Analysis
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max time kernel
121s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
12-06-2024 11:33
Static task
static1
Behavioral task
behavioral1
Sample
BadRabbit.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
BadRabbit.exe
Resource
win10v2004-20240611-en
General
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Target
BadRabbit.exe
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Size
431KB
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MD5
fbbdc39af1139aebba4da004475e8839
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SHA1
de5c8d858e6e41da715dca1c019df0bfb92d32c0
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SHA256
630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da
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SHA512
74eca8c01de215b33d5ceea1fda3f3bef96b513f58a750dba04b0de36f7ef4f7846a6431d52879ca0d8641bfd504d4721a9a96fa2e18c6888fd67fa77686af87
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SSDEEP
12288:BHNTywFAvN86pLbqWRKHZKfErrZJyZ0yqsGO3XR63:vT56NbqWRwZaEr3yt2O3XR63
Malware Config
Signatures
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BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
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Mimikatz
mimikatz is an open source tool to dump credentials on Windows.
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mimikatz is an open source tool to dump credentials on Windows 1 IoCs
resource yara_rule behavioral2/files/0x000b0000000233c2-20.dat mimikatz -
Executes dropped EXE 1 IoCs
pid Process 1908 6A81.tmp -
Loads dropped DLL 1 IoCs
pid Process 2360 rundll32.exe -
Drops file in Windows directory 5 IoCs
description ioc Process File opened for modification C:\Windows\6A81.tmp rundll32.exe File created C:\Windows\infpub.dat BadRabbit.exe File opened for modification C:\Windows\infpub.dat rundll32.exe File created C:\Windows\cscc.dat rundll32.exe File created C:\Windows\dispci.exe rundll32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3024 schtasks.exe 3632 schtasks.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description 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 -
Suspicious behavior: AddClipboardFormatListener 3 IoCs
pid Process 4092 vlc.exe 1728 WINWORD.EXE 1728 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2360 rundll32.exe 2360 rundll32.exe 2360 rundll32.exe 2360 rundll32.exe 1908 6A81.tmp 1908 6A81.tmp 1908 6A81.tmp 1908 6A81.tmp 1908 6A81.tmp 1908 6A81.tmp -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4092 vlc.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 2360 rundll32.exe Token: SeDebugPrivilege 2360 rundll32.exe Token: SeTcbPrivilege 2360 rundll32.exe Token: SeDebugPrivilege 1908 6A81.tmp -
Suspicious use of FindShellTrayWindow 15 IoCs
pid Process 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe -
Suspicious use of SendNotifyMessage 14 IoCs
pid Process 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe 4092 vlc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4092 vlc.exe 1728 WINWORD.EXE 1728 WINWORD.EXE 1728 WINWORD.EXE 1728 WINWORD.EXE 1728 WINWORD.EXE 1728 WINWORD.EXE 1728 WINWORD.EXE -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2280 wrote to memory of 2360 2280 BadRabbit.exe 81 PID 2280 wrote to memory of 2360 2280 BadRabbit.exe 81 PID 2280 wrote to memory of 2360 2280 BadRabbit.exe 81 PID 2360 wrote to memory of 4884 2360 rundll32.exe 82 PID 2360 wrote to memory of 4884 2360 rundll32.exe 82 PID 2360 wrote to memory of 4884 2360 rundll32.exe 82 PID 4884 wrote to memory of 3152 4884 cmd.exe 85 PID 4884 wrote to memory of 3152 4884 cmd.exe 85 PID 4884 wrote to memory of 3152 4884 cmd.exe 85 PID 2360 wrote to memory of 4900 2360 rundll32.exe 88 PID 2360 wrote to memory of 4900 2360 rundll32.exe 88 PID 2360 wrote to memory of 4900 2360 rundll32.exe 88 PID 2360 wrote to memory of 3268 2360 rundll32.exe 90 PID 2360 wrote to memory of 3268 2360 rundll32.exe 90 PID 2360 wrote to memory of 3268 2360 rundll32.exe 90 PID 2360 wrote to memory of 1908 2360 rundll32.exe 92 PID 2360 wrote to memory of 1908 2360 rundll32.exe 92 PID 4900 wrote to memory of 3024 4900 cmd.exe 94 PID 4900 wrote to memory of 3024 4900 cmd.exe 94 PID 4900 wrote to memory of 3024 4900 cmd.exe 94 PID 3268 wrote to memory of 3632 3268 cmd.exe 95 PID 3268 wrote to memory of 3632 3268 cmd.exe 95 PID 3268 wrote to memory of 3632 3268 cmd.exe 95 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\BadRabbit.exe"C:\Users\Admin\AppData\Local\Temp\BadRabbit.exe"1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 152⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\SysWOW64\cmd.exe/c schtasks /Delete /F /TN rhaegal3⤵
- Suspicious use of WriteProcessMemory
PID:4884 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Delete /F /TN rhaegal4⤵PID:3152
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C:\Windows\SysWOW64\cmd.exe/c schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 984446791 && exit"3⤵
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 984446791 && exit"4⤵
- Creates scheduled task(s)
PID:3024
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C:\Windows\SysWOW64\cmd.exe/c schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 11:51:003⤵
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 11:51:004⤵
- Creates scheduled task(s)
PID:3632
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C:\Windows\6A81.tmp"C:\Windows\6A81.tmp" \\.\pipe\{0F844149-0F2D-478B-82B0-A4EF1331432A}3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1908
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C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\ResizeExit.mid"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:4092
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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\Documents\Opened.docx" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1728
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD5347ac3b6b791054de3e5720a7144a977
SHA1413eba3973a15c1a6429d9f170f3e8287f98c21c
SHA256301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c
SHA5129a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787
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Filesize
401KB
MD51d724f95c61f1055f0d02c2154bbccd3
SHA179116fe99f2b421c52ef64097f0f39b815b20907
SHA256579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648
SHA512f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113