Analysis
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max time kernel
149s -
max time network
102s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
02/05/2024, 05:59
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
fe798ba0e7058c68adeff3bb4ce8c358944841bbf2f01b6eebbbf969364a7abc.exe
Resource
win7-20240419-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
fe798ba0e7058c68adeff3bb4ce8c358944841bbf2f01b6eebbbf969364a7abc.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
fe798ba0e7058c68adeff3bb4ce8c358944841bbf2f01b6eebbbf969364a7abc.exe
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Size
70KB
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MD5
8ed5b87a1f4fe1bd514a14fdc027dd64
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SHA1
50e22ec4ecefde353d16afbb3616bf6b4947ee1b
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SHA256
fe798ba0e7058c68adeff3bb4ce8c358944841bbf2f01b6eebbbf969364a7abc
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SHA512
eae461b1ecaa2d7a006699a63c37b2bebb73ef9154f160d87721eabb43beae5d3f68c7ced65913334a114c05b33af8dc8d1b92a0aa02d8fa34c9299077bf094b
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slasA:Olg35GTslA5t3/w8nsA
Score
10/10
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" ospumoaf-easoas.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" ospumoaf-easoas.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" ospumoaf-easoas.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" ospumoaf-easoas.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\{50594457-4747-5545-5059-445747475545} ospumoaf-easoas.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{50594457-4747-5545-5059-445747475545}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" ospumoaf-easoas.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{50594457-4747-5545-5059-445747475545}\IsInstalled = "1" ospumoaf-easoas.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{50594457-4747-5545-5059-445747475545}\StubPath = "C:\\Windows\\system32\\epreatix.exe" ospumoaf-easoas.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\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" ospumoaf-easoas.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ivledas-eameab.exe" ospumoaf-easoas.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe ospumoaf-easoas.exe -
Executes dropped EXE 2 IoCs
pid Process 3496 ospumoaf-easoas.exe 4516 ospumoaf-easoas.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" ospumoaf-easoas.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" ospumoaf-easoas.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" ospumoaf-easoas.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" ospumoaf-easoas.exe -
Modifies WinLogon 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify ospumoaf-easoas.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" ospumoaf-easoas.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\irvegud.dll" ospumoaf-easoas.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" ospumoaf-easoas.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} ospumoaf-easoas.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\ospumoaf-easoas.exe fe798ba0e7058c68adeff3bb4ce8c358944841bbf2f01b6eebbbf969364a7abc.exe File opened for modification C:\Windows\SysWOW64\ivledas-eameab.exe ospumoaf-easoas.exe File opened for modification C:\Windows\SysWOW64\epreatix.exe ospumoaf-easoas.exe File opened for modification C:\Windows\SysWOW64\ospumoaf-easoas.exe fe798ba0e7058c68adeff3bb4ce8c358944841bbf2f01b6eebbbf969364a7abc.exe File created C:\Windows\SysWOW64\ivledas-eameab.exe ospumoaf-easoas.exe File created C:\Windows\SysWOW64\epreatix.exe ospumoaf-easoas.exe File opened for modification C:\Windows\SysWOW64\irvegud.dll ospumoaf-easoas.exe File created C:\Windows\SysWOW64\irvegud.dll ospumoaf-easoas.exe File opened for modification C:\Windows\SysWOW64\ospumoaf-easoas.exe ospumoaf-easoas.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 4516 ospumoaf-easoas.exe 4516 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe 3496 ospumoaf-easoas.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3976 fe798ba0e7058c68adeff3bb4ce8c358944841bbf2f01b6eebbbf969364a7abc.exe Token: SeDebugPrivilege 3496 ospumoaf-easoas.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3976 wrote to memory of 3496 3976 fe798ba0e7058c68adeff3bb4ce8c358944841bbf2f01b6eebbbf969364a7abc.exe 87 PID 3976 wrote to memory of 3496 3976 fe798ba0e7058c68adeff3bb4ce8c358944841bbf2f01b6eebbbf969364a7abc.exe 87 PID 3976 wrote to memory of 3496 3976 fe798ba0e7058c68adeff3bb4ce8c358944841bbf2f01b6eebbbf969364a7abc.exe 87 PID 3496 wrote to memory of 616 3496 ospumoaf-easoas.exe 5 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 4516 3496 ospumoaf-easoas.exe 88 PID 3496 wrote to memory of 4516 3496 ospumoaf-easoas.exe 88 PID 3496 wrote to memory of 4516 3496 ospumoaf-easoas.exe 88 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57 PID 3496 wrote to memory of 3512 3496 ospumoaf-easoas.exe 57
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:616
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3512
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C:\Users\Admin\AppData\Local\Temp\fe798ba0e7058c68adeff3bb4ce8c358944841bbf2f01b6eebbbf969364a7abc.exe"C:\Users\Admin\AppData\Local\Temp\fe798ba0e7058c68adeff3bb4ce8c358944841bbf2f01b6eebbbf969364a7abc.exe"2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3976 -
C:\Windows\SysWOW64\ospumoaf-easoas.exe"C:\Windows\system32\ospumoaf-easoas.exe"3⤵
- Windows security bypass
- Modifies Installed Components in the registry
- Sets file execution options in registry
- Executes dropped EXE
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Windows\SysWOW64\ospumoaf-easoas.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4516
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
72KB
MD5ac479e83da7080cb38ca305863cc5d7f
SHA14a243ab799d18f3302ad4185f61dfe5dbc4b3d43
SHA256ea57b23c604742e92eeb47b6cc6fbb09c3a6da987b4c3c8bcbe6226ac566b985
SHA51218d86ec6c1c41f0a066916fa2367c99cdabcaf1269186691fbc1d53ccd8a25cb5e5b85d68cabdd0f5044833ccd017e5f24ec364068dacba4ae63aad873e05108
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
73KB
MD5c42a027fa756c264d2159ad8373e0f30
SHA1d45a20fe10b9eb8410c2f9a51210c89247e8a959
SHA256214cefdf73ba537cc6a570dd2f9fecf15c8a86c36f5f265f25c1eba50065184f
SHA5122ec0dbb9b55ff4f4de791e735a50a135e1b813ba3a24b770ef06a9b911172d766c7b15fdc047eb6bdaf2a5613e3600b1c09c8a3985c3220acaa6c17cd87f5d38
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Filesize
70KB
MD58ed5b87a1f4fe1bd514a14fdc027dd64
SHA150e22ec4ecefde353d16afbb3616bf6b4947ee1b
SHA256fe798ba0e7058c68adeff3bb4ce8c358944841bbf2f01b6eebbbf969364a7abc
SHA512eae461b1ecaa2d7a006699a63c37b2bebb73ef9154f160d87721eabb43beae5d3f68c7ced65913334a114c05b33af8dc8d1b92a0aa02d8fa34c9299077bf094b