Analysis
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max time kernel
149s -
max time network
108s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-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\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 Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5148545A-5141-535a-5148-545A5141535a} umsepuh.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5148545A-5141-535a-5148-545A5141535a}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" umsepuh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5148545A-5141-535a-5148-545A5141535a}\IsInstalled = "1" umsepuh.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5148545A-5141-535a-5148-545A5141535a}\StubPath = "C:\\Windows\\system32\\ounleaxar-ohex.exe" umsepuh.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\Debugger = "C:\\Windows\\system32\\ubpihin.exe" umsepuh.exe 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 -
Executes dropped EXE 2 IoCs
pid Process 3400 umsepuh.exe 4692 umsepuh.exe -
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 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 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 umsepuh.exe File opened for modification C:\Windows\SysWOW64\umsepuh.exe c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe File created 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\ubpihin.exe umsepuh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 4692 umsepuh.exe 4692 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe 3400 umsepuh.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3012 c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe Token: SeDebugPrivilege 3400 umsepuh.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3012 wrote to memory of 3400 3012 c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe 83 PID 3012 wrote to memory of 3400 3012 c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe 83 PID 3012 wrote to memory of 3400 3012 c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe 83 PID 3400 wrote to memory of 4692 3400 umsepuh.exe 84 PID 3400 wrote to memory of 4692 3400 umsepuh.exe 84 PID 3400 wrote to memory of 4692 3400 umsepuh.exe 84 PID 3400 wrote to memory of 616 3400 umsepuh.exe 5 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.exe 56 PID 3400 wrote to memory of 3496 3400 umsepuh.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:3496
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C:\Users\Admin\AppData\Local\Temp\c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe"2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012 -
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
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3400 -
C:\Windows\SysWOW64\umsepuh.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4692
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
71KB
MD5c92a2cec3b04e5c404d2f41a6745736e
SHA1209b0d545e88880a4994197da4d1a0e9ed5599b3
SHA256f7e18d43c33f2df24046fa29a365db2d8288a54b990583f6cc059503a72c7418
SHA5120d7b84ab76c6caed922481349cdff7d376c631724ccf31a58df475bc26c161ab0c16cab499bc971d23249b585c6b9784d49abee6134c976e424de8e8357579e9
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Filesize
72KB
MD590528ecd7a3427db6def21dee7109637
SHA1a449353aff494b8daea2fa0ea1c2099e991c6127
SHA256309cd7e8c3e94ee82035b4500eccb788387bf019169e1788c5663d241155b549
SHA512602623521d6c7b33a5bdf86dc78864aa52dcbca57b405b6c5d4676ffb2c75394ed4ce1ddc0835bf6965ebb97260d1a1e683824d864e52e8ce3926d654464c2fc
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Filesize
68KB
MD5c4c97d7b5ca039b3bd9a76b6ce6afc30
SHA1768bd0a16a1bbac1b555a33851df87da622f06d2
SHA25606452043bea5c42b5ccf6975bb1a552b96229984418148dcf1e1b9e95845246f
SHA512d051f8e5084f92b2c9b3c97e3b3426dce30d6b4aa413181403fdb7361de7f7043aee8858e1622e1d1fa3f468f49049adedc0e653ac697ebedb393fbee42ed5e0