Analysis
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max time kernel
14s -
max time network
47s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
10-12-2020 01:51
Static task
static1
Behavioral task
behavioral1
Sample
ordain,12.20.doc
Resource
win7v20201028
Behavioral task
behavioral2
Sample
ordain,12.20.doc
Resource
win10v20201028
General
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Target
ordain,12.20.doc
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Size
90KB
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MD5
3415af9a57cbcbf2e3a18e7dc021f2ef
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SHA1
3f45ea6dd0d5108f3d4697a0cc368f7f210d14d4
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SHA256
fb78f78b3a35febc164afbacc6eb2c1a9579555940a8427ffc44706aee4bfd5e
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SHA512
6428a0ad3db00469d9e68e07f89bbfc9068cc3189147abaf5d15f8e934af2414e4cf367557da571602eb0f31d654a75e206a03984ba674030bdd98851c5affd1
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 2704 3992 rundll32.exe WINWORD.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
mshta.exeflow pid process 12 3684 mshta.exe -
Downloads MZ/PE file
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Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 2148 rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Modifies registry class 1 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 3992 WINWORD.EXE 3992 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 17 IoCs
Processes:
WINWORD.EXEpid process 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE 3992 WINWORD.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
WINWORD.EXErundll32.exemshta.exedescription pid process target process PID 3992 wrote to memory of 2704 3992 WINWORD.EXE rundll32.exe PID 3992 wrote to memory of 2704 3992 WINWORD.EXE rundll32.exe PID 2704 wrote to memory of 3684 2704 rundll32.exe mshta.exe PID 2704 wrote to memory of 3684 2704 rundll32.exe mshta.exe PID 2704 wrote to memory of 3684 2704 rundll32.exe mshta.exe PID 3684 wrote to memory of 2148 3684 mshta.exe rundll32.exe PID 3684 wrote to memory of 2148 3684 mshta.exe rundll32.exe PID 3684 wrote to memory of 2148 3684 mshta.exe rundll32.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\ordain,12.20.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" url.dll,OpenURL c:\users\public\index.hta2⤵
- Process spawned unexpected child process
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\index.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" c:\programdata\aBTxr.pdf,ShowDialogA -r4⤵
- Loads dropped DLL
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\users\public\index.htaMD5
7133458a8c80e91cf445e8f89a91a61f
SHA1e036f155512bfa8042f5c23b8e8173de3c268990
SHA256efa914508cc1201908007b7de441113d8becf5d2a5ba45383909fd5720da1563
SHA512b879adcfc7c4a420f7f489529f815dab449539fe3c2498da365f6e941fe61600bc11ad2fbc5bb4756f075e8ace71759cd8ef8061fe306701d5110840a2ee0cb0
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\??\c:\programdata\aBTxr.pdfMD5
37d193d6a780432703ccf5d04a25f825
SHA1eb34bd57e8770d33c0247ebe547ecda8c7138e3f
SHA256e4e53017fb1dd41fce235e1016d059620668fea6210cb600bb1ba437bec2a659
SHA512ab990182c9bb6abed8f68873b2c26526c51faf221bb4ffef834692f47dce9ee636c3bf8ddf4d89fa994341dda41b7a2ca88d714de66cd50bf64188e4abe0ffd1
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\ProgramData\aBTxr.pdfMD5
37d193d6a780432703ccf5d04a25f825
SHA1eb34bd57e8770d33c0247ebe547ecda8c7138e3f
SHA256e4e53017fb1dd41fce235e1016d059620668fea6210cb600bb1ba437bec2a659
SHA512ab990182c9bb6abed8f68873b2c26526c51faf221bb4ffef834692f47dce9ee636c3bf8ddf4d89fa994341dda41b7a2ca88d714de66cd50bf64188e4abe0ffd1
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memory/2148-9-0x0000000000000000-mapping.dmp
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memory/2704-6-0x0000000000000000-mapping.dmp
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memory/3684-8-0x0000000000000000-mapping.dmp
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memory/3992-2-0x00007FFCBBE50000-0x00007FFCBC487000-memory.dmpFilesize
6.2MB
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memory/3992-3-0x000002C815A0B000-0x000002C815A0D000-memory.dmpFilesize
8KB
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memory/3992-4-0x000002C815A0D000-0x000002C815A12000-memory.dmpFilesize
20KB
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memory/3992-5-0x000002C815A0D000-0x000002C815A12000-memory.dmpFilesize
20KB