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Analysis
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max time kernel
149s -
max time network
104s -
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, 00:37
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe
Resource
win7-20240215-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe
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Size
70KB
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MD5
7e0c11e8cf82c79e676a1114951a8eb0
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SHA1
26fbb6583a5b1249e3c884acfd3dd2278d09b5e0
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SHA256
71720f6d6cb228038a7609a19777088effed19281ad5597e7574e795a9b6e3db
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SHA512
db8b11576f853616c67854f81ded1cdc818934183073692c19e9beb9d1df9655c2b9fa6c4c87991d66638ca648f956a806d83bff1b89420f4605a4f178a9f9f5
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8n:Olg35GTslA5t3/w8n
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" iskooxop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" iskooxop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" iskooxop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" iskooxop.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\{484E4F50-4d4c-5059-484E-4F504D4C5059} iskooxop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{484E4F50-4d4c-5059-484E-4F504D4C5059}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" iskooxop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{484E4F50-4d4c-5059-484E-4F504D4C5059}\IsInstalled = "1" iskooxop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{484E4F50-4d4c-5059-484E-4F504D4C5059}\StubPath = "C:\\Windows\\system32\\immebeat-acid.exe" iskooxop.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\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" iskooxop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\olpogoad-eafid.exe" iskooxop.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe iskooxop.exe -
Executes dropped EXE 2 IoCs
pid Process 2288 iskooxop.exe 3924 iskooxop.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" iskooxop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" iskooxop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" iskooxop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" iskooxop.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}\DLLName = "C:\\Windows\\system32\\oktixat-ousat.dll" iskooxop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" iskooxop.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} iskooxop.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify iskooxop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" iskooxop.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\iskooxop.exe 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\olpogoad-eafid.exe iskooxop.exe File opened for modification C:\Windows\SysWOW64\immebeat-acid.exe iskooxop.exe File opened for modification C:\Windows\SysWOW64\oktixat-ousat.dll iskooxop.exe File opened for modification C:\Windows\SysWOW64\iskooxop.exe iskooxop.exe File opened for modification C:\Windows\SysWOW64\iskooxop.exe 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe File created C:\Windows\SysWOW64\olpogoad-eafid.exe iskooxop.exe File created C:\Windows\SysWOW64\immebeat-acid.exe iskooxop.exe File created C:\Windows\SysWOW64\oktixat-ousat.dll iskooxop.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 3924 iskooxop.exe 3924 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe 2288 iskooxop.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5032 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe Token: SeDebugPrivilege 2288 iskooxop.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 5032 wrote to memory of 2288 5032 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe 85 PID 5032 wrote to memory of 2288 5032 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe 85 PID 5032 wrote to memory of 2288 5032 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe 85 PID 2288 wrote to memory of 616 2288 iskooxop.exe 5 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3924 2288 iskooxop.exe 86 PID 2288 wrote to memory of 3924 2288 iskooxop.exe 86 PID 2288 wrote to memory of 3924 2288 iskooxop.exe 86 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57 PID 2288 wrote to memory of 3472 2288 iskooxop.exe 57
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:3472
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C:\Users\Admin\AppData\Local\Temp\7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe"2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Windows\SysWOW64\iskooxop.exe"C:\Windows\system32\iskooxop.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:2288 -
C:\Windows\SysWOW64\iskooxop.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3924
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
72KB
MD5a76f3151a56a1dc4d6196a9ae775c7cd
SHA1f02c17a095bb52acd9553e1ec6337e18f659a85e
SHA256d0b38c15bc1439ce25b225add3b15f5fefb8157efd0523356f9621402e5fca95
SHA512cec7f78fd6dffd0875acbe368ecfc73e88587fbbaba345bbecc386b50c452f21dcc32f91e69b979252757da62ab8cceeeff8298f431da0af2f12df7fd6c96f8e
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Filesize
70KB
MD57e0c11e8cf82c79e676a1114951a8eb0
SHA126fbb6583a5b1249e3c884acfd3dd2278d09b5e0
SHA25671720f6d6cb228038a7609a19777088effed19281ad5597e7574e795a9b6e3db
SHA512db8b11576f853616c67854f81ded1cdc818934183073692c19e9beb9d1df9655c2b9fa6c4c87991d66638ca648f956a806d83bff1b89420f4605a4f178a9f9f5
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
73KB
MD5ede69fa6b3c995dd89862bc551dec334
SHA1f19d2c5c49881586f17c115fe298859eb5559d75
SHA2563aa95214b6ab286a5b06d1b41df7637d65ac902f05665208075c4ba08064ad00
SHA5127eef14b760b9ca911d625679ef0dc6470046e02eb5b1b737a2be73ac9e2ed47b6a29bd217dd6036589975a656e84d63ad083508b8defe4ff816469a9f215a05d