Resubmissions
22-09-2024 14:26
240922-rrxkkstfpq 10Analysis
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max time kernel
42s -
max time network
44s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22-09-2024 14:26
Static task
static1
Behavioral task
behavioral1
Sample
BadRabbit.exe
Resource
win10v2004-20240802-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 behavioral1/files/0x000400000001e0bb-20.dat mimikatz -
Executes dropped EXE 1 IoCs
pid Process 4660 7ACD.tmp -
Loads dropped DLL 1 IoCs
pid Process 2248 rundll32.exe -
Drops file in Windows directory 5 IoCs
description ioc Process 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 File opened for modification C:\Windows\7ACD.tmp rundll32.exe -
Event Triggered Execution: Accessibility Features 1 TTPs
Windows contains accessibility features that may be used by adversaries to establish persistence and/or elevate privileges.
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System Location Discovery: System Language Discovery 1 TTPs 8 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BadRabbit.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 Taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A Taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName Taskmgr.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2120 schtasks.exe 2656 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2248 rundll32.exe 2248 rundll32.exe 2248 rundll32.exe 2248 rundll32.exe 4660 7ACD.tmp 4660 7ACD.tmp 4660 7ACD.tmp 4660 7ACD.tmp 4660 7ACD.tmp 4660 7ACD.tmp 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeShutdownPrivilege 2248 rundll32.exe Token: SeDebugPrivilege 2248 rundll32.exe Token: SeTcbPrivilege 2248 rundll32.exe Token: SeDebugPrivilege 4660 7ACD.tmp Token: 33 2452 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2452 AUDIODG.EXE Token: SeDebugPrivilege 3208 Taskmgr.exe Token: SeSystemProfilePrivilege 3208 Taskmgr.exe Token: SeCreateGlobalPrivilege 3208 Taskmgr.exe Token: 33 3208 Taskmgr.exe Token: SeIncBasePriorityPrivilege 3208 Taskmgr.exe -
Suspicious use of FindShellTrayWindow 38 IoCs
pid Process 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe -
Suspicious use of SendNotifyMessage 38 IoCs
pid Process 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe 3208 Taskmgr.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1064 osk.exe 1064 osk.exe 1064 osk.exe 1064 osk.exe 1064 osk.exe 1064 osk.exe 1064 osk.exe 1064 osk.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 2372 wrote to memory of 2248 2372 BadRabbit.exe 84 PID 2372 wrote to memory of 2248 2372 BadRabbit.exe 84 PID 2372 wrote to memory of 2248 2372 BadRabbit.exe 84 PID 2248 wrote to memory of 3016 2248 rundll32.exe 85 PID 2248 wrote to memory of 3016 2248 rundll32.exe 85 PID 2248 wrote to memory of 3016 2248 rundll32.exe 85 PID 3016 wrote to memory of 3760 3016 cmd.exe 87 PID 3016 wrote to memory of 3760 3016 cmd.exe 87 PID 3016 wrote to memory of 3760 3016 cmd.exe 87 PID 2248 wrote to memory of 5036 2248 rundll32.exe 88 PID 2248 wrote to memory of 5036 2248 rundll32.exe 88 PID 2248 wrote to memory of 5036 2248 rundll32.exe 88 PID 2248 wrote to memory of 5096 2248 rundll32.exe 90 PID 2248 wrote to memory of 5096 2248 rundll32.exe 90 PID 2248 wrote to memory of 5096 2248 rundll32.exe 90 PID 2248 wrote to memory of 4660 2248 rundll32.exe 92 PID 2248 wrote to memory of 4660 2248 rundll32.exe 92 PID 5036 wrote to memory of 2120 5036 cmd.exe 94 PID 5036 wrote to memory of 2120 5036 cmd.exe 94 PID 5036 wrote to memory of 2120 5036 cmd.exe 94 PID 5096 wrote to memory of 2656 5096 cmd.exe 95 PID 5096 wrote to memory of 2656 5096 cmd.exe 95 PID 5096 wrote to memory of 2656 5096 cmd.exe 95 PID 4800 wrote to memory of 3208 4800 launchtm.exe 113 PID 4800 wrote to memory of 3208 4800 launchtm.exe 113
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
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 152⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Windows\SysWOW64\cmd.exe/c schtasks /Delete /F /TN rhaegal3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Delete /F /TN rhaegal4⤵
- System Location Discovery: System Language Discovery
PID:3760
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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 1665298700 && exit"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5036 -
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 1665298700 && exit"4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2120
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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 14:44:003⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5096 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 14:44:004⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2656
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C:\Windows\7ACD.tmp"C:\Windows\7ACD.tmp" \\.\pipe\{BE78C860-A8FD-4F27-B622-9F5EDC45B2E5}3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4660
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C:\Windows\system32\osk.exe"C:\Windows\system32\osk.exe"1⤵
- Suspicious use of SetWindowsHookEx
PID:1064
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C:\Windows\system32\launchtm.exelaunchtm.exe /21⤵
- Suspicious use of WriteProcessMemory
PID:4800 -
C:\Windows\System32\Taskmgr.exe"C:\Windows\System32\Taskmgr.exe" /22⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3208
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x33c 0x38c1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2452
Network
MITRE ATT&CK Enterprise v15
Persistence
Event Triggered Execution
1Accessibility Features
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Event Triggered Execution
1Accessibility Features
1Scheduled Task/Job
1Scheduled Task
1Replay 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