Analysis
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max time kernel
149s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
10/05/2024, 19:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d.exe
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Size
70KB
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MD5
657c9b4cea8df48a49a661604bb1d193
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SHA1
d1256b4780cd31a1d0be6387e83cb4055aaa4a95
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SHA256
2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d
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SHA512
93b784c9e5171af162f9745a5ed7cccd544bc120c838c27f2219ab0ac7a6c259ab8c3c95b50189ef45c1c4e9e24cf2c454289e80c3e11a96c2bc23b0098cbc58
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8y:Olg35GTslA5t3/w8y
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" aknootoor-ocat.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" aknootoor-ocat.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" aknootoor-ocat.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" aknootoor-ocat.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}\IsInstalled = "1" aknootoor-ocat.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}\StubPath = "C:\\Windows\\system32\\usbepac.exe" aknootoor-ocat.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46} aknootoor-ocat.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" aknootoor-ocat.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\\irlixoor.exe" aknootoor-ocat.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe aknootoor-ocat.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" aknootoor-ocat.exe -
Executes dropped EXE 2 IoCs
pid Process 1384 aknootoor-ocat.exe 2996 aknootoor-ocat.exe -
Loads dropped DLL 3 IoCs
pid Process 1280 2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d.exe 1280 2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d.exe 1384 aknootoor-ocat.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" aknootoor-ocat.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" aknootoor-ocat.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" aknootoor-ocat.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" aknootoor-ocat.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}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" aknootoor-ocat.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\udhikok.dll" aknootoor-ocat.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" aknootoor-ocat.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} aknootoor-ocat.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify aknootoor-ocat.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\irlixoor.exe aknootoor-ocat.exe File created C:\Windows\SysWOW64\irlixoor.exe aknootoor-ocat.exe File opened for modification C:\Windows\SysWOW64\aknootoor-ocat.exe 2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d.exe File created C:\Windows\SysWOW64\aknootoor-ocat.exe 2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d.exe File opened for modification C:\Windows\SysWOW64\usbepac.exe aknootoor-ocat.exe File created C:\Windows\SysWOW64\usbepac.exe aknootoor-ocat.exe File opened for modification C:\Windows\SysWOW64\udhikok.dll aknootoor-ocat.exe File created C:\Windows\SysWOW64\udhikok.dll aknootoor-ocat.exe File opened for modification C:\Windows\SysWOW64\aknootoor-ocat.exe aknootoor-ocat.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 2996 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe 1384 aknootoor-ocat.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1280 2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d.exe Token: SeDebugPrivilege 1384 aknootoor-ocat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1280 wrote to memory of 1384 1280 2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d.exe 28 PID 1280 wrote to memory of 1384 1280 2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d.exe 28 PID 1280 wrote to memory of 1384 1280 2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d.exe 28 PID 1280 wrote to memory of 1384 1280 2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d.exe 28 PID 1384 wrote to memory of 420 1384 aknootoor-ocat.exe 5 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 2996 1384 aknootoor-ocat.exe 29 PID 1384 wrote to memory of 2996 1384 aknootoor-ocat.exe 29 PID 1384 wrote to memory of 2996 1384 aknootoor-ocat.exe 29 PID 1384 wrote to memory of 2996 1384 aknootoor-ocat.exe 29 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21 PID 1384 wrote to memory of 1176 1384 aknootoor-ocat.exe 21
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:420
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1176
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C:\Users\Admin\AppData\Local\Temp\2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d.exe"C:\Users\Admin\AppData\Local\Temp\2028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\Windows\SysWOW64\aknootoor-ocat.exe"C:\Windows\system32\aknootoor-ocat.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:1384 -
C:\Windows\SysWOW64\aknootoor-ocat.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2996
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD56065d2e2a629efba76379c674fce3940
SHA1472901e3383cb248e1828ecf5c380ba9bd4f96d0
SHA2567c159a3d7cdbc333713f711464a7c3264b2ddc0fe66a34968e73d6fc3c5bbf16
SHA512cb0682bb867813e1203e9b7fdf44e60e4aff745ee4b943b60e21f1ebda3c4d2195aebf2ec83c1232d958dee8b789bbc8c7e157540a0d213d1d232fc109533543
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
72KB
MD522c58528cfabc2d93cabfd2587cd0680
SHA1f75298d6cf7d1ac9da0c60bfb17f48febfa691b3
SHA256b118a6615de5b045f8eb16d1f5d7c06018315cc48db2f93dbf028b7162212b49
SHA51210f22e816ee5b6f3faa151acb2fe1f7004b743e0b198c75006e5deff7eb08bcfe12e8a4ea0ef7125002da2dad643bda614555dba99f34f9fbaf6e490d8e12562
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Filesize
70KB
MD5657c9b4cea8df48a49a661604bb1d193
SHA1d1256b4780cd31a1d0be6387e83cb4055aaa4a95
SHA2562028f580d4e9dffcc18ea1afd0e49c602dc4fa6d8ad6d62493def50c5f4e3e8d
SHA51293b784c9e5171af162f9745a5ed7cccd544bc120c838c27f2219ab0ac7a6c259ab8c3c95b50189ef45c1c4e9e24cf2c454289e80c3e11a96c2bc23b0098cbc58