Analysis
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max time kernel
37s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
19-09-2024 17:07
Behavioral task
behavioral1
Sample
classes.dex
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
classes.dex
Resource
win10v2004-20240802-en
General
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Target
classes.dex
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Size
498KB
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MD5
b2f1dd31ff6ac8b464db76f3340baf12
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SHA1
a7b1e09107a72de70e470e0f0139645770d20092
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SHA256
a6f5221b8381a00d91cc282039e0e05553333734967ebed8738f3239dd265ad2
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SHA512
6be85f3456e891af886e6a30cf46dd07257f6cdfc579e4f1ffbbed6a591107e12793bac3910a2b8415eb6b047aec90688523360d3ca54b542d19e1120961d359
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SSDEEP
6144:r/LBWJHcQW7F0iLSu4Xk017Y42VCo4vFIjNWlzV6Yo5Sot7q7Q/sb:d9SXV7qCobNWFgt5Sot7h/I
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 AcroRd32.exe -
Modifies registry class 40 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\dex_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\dex_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\dex_auto_file\shell\Read\command rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9} AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Sort = 000000000000000000000000000000000200000030f125b7ef471a10a5f102608c9eebac0a0000000100000030f125b7ef471a10a5f102608c9eebac0e000000ffffffff AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000 AcroRd32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\TV_FolderType = "{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}" AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy AcroRd32.exe Set value (int) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1" AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags AcroRd32.exe Set value (int) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\TV_TopViewVersion = "0" AcroRd32.exe Set value (int) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1092616193" AcroRd32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\dex_auto_file\ rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC} AcroRd32.exe Set value (int) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\IconSize = "16" AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\dex_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\dex_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 AcroRd32.exe Set value (int) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Mode = "4" AcroRd32.exe Set value (int) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\LogicalViewMode = "1" AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.dex rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 AcroRd32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.dex\ = "dex_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 9e0000001a00eebbfe23000010007db10d7bd29c934a973346cc89022e7c00002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020002a0000000000efbe7e47b3fbe4c93b4ba2bad3f5d3cd46f98207ba827a5b6945b5d7ec83085f08cc20002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020000000 AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff AcroRd32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}" AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2864 AcroRd32.exe 2864 AcroRd32.exe 2864 AcroRd32.exe 2864 AcroRd32.exe 2864 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2568 wrote to memory of 2324 2568 cmd.exe 31 PID 2568 wrote to memory of 2324 2568 cmd.exe 31 PID 2568 wrote to memory of 2324 2568 cmd.exe 31 PID 2324 wrote to memory of 2864 2324 rundll32.exe 32 PID 2324 wrote to memory of 2864 2324 rundll32.exe 32 PID 2324 wrote to memory of 2864 2324 rundll32.exe 32 PID 2324 wrote to memory of 2864 2324 rundll32.exe 32
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\classes.dex1⤵
- Suspicious use of WriteProcessMemory
PID:2568 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\classes.dex2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2324 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\classes.dex"3⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2864
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5c93d802591f27a8a95708568c38b3dd6
SHA10a74ee79bcc2158cb9b6483c5337fc0a50565d86
SHA2564489d107a57449ea2f96be765620932558d080ea15c0a49c167e97fc8df55c3b
SHA5127350f837e281aa9edf7b1f0327860e24f0b3d98e8dbbbc1ec77dcf9837f81810b0580b01c595e8b204a903f6258a7bac5b634ec95f00fea9ac13a7c1eee0fc69