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Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-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\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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" iskooxop.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\{4748505A-5247-4643-4748-505A52474643}\StubPath = "C:\\Windows\\system32\\immebeat-acid.exe" iskooxop.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4748505A-5247-4643-4748-505A52474643} iskooxop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4748505A-5247-4643-4748-505A52474643}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" iskooxop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4748505A-5247-4643-4748-505A52474643}\IsInstalled = "1" iskooxop.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 iskooxop.exe 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 -
Executes dropped EXE 2 IoCs
pid Process 2800 iskooxop.exe 2548 iskooxop.exe -
Loads dropped DLL 3 IoCs
pid Process 2488 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe 2488 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe 2800 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 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 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 -
Drops file in System32 directory 9 IoCs
description ioc Process 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 created C:\Windows\SysWOW64\oktixat-ousat.dll iskooxop.exe File opened for modification C:\Windows\SysWOW64\iskooxop.exe iskooxop.exe File created C:\Windows\SysWOW64\immebeat-acid.exe iskooxop.exe File opened for modification C:\Windows\SysWOW64\iskooxop.exe 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe File created C:\Windows\SysWOW64\iskooxop.exe 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe File opened for modification C:\Windows\SysWOW64\olpogoad-eafid.exe iskooxop.exe File created C:\Windows\SysWOW64\olpogoad-eafid.exe iskooxop.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2548 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe 2800 iskooxop.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2488 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe Token: SeDebugPrivilege 2800 iskooxop.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2488 wrote to memory of 2800 2488 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe 28 PID 2488 wrote to memory of 2800 2488 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe 28 PID 2488 wrote to memory of 2800 2488 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe 28 PID 2488 wrote to memory of 2800 2488 7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe 28 PID 2800 wrote to memory of 436 2800 iskooxop.exe 5 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 2548 2800 iskooxop.exe 29 PID 2800 wrote to memory of 2548 2800 iskooxop.exe 29 PID 2800 wrote to memory of 2548 2800 iskooxop.exe 29 PID 2800 wrote to memory of 2548 2800 iskooxop.exe 29 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20 PID 2800 wrote to memory of 1132 2800 iskooxop.exe 20
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:436
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1132
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C:\Users\Admin\AppData\Local\Temp\7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\7e0c11e8cf82c79e676a1114951a8eb0_NEIKI.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2488 -
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
- 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:2800 -
C:\Windows\SysWOW64\iskooxop.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2548
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
72KB
MD5f3681ed4c31ca7a2c04106141d7b9af7
SHA1841214dd38e26d124904b93a1984aa9f13092b23
SHA256d5e0185d963327bbf4db40bce6237731ee10cbeea791e9341022a03fce514693
SHA512f58f212bcd66bde022a8ffe56ceef55e77ad8a525ca7bc95bb8a5c54c62ebd7a7334cae5e073c111478349d9e45f7ea6a83fe120f63fcbf64abab795ceb1d8fb
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
73KB
MD56b5a11f67bfc2f6bb0a478dfd994b6dd
SHA1e36933980d65476e37dac8d97915219f52e1ab09
SHA25698eef923664f17c975ea708c649f0fa552c1c5a76c0d8b504e870ff388888e0d
SHA5125d9ed6e57ce115823f66e1c41c069265b361eb9a38954b7ac062dd04dd91f384a0a50a9236a4114a5e307ea92f9a4301537ab9c5908387acf88db0ec4776f669
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Filesize
70KB
MD57e0c11e8cf82c79e676a1114951a8eb0
SHA126fbb6583a5b1249e3c884acfd3dd2278d09b5e0
SHA25671720f6d6cb228038a7609a19777088effed19281ad5597e7574e795a9b6e3db
SHA512db8b11576f853616c67854f81ded1cdc818934183073692c19e9beb9d1df9655c2b9fa6c4c87991d66638ca648f956a806d83bff1b89420f4605a4f178a9f9f5