Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13-09-2024 18:27
Static task
static1
Behavioral task
behavioral1
Sample
09d4e85c188660146fe539322aa7b3295d05a986c66a87f28606dcd18337ff8a.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
09d4e85c188660146fe539322aa7b3295d05a986c66a87f28606dcd18337ff8a.dll
Resource
win10v2004-20240802-en
General
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Target
09d4e85c188660146fe539322aa7b3295d05a986c66a87f28606dcd18337ff8a.dll
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Size
235KB
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MD5
6ee8c3de2d1da84a6e5995503adeb684
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SHA1
f19119c6fd2ea92e0c42746f35247f5e93fdadf4
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SHA256
09d4e85c188660146fe539322aa7b3295d05a986c66a87f28606dcd18337ff8a
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SHA512
9404d93282718f5e482f5f22349576353dfb2518323a285f3cf369482cbe54b8d969ae15c9f9d3a92c7026890a9cbb92efffc0bbe04f3cea60b8737048a015de
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SSDEEP
3072:tyk4RLVqf36Fjta/hHSrzMgEG1DJ42lQBV+UdE+rECWp7hKi:QZup9BV+UdvrEFp7hKi
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
Processes:
resource yara_rule behavioral1/files/0x000d000000016aa9-1.dat floxif -
Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule behavioral1/files/0x000d000000016aa9-1.dat acprotect -
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid Process 1992 regsvr32.exe -
Processes:
resource yara_rule behavioral1/files/0x000d000000016aa9-1.dat upx behavioral1/memory/1992-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1992-6-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
Processes:
regsvr32.exedescription 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.
Processes:
regsvr32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Modifies registry class 64 IoCs
Processes:
regsvr32.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{86D52E11-94A8-11D0-82AF-00C04FD5AE38}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{146E5396-3B32-49AC-901E-4C4A82FEE8C5}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{739CBF5D-5AED-49F8-AD1C-540094411664}\ProxyStubClsid32\ = "{A4A1A128-768F-41E0-BF75-E4FDDD701CBA}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F72C8D96-6DBD-11D1-A1E8-00C04FC2FBE1}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B722BCC8-4E68-101B-A2BC-00AA00404770}\NumMethods\ = "7" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3050F6DC-98B5-11CF-BB82-00AA00BDCE0B}\ProxyStubClsid32\ = "{A4A1A128-768F-41E0-BF75-E4FDDD701CBA}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4C963678-3A51-4B88-8531-98B90B6508F2}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9EC704BA-E1D4-45C5-9B59-BFAE07D9F04E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9EC704BA-E1D4-45C5-9B59-BFAE07D9F04E}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BC0EC710-A3ED-4F99-B14F-5FD59FDACEA3}\ProxyStubClsid32\ = "{A4A1A128-768F-41E0-BF75-E4FDDD701CBA}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BFD074F8-3A54-4FB3-8771-277D3E2031C5}\SynchronousInterface\ = "{41DC24D8-6B81-41C4-832C-FE172CB3A582}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0E4E1084-4290-4E24-BB44-31F0B9F9F9C4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{75CB4DB9-6DA0-4DA3-83CE-422B6A433346}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{DDEFF51C-B112-44D0-A5EB-676073FFCE9E}\ProxyStubClsid32\ = "{A4A1A128-768F-41E0-BF75-E4FDDD701CBA}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3E322340-E4A8-4292-9D52-24E5B7B08253}\ = "ILCIEThreadRef" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{02000584-947B-4FB3-ABB0-11F8C782D4DA}\NumMethods\ = "11" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EDB9EF13-045C-4C0A-808E-3294C59703B4}\ProxyStubClsid32\ = "{A4A1A128-768F-41E0-BF75-E4FDDD701CBA}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3A2F8555-8498-4DD5-BAB9-DBA681C5CF4E}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{48A98A1F-5CDD-47EE-9286-DB04A3EB7CE1}\ = "ITravelLogRecoveryData" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2D2CC27B-E2FC-4ABD-909F-D1401DA6E82F}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3050F35F-98B5-11CF-BB82-00AA00BDCE0B}\NumMethods\ = "6" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{22B6D492-0F88-11D1-BA19-00C04FD912D0}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{48A98A1F-5CDD-47EE-9286-DB04A3EB7CE1}\AsynchronousInterface\ = "{9D973E3B-F610-4F03-83D3-AED90C3237AC}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{725E61EC-59A5-4859-B516-54C71A3929A3}\NumMethods\ = "4" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A497816A-C55D-4F05-B9E3-2E0D28E77BA2}\ProxyStubClsid32\ = "{A4A1A128-768F-41E0-BF75-E4FDDD701CBA}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{DD3D809A-0D91-4C71-856D-096877D72B7A}\NumMethods\ = "4" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{09653054-DC7E-4E92-BF9A-0BC578273545}\NumMethods\ = "15" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F72C8D97-6DBD-11D1-A1E8-00C04FC2FBE1}\NumMethods\ = "8" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{33627A56-8C9A-4430-8FD1-B5F5C771AFB6}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0199568A-F46D-4B53-99F6-F637E08314B2} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6D5140C1-7436-11CE-8034-00AA006009FA}\NumMethods\ = "4" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C374CE57-E034-4327-AA86-6B5D71CE604F}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3C374A41-BAE4-11CF-BF7D-00AA006946EE}\NumMethods\ = "8" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1146E6DE-3122-4484-897C-D8226160BEFA}\SynchronousInterface regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D91B8947-F8CA-4508-A58A-2D8A49BF6111} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0ACB838F-A152-4108-AB65-06E73C92EE5F}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{73C105EE-9DFF-4A07-B83C-7EFF290C266E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A436D7D2-17C3-4EF4-A1E8-5C86FAFF26C0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9DF621C3-87C2-447C-9F34-F15D5321D423}\NumMethods\ = "12" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{DD3D809A-0D91-4C71-856D-096877D72B7A}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B4BF6DA0-BFBA-4CBF-B03A-6C55FA20AF65} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{54A8F188-9EBD-4795-AD16-9B4945119636}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3051046B-98B5-11CF-BB82-00AA00BDCE0B} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3050F361-98B5-11CF-BB82-00AA00BDCE0B}\NumMethods\ = "4" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7D0BBCCF-D991-4B95-A03D-C3F03A729FF9}\ = "IELowUtilBroker" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9DF68E2D-7484-4851-9B87-F6DDA1B8B446}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B61C454-C2A2-4685-8885-9752F9A3F28F}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F6A76981-4245-4415-8A38-D2790017AD73} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{305104A7-98B5-11CF-BB82-00AA00BDCE0B}\ProxyStubClsid32\ = "{A4A1A128-768F-41E0-BF75-E4FDDD701CBA}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{768B08BE-40A0-44BE-A52C-65211D3F93A8}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B722BCCB-4E68-101B-A2BC-00AA00404770}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EDB9EF13-045C-4C0A-808E-3294C59703B4} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3F457174-09A5-493D-A222-A2385C138A25}\NumMethods\ = "16" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B61C454-C2A2-4685-8885-9752F9A3F28F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{87CC5D04-EAFA-4833-9820-8F986530CC00} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{305104A9-98B5-11CF-BB82-00AA00BDCE0B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{48A98A1F-5CDD-47EE-9286-DB04A3EB7CE1}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{43EFC137-1403-4E73-89FC-A49FDBFC09EC}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{893D639F-BBC7-4473-8FFE-A5D198149479} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EDD019A1-DD0D-422F-9915-66E7C244BC81}\NumMethods\ = "13" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0F2D35B3-DB34-4966-BEA6-59C7CD203862}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{595611CD-13B0-47A1-9116-5B6A4F378E8B}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{25A161E8-96FB-49F5-AF56-93B4BAE5A01B}\ProxyStubClsid32\ = "{A4A1A128-768F-41E0-BF75-E4FDDD701CBA}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A4A1A128-768F-41E0-BF75-E4FDDD701CBA}\ = "PSFactoryBuffer" regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
regsvr32.exedescription pid Process Token: SeDebugPrivilege 1992 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
regsvr32.exedescription pid Process procid_target PID 1872 wrote to memory of 1992 1872 regsvr32.exe 30 PID 1872 wrote to memory of 1992 1872 regsvr32.exe 30 PID 1872 wrote to memory of 1992 1872 regsvr32.exe 30 PID 1872 wrote to memory of 1992 1872 regsvr32.exe 30 PID 1872 wrote to memory of 1992 1872 regsvr32.exe 30 PID 1872 wrote to memory of 1992 1872 regsvr32.exe 30 PID 1872 wrote to memory of 1992 1872 regsvr32.exe 30
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\09d4e85c188660146fe539322aa7b3295d05a986c66a87f28606dcd18337ff8a.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1872 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\09d4e85c188660146fe539322aa7b3295d05a986c66a87f28606dcd18337ff8a.dll2⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:1992
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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