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Analysis
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max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
13/06/2024, 19:52
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe
Resource
win10v2004-20240611-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe
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Size
71KB
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MD5
b081ee26846da956a02d43dbaa64fa15
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SHA1
56e833e96abfc697be3dc61f6649be0c06493dc6
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SHA256
181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0
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SHA512
4750e62adc39dfcd72ac45bb48ae3e1141baa4474e83d103c017a9b0e8dc3632d8d68c1bd87b5cd99e193dd77f9759a45be736c4b63529386e6ced086bf5bea3
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8da:Olg35GTslA5t3/w8c
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" ebfucoan-easor.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" ebfucoan-easor.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" ebfucoan-easor.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" ebfucoan-easor.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\{484B554C-4249-4255-484B-554C42494255} ebfucoan-easor.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{484B554C-4249-4255-484B-554C42494255}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" ebfucoan-easor.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{484B554C-4249-4255-484B-554C42494255}\IsInstalled = "1" ebfucoan-easor.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{484B554C-4249-4255-484B-554C42494255}\StubPath = "C:\\Windows\\system32\\inxikuc.exe" ebfucoan-easor.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 ebfucoan-easor.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" ebfucoan-easor.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\umkisix-ixid.exe" ebfucoan-easor.exe -
Executes dropped EXE 2 IoCs
pid Process 1856 ebfucoan-easor.exe 2508 ebfucoan-easor.exe -
Loads dropped DLL 3 IoCs
pid Process 1640 181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe 1640 181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe 1856 ebfucoan-easor.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" ebfucoan-easor.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" ebfucoan-easor.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" ebfucoan-easor.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" ebfucoan-easor.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} ebfucoan-easor.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify ebfucoan-easor.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" ebfucoan-easor.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\oulnukoot-igix.dll" ebfucoan-easor.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" ebfucoan-easor.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\oulnukoot-igix.dll ebfucoan-easor.exe File opened for modification C:\Windows\SysWOW64\ebfucoan-easor.exe ebfucoan-easor.exe File created C:\Windows\SysWOW64\umkisix-ixid.exe ebfucoan-easor.exe File created C:\Windows\SysWOW64\ebfucoan-easor.exe 181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe File opened for modification C:\Windows\SysWOW64\umkisix-ixid.exe ebfucoan-easor.exe File opened for modification C:\Windows\SysWOW64\inxikuc.exe ebfucoan-easor.exe File created C:\Windows\SysWOW64\inxikuc.exe ebfucoan-easor.exe File created C:\Windows\SysWOW64\oulnukoot-igix.dll ebfucoan-easor.exe File opened for modification C:\Windows\SysWOW64\ebfucoan-easor.exe 181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 2508 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe 1856 ebfucoan-easor.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1640 181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe Token: SeDebugPrivilege 1856 ebfucoan-easor.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1640 wrote to memory of 1856 1640 181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe 28 PID 1640 wrote to memory of 1856 1640 181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe 28 PID 1640 wrote to memory of 1856 1640 181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe 28 PID 1640 wrote to memory of 1856 1640 181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe 28 PID 1856 wrote to memory of 436 1856 ebfucoan-easor.exe 5 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 2508 1856 ebfucoan-easor.exe 29 PID 1856 wrote to memory of 2508 1856 ebfucoan-easor.exe 29 PID 1856 wrote to memory of 2508 1856 ebfucoan-easor.exe 29 PID 1856 wrote to memory of 2508 1856 ebfucoan-easor.exe 29 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21 PID 1856 wrote to memory of 1192 1856 ebfucoan-easor.exe 21
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:1192
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C:\Users\Admin\AppData\Local\Temp\181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe"C:\Users\Admin\AppData\Local\Temp\181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Windows\SysWOW64\ebfucoan-easor.exe"C:\Windows\system32\ebfucoan-easor.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:1856 -
C:\Windows\SysWOW64\ebfucoan-easor.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2508
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD58ee564f1ece7e280eb67e12821eeaf54
SHA1c681255c6f1542082f56a6d235eba9f5d6e72cce
SHA256465ab4079d04ab5e8ff1b3c9c0bad075a1223f746bd1ac63e0f52e4d1e8e19fe
SHA512c4ec50616b54cb5375b3deaa5cabbf21592e1e766e665553826878675899e27eb52883664102f8eb00578a07a307663c0d13f9b5ad76d671b701ea14f1df9f92
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
74KB
MD5bc178cf5b06ce28b69d4f51d7d5eaa64
SHA1be7c761ee86df4f3ac4291be2a58aec6cf8bc811
SHA256bf605e8b9645ea7236eb7a2f452ccfd79c9b636c262288f24c67c378e844d6e8
SHA512cfd7b6306e32d3dfdbd49394fdb0909473cc9151bb475dcc5837a2db00f088a7e8575bea246b04d40d6c1fc95b72d4288b18cce2b84144300c64e2bbcf37cc51
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Filesize
71KB
MD5b081ee26846da956a02d43dbaa64fa15
SHA156e833e96abfc697be3dc61f6649be0c06493dc6
SHA256181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0
SHA5124750e62adc39dfcd72ac45bb48ae3e1141baa4474e83d103c017a9b0e8dc3632d8d68c1bd87b5cd99e193dd77f9759a45be736c4b63529386e6ced086bf5bea3