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Analysis
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max time kernel
150s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
30/05/2022, 22:30
Static task
static1
Behavioral task
behavioral1
Sample
BadRabbit.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
BadRabbit.exe
Resource
win10v2004-20220414-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
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 2 IoCs
resource yara_rule behavioral2/files/0x000700000002314a-146.dat mimikatz behavioral2/files/0x000700000002314a-147.dat mimikatz -
Executes dropped EXE 1 IoCs
pid Process 2984 885F.tmp -
Loads dropped DLL 1 IoCs
pid Process 4596 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\885F.tmp rundll32.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 3880 schtasks.exe 4352 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4596 rundll32.exe 4596 rundll32.exe 4596 rundll32.exe 4596 rundll32.exe 2984 885F.tmp 2984 885F.tmp 2984 885F.tmp 2984 885F.tmp 2984 885F.tmp 2984 885F.tmp -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 4596 rundll32.exe Token: SeDebugPrivilege 4596 rundll32.exe Token: SeTcbPrivilege 4596 rundll32.exe Token: SeDebugPrivilege 2984 885F.tmp -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 1964 wrote to memory of 4596 1964 BadRabbit.exe 79 PID 1964 wrote to memory of 4596 1964 BadRabbit.exe 79 PID 1964 wrote to memory of 4596 1964 BadRabbit.exe 79 PID 4596 wrote to memory of 1956 4596 rundll32.exe 80 PID 4596 wrote to memory of 1956 4596 rundll32.exe 80 PID 4596 wrote to memory of 1956 4596 rundll32.exe 80 PID 1956 wrote to memory of 2036 1956 cmd.exe 82 PID 1956 wrote to memory of 2036 1956 cmd.exe 82 PID 1956 wrote to memory of 2036 1956 cmd.exe 82 PID 4596 wrote to memory of 3496 4596 rundll32.exe 83 PID 4596 wrote to memory of 3496 4596 rundll32.exe 83 PID 4596 wrote to memory of 3496 4596 rundll32.exe 83 PID 3496 wrote to memory of 3880 3496 cmd.exe 85 PID 3496 wrote to memory of 3880 3496 cmd.exe 85 PID 3496 wrote to memory of 3880 3496 cmd.exe 85 PID 4596 wrote to memory of 4828 4596 rundll32.exe 86 PID 4596 wrote to memory of 4828 4596 rundll32.exe 86 PID 4596 wrote to memory of 4828 4596 rundll32.exe 86 PID 4596 wrote to memory of 2984 4596 rundll32.exe 88 PID 4596 wrote to memory of 2984 4596 rundll32.exe 88 PID 4828 wrote to memory of 4352 4828 cmd.exe 90 PID 4828 wrote to memory of 4352 4828 cmd.exe 90 PID 4828 wrote to memory of 4352 4828 cmd.exe 90
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:1964 -
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:4596 -
C:\Windows\SysWOW64\cmd.exe/c schtasks /Delete /F /TN rhaegal3⤵
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Delete /F /TN rhaegal4⤵PID:2036
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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 1646270241 && exit"3⤵
- Suspicious use of WriteProcessMemory
PID:3496 -
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 1646270241 && exit"4⤵
- Creates scheduled task(s)
PID:3880
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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 00:48:003⤵
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 00:48:004⤵
- Creates scheduled task(s)
PID:4352
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C:\Windows\885F.tmp"C:\Windows\885F.tmp" \\.\pipe\{5197E7A2-E81E-4308-9FA4-BA57EED83BCA}3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2984
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60KB
MD5347ac3b6b791054de3e5720a7144a977
SHA1413eba3973a15c1a6429d9f170f3e8287f98c21c
SHA256301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c
SHA5129a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787
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Filesize
60KB
MD5347ac3b6b791054de3e5720a7144a977
SHA1413eba3973a15c1a6429d9f170f3e8287f98c21c
SHA256301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c
SHA5129a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787
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Filesize
401KB
MD51d724f95c61f1055f0d02c2154bbccd3
SHA179116fe99f2b421c52ef64097f0f39b815b20907
SHA256579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648
SHA512f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113
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Filesize
401KB
MD51d724f95c61f1055f0d02c2154bbccd3
SHA179116fe99f2b421c52ef64097f0f39b815b20907
SHA256579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648
SHA512f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113