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Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2024, 09:14
Static task
static1
Behavioral task
behavioral1
Sample
08282bf480bc42a409c74d8d2c27dbf1840def907f92892f17d5fe1ca7e3b739N.dll
Resource
win7-20240708-en
General
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Target
08282bf480bc42a409c74d8d2c27dbf1840def907f92892f17d5fe1ca7e3b739N.dll
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Size
135KB
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MD5
054a929198d8e58b89915c5a6bb5a050
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SHA1
047e8dcabd4b7dc337648d161c4cc26b954c37b0
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SHA256
08282bf480bc42a409c74d8d2c27dbf1840def907f92892f17d5fe1ca7e3b739
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SHA512
c55978c736adec445242a6146b3b3b959473017af1c0b3f89e6d4596d47986b4f1c5383b5757ecfd79d8d82f02846d1d87a5f39c9713f635a73c0e6e85f231a2
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SSDEEP
3072:uiC/82anJKoFmdPvhrN2lQBV+UdE+rECWp7hKRx:uD8rJjmdPvvBV+UdvrEFp7hKv
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x0008000000023c7a-3.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0008000000023c7a-3.dat acprotect -
Loads dropped DLL 2 IoCs
pid Process 3884 regsvr32.exe 3884 regsvr32.exe -
resource yara_rule behavioral2/memory/3884-7-0x0000000001640000-0x0000000001670000-memory.dmp upx behavioral2/files/0x0008000000023c7a-3.dat upx behavioral2/memory/3884-8-0x0000000001640000-0x0000000001670000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll regsvr32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Modifies registry class 62 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\UltraISO\shellex\ContextMenuHandlers\ISOShell\ = "{AD392E40-428C-459F-961E-9B147782D099}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu\CLSID\ = "{AD392E40-428C-459F-961E-9B147782D099}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\ = "ISOShell 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\ = "IUIContextMenu" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\VersionIndependentProgID\ = "ISOShell.UIContextMenu" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\binimage\shellex regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu\ = "UIContextMenu Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\TypeLib\ = "{1CD46142-F3D3-4E46-87BA-7CC019142F9D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\08282bf480bc42a409c74d8d2c27dbf1840def907f92892f17d5fe1ca7e3b739N.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\TypeLib\ = "{1CD46142-F3D3-4E46-87BA-7CC019142F9D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\UltraISO\ = "{AD392E40-428C-459F-961E-9B147782D099}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu.1\ = "UIContextMenu Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\UltraISO regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\ProgID\ = "ISOShell.UIContextMenu.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\UltraISO\ = "{AD392E40-428C-459F-961E-9B147782D099}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\UltraISO\shellex\ContextMenuHandlers regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\binimage\shellex\ContextMenuHandlers\ISOShell regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\ContextMenuHandlers\UltraISO regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\ContextMenuHandlers\UltraISO\ = "{AD392E40-428C-459F-961E-9B147782D099}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\binimage\shellex\ContextMenuHandlers regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\ = "UIContextMenu Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\TypeLib\ = "{1CD46142-F3D3-4E46-87BA-7CC019142F9D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\UltraISO regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\UltraISO\shellex\ContextMenuHandlers\ISOShell regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu\CurVer\ = "ISOShell.UIContextMenu.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\UltraISO\shellex regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\UltraISO regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\binimage regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\binimage\shellex\ContextMenuHandlers\ISOShell\ = "{AD392E40-428C-459F-961E-9B147782D099}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\ = "IUIContextMenu" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu.1\CLSID\ = "{AD392E40-428C-459F-961E-9B147782D099}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\08282bf480bc42a409c74d8d2c27dbf1840def907f92892f17d5fe1ca7e3b739N.dll" regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3884 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2732 wrote to memory of 3884 2732 regsvr32.exe 83 PID 2732 wrote to memory of 3884 2732 regsvr32.exe 83 PID 2732 wrote to memory of 3884 2732 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\08282bf480bc42a409c74d8d2c27dbf1840def907f92892f17d5fe1ca7e3b739N.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\08282bf480bc42a409c74d8d2c27dbf1840def907f92892f17d5fe1ca7e3b739N.dll2⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:3884
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab