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Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
08/05/2024, 09:46
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
501e75d5d79689719552558dfa22a7c0_NEIKI.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
501e75d5d79689719552558dfa22a7c0_NEIKI.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
501e75d5d79689719552558dfa22a7c0_NEIKI.exe
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Size
70KB
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MD5
501e75d5d79689719552558dfa22a7c0
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SHA1
66d71612dd705dae316290595bc629c43da13cfc
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SHA256
72f70c10e2974c7dc542c82d36cbe6f455d9473cd38b040e3fdffd9732dc4785
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SHA512
c27b39225327d1ea1f1c922e29d1c778d3cac82bdb78e4f223a81acdc3557d1d079c03083511d79e807a93c253de238547158c32dccb1c5782291dac25d440ae
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slh:Olg35GTslA5t3/w8A
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" amnoahef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" amnoahef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" amnoahef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" amnoahef.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\{4B584950-5043-4b46-4B58-495050434b46}\StubPath = "C:\\Windows\\system32\\opxookeax.exe" amnoahef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46} amnoahef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" amnoahef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}\IsInstalled = "1" amnoahef.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 amnoahef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" amnoahef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\actufit-idur.exe" amnoahef.exe -
Executes dropped EXE 2 IoCs
pid Process 1748 amnoahef.exe 2972 amnoahef.exe -
Loads dropped DLL 3 IoCs
pid Process 2020 501e75d5d79689719552558dfa22a7c0_NEIKI.exe 2020 501e75d5d79689719552558dfa22a7c0_NEIKI.exe 1748 amnoahef.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" amnoahef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" amnoahef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" amnoahef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" amnoahef.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} amnoahef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify amnoahef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" amnoahef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\oucfomut-egur.dll" amnoahef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" amnoahef.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\actufit-idur.exe amnoahef.exe File created C:\Windows\SysWOW64\opxookeax.exe amnoahef.exe File created C:\Windows\SysWOW64\oucfomut-egur.dll amnoahef.exe File opened for modification C:\Windows\SysWOW64\actufit-idur.exe amnoahef.exe File created C:\Windows\SysWOW64\amnoahef.exe 501e75d5d79689719552558dfa22a7c0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\opxookeax.exe amnoahef.exe File opened for modification C:\Windows\SysWOW64\oucfomut-egur.dll amnoahef.exe File opened for modification C:\Windows\SysWOW64\amnoahef.exe amnoahef.exe File opened for modification C:\Windows\SysWOW64\amnoahef.exe 501e75d5d79689719552558dfa22a7c0_NEIKI.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 2972 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe 1748 amnoahef.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2020 501e75d5d79689719552558dfa22a7c0_NEIKI.exe Token: SeDebugPrivilege 1748 amnoahef.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2020 wrote to memory of 1748 2020 501e75d5d79689719552558dfa22a7c0_NEIKI.exe 28 PID 2020 wrote to memory of 1748 2020 501e75d5d79689719552558dfa22a7c0_NEIKI.exe 28 PID 2020 wrote to memory of 1748 2020 501e75d5d79689719552558dfa22a7c0_NEIKI.exe 28 PID 2020 wrote to memory of 1748 2020 501e75d5d79689719552558dfa22a7c0_NEIKI.exe 28 PID 1748 wrote to memory of 424 1748 amnoahef.exe 5 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 2972 1748 amnoahef.exe 29 PID 1748 wrote to memory of 2972 1748 amnoahef.exe 29 PID 1748 wrote to memory of 2972 1748 amnoahef.exe 29 PID 1748 wrote to memory of 2972 1748 amnoahef.exe 29 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21 PID 1748 wrote to memory of 1200 1748 amnoahef.exe 21
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:424
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1200
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C:\Users\Admin\AppData\Local\Temp\501e75d5d79689719552558dfa22a7c0_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\501e75d5d79689719552558dfa22a7c0_NEIKI.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\SysWOW64\amnoahef.exe"C:\Windows\system32\amnoahef.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:1748 -
C:\Windows\SysWOW64\amnoahef.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2972
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD5387355264b02db82eab47b8764b71b31
SHA1e50531b369d1f18d13b49fd1a637badf9c9c87c4
SHA256459d61df462ce9c35507f96944bc745a2cd459dc76841f6a1cf7dfc423b94bcb
SHA512702a75723a715d7f724e13ddaf5a84623242c530445c8026cb072d0d209cbe1e3a8bc5d8cbf2b3bdb1cbe0d78871d9af4cc6683cf3ab7a7794ef5a8abffdadef
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Filesize
73KB
MD53fad1713094ff57d1ae66d6e827160d8
SHA1e5552a5a1595242923f9f7200296f3b2320233bd
SHA256f926e05a1cb03c539c0093749efb72dccde9a1aeba000e4d113c9dc2256c02e4
SHA51227d223cd1bf5465c6a670f93229f3cd52149a2b12d5a1fad084b285cbc0ef0245ac422661a596bbaadbb7cdd69a853bfe5cb3c9782d8fb8f79ddd9a0d6599266
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
70KB
MD5501e75d5d79689719552558dfa22a7c0
SHA166d71612dd705dae316290595bc629c43da13cfc
SHA25672f70c10e2974c7dc542c82d36cbe6f455d9473cd38b040e3fdffd9732dc4785
SHA512c27b39225327d1ea1f1c922e29d1c778d3cac82bdb78e4f223a81acdc3557d1d079c03083511d79e807a93c253de238547158c32dccb1c5782291dac25d440ae