Analysis
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max time kernel
150s -
max time network
21s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
04-11-2020 03:35
Static task
static1
Behavioral task
behavioral1
Sample
BadRabbit.bin.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
BadRabbit.bin.exe
Resource
win10v20201028
General
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Target
BadRabbit.bin.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
Malware Config
Signatures
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BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
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Executes dropped EXE 1 IoCs
Processes:
197A.tmppid process 1172 197A.tmp -
Modifies extensions of user files 1 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
rundll32.exedescription ioc process File opened for modification C:\Users\Admin\Pictures\RemoveStart.tiff rundll32.exe -
Drops file in Windows directory 5 IoCs
Processes:
rundll32.exeBadRabbit.bin.exedescription ioc process File opened for modification C:\Windows\197A.tmp rundll32.exe File created C:\Windows\infpub.dat BadRabbit.bin.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 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
rundll32.exe197A.tmppid process 1160 rundll32.exe 1160 rundll32.exe 1172 197A.tmp 1172 197A.tmp 1172 197A.tmp 1172 197A.tmp 1172 197A.tmp -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
rundll32.exe197A.tmpdescription pid process Token: SeShutdownPrivilege 1160 rundll32.exe Token: SeDebugPrivilege 1160 rundll32.exe Token: SeTcbPrivilege 1160 rundll32.exe Token: SeDebugPrivilege 1172 197A.tmp -
Suspicious use of WriteProcessMemory 35 IoCs
Processes:
BadRabbit.bin.exerundll32.execmd.execmd.execmd.exedescription pid process target process PID 1848 wrote to memory of 1160 1848 BadRabbit.bin.exe rundll32.exe PID 1848 wrote to memory of 1160 1848 BadRabbit.bin.exe rundll32.exe PID 1848 wrote to memory of 1160 1848 BadRabbit.bin.exe rundll32.exe PID 1848 wrote to memory of 1160 1848 BadRabbit.bin.exe rundll32.exe PID 1848 wrote to memory of 1160 1848 BadRabbit.bin.exe rundll32.exe PID 1848 wrote to memory of 1160 1848 BadRabbit.bin.exe rundll32.exe PID 1848 wrote to memory of 1160 1848 BadRabbit.bin.exe rundll32.exe PID 1160 wrote to memory of 1440 1160 rundll32.exe cmd.exe PID 1160 wrote to memory of 1440 1160 rundll32.exe cmd.exe PID 1160 wrote to memory of 1440 1160 rundll32.exe cmd.exe PID 1160 wrote to memory of 1440 1160 rundll32.exe cmd.exe PID 1440 wrote to memory of 1980 1440 cmd.exe schtasks.exe PID 1440 wrote to memory of 1980 1440 cmd.exe schtasks.exe PID 1440 wrote to memory of 1980 1440 cmd.exe schtasks.exe PID 1440 wrote to memory of 1980 1440 cmd.exe schtasks.exe PID 1160 wrote to memory of 752 1160 rundll32.exe cmd.exe PID 1160 wrote to memory of 752 1160 rundll32.exe cmd.exe PID 1160 wrote to memory of 752 1160 rundll32.exe cmd.exe PID 1160 wrote to memory of 752 1160 rundll32.exe cmd.exe PID 752 wrote to memory of 1668 752 cmd.exe schtasks.exe PID 752 wrote to memory of 1668 752 cmd.exe schtasks.exe PID 752 wrote to memory of 1668 752 cmd.exe schtasks.exe PID 752 wrote to memory of 1668 752 cmd.exe schtasks.exe PID 1160 wrote to memory of 320 1160 rundll32.exe cmd.exe PID 1160 wrote to memory of 320 1160 rundll32.exe cmd.exe PID 1160 wrote to memory of 320 1160 rundll32.exe cmd.exe PID 1160 wrote to memory of 320 1160 rundll32.exe cmd.exe PID 1160 wrote to memory of 1172 1160 rundll32.exe 197A.tmp PID 1160 wrote to memory of 1172 1160 rundll32.exe 197A.tmp PID 1160 wrote to memory of 1172 1160 rundll32.exe 197A.tmp PID 1160 wrote to memory of 1172 1160 rundll32.exe 197A.tmp PID 320 wrote to memory of 628 320 cmd.exe schtasks.exe PID 320 wrote to memory of 628 320 cmd.exe schtasks.exe PID 320 wrote to memory of 628 320 cmd.exe schtasks.exe PID 320 wrote to memory of 628 320 cmd.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\BadRabbit.bin.exe"C:\Users\Admin\AppData\Local\Temp\BadRabbit.bin.exe"1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 152⤵
- Modifies extensions of user files
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Windows\SysWOW64\cmd.exe/c schtasks /Delete /F /TN rhaegal3⤵
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Delete /F /TN rhaegal4⤵PID:1980
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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 1770005381 && exit"3⤵
- Suspicious use of WriteProcessMemory
PID:752 -
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 1770005381 && exit"4⤵
- Creates scheduled task(s)
PID:1668 -
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 03:50:003⤵
- Suspicious use of WriteProcessMemory
PID:320 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 03:50:004⤵
- Creates scheduled task(s)
PID:628 -
C:\Windows\197A.tmp"C:\Windows\197A.tmp" \\.\pipe\{6CC80334-FF2A-44E6-B28A-399425B92468}3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1172
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
347ac3b6b791054de3e5720a7144a977
SHA1413eba3973a15c1a6429d9f170f3e8287f98c21c
SHA256301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c
SHA5129a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787
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MD5
1d724f95c61f1055f0d02c2154bbccd3
SHA179116fe99f2b421c52ef64097f0f39b815b20907
SHA256579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648
SHA512f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113