Analysis
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max time kernel
149s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
17/05/2024, 14:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b7e2f51031b66bf4305a8b9955caaa36.exe
Resource
win7-20240215-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
b7e2f51031b66bf4305a8b9955caaa36.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
b7e2f51031b66bf4305a8b9955caaa36.exe
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Size
71KB
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MD5
b7e2f51031b66bf4305a8b9955caaa36
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SHA1
4df2f8c5fd0d12a93de5b16f15d08c663615b9b6
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SHA256
5a695e38fea044ea09564ebfbbe6eae0d29e840cea2fe2769f0aefe4194562a7
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SHA512
89020c3a0955a46e80f1d544921360239732194a48362967146b24ad1f3fede77d44ce69192f16c8154c5f6fe6d457752606fb4354b2e91d7c92581c42093bcc
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slR:Olg35GTslA5t3/w8E
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" proaxib.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" proaxib.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" proaxib.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" proaxib.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\{4748505A-5247-4643-4748-505A52474643} proaxib.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4748505A-5247-4643-4748-505A52474643}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" proaxib.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4748505A-5247-4643-4748-505A52474643}\IsInstalled = "1" proaxib.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4748505A-5247-4643-4748-505A52474643}\StubPath = "C:\\Windows\\system32\\akcoahooh.exe" proaxib.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\\nfoarex-ofex.exe" proaxib.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe proaxib.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" proaxib.exe -
Executes dropped EXE 2 IoCs
pid Process 2260 proaxib.exe 2700 proaxib.exe -
Loads dropped DLL 3 IoCs
pid Process 2272 b7e2f51031b66bf4305a8b9955caaa36.exe 2272 b7e2f51031b66bf4305a8b9955caaa36.exe 2260 proaxib.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" proaxib.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" proaxib.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" proaxib.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" proaxib.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} proaxib.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify proaxib.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" proaxib.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\ouvfabor.dll" proaxib.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" proaxib.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\proaxib.exe b7e2f51031b66bf4305a8b9955caaa36.exe File opened for modification C:\Windows\SysWOW64\nfoarex-ofex.exe proaxib.exe File opened for modification C:\Windows\SysWOW64\ouvfabor.dll proaxib.exe File created C:\Windows\SysWOW64\ouvfabor.dll proaxib.exe File opened for modification C:\Windows\SysWOW64\proaxib.exe b7e2f51031b66bf4305a8b9955caaa36.exe File created C:\Windows\SysWOW64\nfoarex-ofex.exe proaxib.exe File opened for modification C:\Windows\SysWOW64\akcoahooh.exe proaxib.exe File created C:\Windows\SysWOW64\akcoahooh.exe proaxib.exe File opened for modification C:\Windows\SysWOW64\proaxib.exe proaxib.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2700 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe 2260 proaxib.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2272 b7e2f51031b66bf4305a8b9955caaa36.exe Token: SeDebugPrivilege 2260 proaxib.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2272 wrote to memory of 2260 2272 b7e2f51031b66bf4305a8b9955caaa36.exe 28 PID 2272 wrote to memory of 2260 2272 b7e2f51031b66bf4305a8b9955caaa36.exe 28 PID 2272 wrote to memory of 2260 2272 b7e2f51031b66bf4305a8b9955caaa36.exe 28 PID 2272 wrote to memory of 2260 2272 b7e2f51031b66bf4305a8b9955caaa36.exe 28 PID 2260 wrote to memory of 436 2260 proaxib.exe 5 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 2700 2260 proaxib.exe 29 PID 2260 wrote to memory of 2700 2260 proaxib.exe 29 PID 2260 wrote to memory of 2700 2260 proaxib.exe 29 PID 2260 wrote to memory of 2700 2260 proaxib.exe 29 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18 PID 2260 wrote to memory of 1092 2260 proaxib.exe 18
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:1092
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C:\Users\Admin\AppData\Local\Temp\b7e2f51031b66bf4305a8b9955caaa36.exe"C:\Users\Admin\AppData\Local\Temp\b7e2f51031b66bf4305a8b9955caaa36.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Windows\SysWOW64\proaxib.exe"C:\Windows\system32\proaxib.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:2260 -
C:\Windows\SysWOW64\proaxib.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2700
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD55817debb8a49d990bfc2e0ded572611e
SHA10d5825c9f3e05573d20968eac6dca1c3870fe947
SHA256e39f0cd53471306fb4146152646a0dac341480caa3d7ffce1b0fa3822d1f8025
SHA512b69b3526517346caaf8d45f2d457a15320e24f5d98346343c698be3980cfff177af703046560d5147307a2dc78e6ecb1795b50980e32a069b04ef31deebe890e
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Filesize
74KB
MD5dc446687c02ef68c017398e203532a5a
SHA14218d12cd38c04d2dbfc27bbba74fb898aa55802
SHA256cbdb70573f509a36f79bd528b556adb170eb780eecd25a07529450242805e747
SHA51238b60ed8c00e8db5c7a71b3022ef4b6aebd2a131b9dbeb5accffbe747cea0955df25066f9b6fa0bb44acd7708b6ca5c677103401d8ef212ba20237801eb58bab
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
71KB
MD5b7e2f51031b66bf4305a8b9955caaa36
SHA14df2f8c5fd0d12a93de5b16f15d08c663615b9b6
SHA2565a695e38fea044ea09564ebfbbe6eae0d29e840cea2fe2769f0aefe4194562a7
SHA51289020c3a0955a46e80f1d544921360239732194a48362967146b24ad1f3fede77d44ce69192f16c8154c5f6fe6d457752606fb4354b2e91d7c92581c42093bcc