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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
08/05/2024, 13:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe
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Size
68KB
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MD5
c4c97d7b5ca039b3bd9a76b6ce6afc30
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SHA1
768bd0a16a1bbac1b555a33851df87da622f06d2
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SHA256
06452043bea5c42b5ccf6975bb1a552b96229984418148dcf1e1b9e95845246f
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SHA512
d051f8e5084f92b2c9b3c97e3b3426dce30d6b4aa413181403fdb7361de7f7043aee8858e1622e1d1fa3f468f49049adedc0e653ac697ebedb393fbee42ed5e0
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8hJ:Olg35GTslA5t3/w8hJ
Score
10/10
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" umsepuh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" umsepuh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" umsepuh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" umsepuh.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" umsepuh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}\IsInstalled = "1" umsepuh.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}\StubPath = "C:\\Windows\\system32\\ounleaxar-ohex.exe" umsepuh.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245} umsepuh.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 umsepuh.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" umsepuh.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ubpihin.exe" umsepuh.exe -
Executes dropped EXE 2 IoCs
pid Process 2848 umsepuh.exe 2580 umsepuh.exe -
Loads dropped DLL 3 IoCs
pid Process 2304 c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe 2304 c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe 2848 umsepuh.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" umsepuh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" umsepuh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" umsepuh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" umsepuh.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} umsepuh.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify umsepuh.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" umsepuh.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\epkurov-aced.dll" umsepuh.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" umsepuh.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\umsepuh.exe c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe File created C:\Windows\SysWOW64\ubpihin.exe umsepuh.exe File opened for modification C:\Windows\SysWOW64\ounleaxar-ohex.exe umsepuh.exe File created C:\Windows\SysWOW64\ounleaxar-ohex.exe umsepuh.exe File opened for modification C:\Windows\SysWOW64\umsepuh.exe c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe File opened for modification C:\Windows\SysWOW64\ubpihin.exe umsepuh.exe File opened for modification C:\Windows\SysWOW64\epkurov-aced.dll umsepuh.exe File created C:\Windows\SysWOW64\epkurov-aced.dll umsepuh.exe File opened for modification C:\Windows\SysWOW64\umsepuh.exe umsepuh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2580 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe 2848 umsepuh.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2304 c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe Token: SeDebugPrivilege 2848 umsepuh.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2304 wrote to memory of 2848 2304 c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe 28 PID 2304 wrote to memory of 2848 2304 c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe 28 PID 2304 wrote to memory of 2848 2304 c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe 28 PID 2304 wrote to memory of 2848 2304 c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe 28 PID 2848 wrote to memory of 432 2848 umsepuh.exe 5 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 2580 2848 umsepuh.exe 29 PID 2848 wrote to memory of 2580 2848 umsepuh.exe 29 PID 2848 wrote to memory of 2580 2848 umsepuh.exe 29 PID 2848 wrote to memory of 2580 2848 umsepuh.exe 29 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21 PID 2848 wrote to memory of 1256 2848 umsepuh.exe 21
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:432
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1256
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C:\Users\Admin\AppData\Local\Temp\c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Windows\SysWOW64\umsepuh.exe"C:\Windows\system32\umsepuh.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:2848 -
C:\Windows\SysWOW64\umsepuh.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2580
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
71KB
MD5ed0b717c92c55e7d7cd5a08a832976b0
SHA14b58191ef405899a2cc73fa4a9aabd904f1768cc
SHA256fabdeb7388da076624bd809659a0e6c59a184753618787a49bfe9cfc0f204a19
SHA512ce351f0e89a6741cb6eec73b578151e309d0f90ae82a7908865a8fb75e099230c79c79142f4d67463fb76180baa7145152dde83ed1178fe972f123b98e498b41
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Filesize
72KB
MD59db01cc06e991e0a3f4982ea6c35987e
SHA14d9c767e9fa3925e482cbad2ff6f16c13599414d
SHA256c68e7eb14584be0ed10b3d2965ede2b5c2cc27cd599fd9f456667a1f8cd5842a
SHA5129cde80cfbdd534b5f5d15a10badd9a8c9223ae4e6660ad28e41a465e5141d771d85f99905d99c8a941964da97a5b87a984bff8ef3a97cf8b7ffc0a6b05624642
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Filesize
68KB
MD5c4c97d7b5ca039b3bd9a76b6ce6afc30
SHA1768bd0a16a1bbac1b555a33851df87da622f06d2
SHA25606452043bea5c42b5ccf6975bb1a552b96229984418148dcf1e1b9e95845246f
SHA512d051f8e5084f92b2c9b3c97e3b3426dce30d6b4aa413181403fdb7361de7f7043aee8858e1622e1d1fa3f468f49049adedc0e653ac697ebedb393fbee42ed5e0