Analysis
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max time kernel
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max time network
57s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
14-09-2024 16:06
Static task
static1
Behavioral task
behavioral1
Sample
BadRabbit.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
16 signatures
60 seconds
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
Score
10/10
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/0x0003000000022d07-20.dat mimikatz -
Executes dropped EXE 1 IoCs
pid Process 2820 8443.tmp -
Loads dropped DLL 1 IoCs
pid Process 4832 rundll32.exe -
Drops file in Windows directory 5 IoCs
description ioc Process File created C:\Windows\cscc.dat rundll32.exe File created C:\Windows\dispci.exe rundll32.exe File opened for modification C:\Windows\8443.tmp rundll32.exe File created C:\Windows\infpub.dat BadRabbit.exe File opened for modification C:\Windows\infpub.dat rundll32.exe -
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 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 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 -
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 -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "91" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.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 2044 schtasks.exe 2008 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 26 IoCs
pid Process 4832 rundll32.exe 4832 rundll32.exe 4832 rundll32.exe 4832 rundll32.exe 2820 8443.tmp 2820 8443.tmp 2820 8443.tmp 2820 8443.tmp 2820 8443.tmp 2820 8443.tmp 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeShutdownPrivilege 4832 rundll32.exe Token: SeDebugPrivilege 4832 rundll32.exe Token: SeTcbPrivilege 4832 rundll32.exe Token: SeDebugPrivilege 2820 8443.tmp Token: SeDebugPrivilege 2028 taskmgr.exe Token: SeSystemProfilePrivilege 2028 taskmgr.exe Token: SeCreateGlobalPrivilege 2028 taskmgr.exe Token: 33 2028 taskmgr.exe Token: SeIncBasePriorityPrivilege 2028 taskmgr.exe -
Suspicious use of FindShellTrayWindow 41 IoCs
pid Process 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe -
Suspicious use of SendNotifyMessage 41 IoCs
pid Process 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe 2028 taskmgr.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5056 LogonUI.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1668 wrote to memory of 4832 1668 BadRabbit.exe 83 PID 1668 wrote to memory of 4832 1668 BadRabbit.exe 83 PID 1668 wrote to memory of 4832 1668 BadRabbit.exe 83 PID 4832 wrote to memory of 3192 4832 rundll32.exe 84 PID 4832 wrote to memory of 3192 4832 rundll32.exe 84 PID 4832 wrote to memory of 3192 4832 rundll32.exe 84 PID 3192 wrote to memory of 768 3192 cmd.exe 86 PID 3192 wrote to memory of 768 3192 cmd.exe 86 PID 3192 wrote to memory of 768 3192 cmd.exe 86 PID 4832 wrote to memory of 3884 4832 rundll32.exe 92 PID 4832 wrote to memory of 3884 4832 rundll32.exe 92 PID 4832 wrote to memory of 3884 4832 rundll32.exe 92 PID 3884 wrote to memory of 2008 3884 cmd.exe 94 PID 3884 wrote to memory of 2008 3884 cmd.exe 94 PID 3884 wrote to memory of 2008 3884 cmd.exe 94 PID 4832 wrote to memory of 3284 4832 rundll32.exe 95 PID 4832 wrote to memory of 3284 4832 rundll32.exe 95 PID 4832 wrote to memory of 3284 4832 rundll32.exe 95 PID 4832 wrote to memory of 2820 4832 rundll32.exe 96 PID 4832 wrote to memory of 2820 4832 rundll32.exe 96 PID 3284 wrote to memory of 2044 3284 cmd.exe 99 PID 3284 wrote to memory of 2044 3284 cmd.exe 99 PID 3284 wrote to memory of 2044 3284 cmd.exe 99 PID 4832 wrote to memory of 3784 4832 rundll32.exe 116 PID 4832 wrote to memory of 3784 4832 rundll32.exe 116 PID 4832 wrote to memory of 3784 4832 rundll32.exe 116
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:1668 -
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:4832 -
C:\Windows\SysWOW64\cmd.exe/c schtasks /Delete /F /TN rhaegal3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Delete /F /TN rhaegal4⤵
- System Location Discovery: System Language Discovery
PID:768
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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 1467133276 && exit"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3884 -
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 1467133276 && exit"4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2008
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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 16:25:003⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3284 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 16:25:004⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2044
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C:\Windows\8443.tmp"C:\Windows\8443.tmp" \\.\pipe\{9684BA5D-977A-4C81-ADE1-C8C954D8CFCD}3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2820
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C:\Windows\SysWOW64\cmd.exe/c wevtutil cl Setup & wevtutil cl System & wevtutil cl Security & wevtutil cl Application & fsutil usn deletejournal /D C:3⤵PID:3784
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2028
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3905855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:5056
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