytics.exe 83 PID 3300 wrote to memory of 612 3300 efmeasam.exe 5 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 4908 3300 efmeasam.exe 84 PID 3300 wrote to memory of 4908 3300 efmeasam.exe 84 PID 3300 wrote to memory of 4908 3300 efmeasam.exe 84 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56 PID 3300 wrote to memory of 3524 3300 efmeasam.exe 56
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\a33010021f234d019348d211e5b99160_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\a33010021f234d019348d211e5b99160_NeikiAnalytics.exe"2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1144 -
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
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Windows\SysWOW64\efmeasam.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4908
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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 7d456708e984eaca9fadd9addc719cb7574fd4883d71dc9041106cc7bf9d049f
- MD5 fda027fccff13effe0a1276877e68c26
- SHA1 5ab09f61aa70a88a8d34c624a357b36866010c2c
- SHA512 3c30d5e8bd18e974deee896c504114e823a8beb2b398ed83c6f0d2d0601b05f0b1faf6366dab030d7948e69a794c4369540ddfde06dd1736432ae3b3f054d09b
- SSDEEP 768:hZZ6Zyf9dLGInaxhPtqgeD93QSC+/MavmZ+0kBzU+0Kcjol1duCn6Q/HsssssssA:1XLG7hPFM3XCYMaOZ+TSZolh6Q/P
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\pberar.exe
- Size 73KB
- SHA256 17b8144e289d60886fce722d1c54458cc2377b172e457bd47475afdb182709ba
- MD5 09549259c2034f6d106869e2a8fcf434
- SHA1 6c6e81a1ad757dfe9385c4759d353cb3477416b6
- SHA512 f91f4d429587ae755f2aab1645bdf58113ff4e2baa5ee5901b21c4457ff13544a151a54be4512aff2fdc83213d71223e76df1f5fce18634b690c2758f5a36c6c
- SSDEEP 1536:xBoj3/OgHIerbSSuf9c/buo4iiugZb6hCPmXeu0XyxsdvDKcMc:noDvHDrbTuf9abJiugV6hyu0XyxsdvDv
- MD5 SHA1 SHA512 SSDEEP