Analysis
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max time kernel
324s -
max time network
336s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04-04-2024 21:22
Static task
static1
Behavioral task
behavioral1
Sample
BadRabbit.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
BadRabbit.exe
Resource
win10v2004-20240226-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
Processes:
resource yara_rule C:\Windows\787A.tmp mimikatz -
Executes dropped EXE 1 IoCs
Processes:
787A.tmppid process 2880 787A.tmp -
Drops file in Windows directory 5 IoCs
Processes:
BadRabbit.exerundll32.exedescription 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\787A.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.
Processes:
schtasks.exeschtasks.exepid process 2632 schtasks.exe 2544 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
rundll32.exe787A.tmppid process 1240 rundll32.exe 1240 rundll32.exe 2880 787A.tmp 2880 787A.tmp 2880 787A.tmp 2880 787A.tmp 2880 787A.tmp -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
rundll32.exe787A.tmpdescription pid process Token: SeShutdownPrivilege 1240 rundll32.exe Token: SeDebugPrivilege 1240 rundll32.exe Token: SeTcbPrivilege 1240 rundll32.exe Token: SeDebugPrivilege 2880 787A.tmp -
Suspicious use of WriteProcessMemory 35 IoCs
Processes:
BadRabbit.exerundll32.execmd.execmd.execmd.exedescription pid process target process PID 2040 wrote to memory of 1240 2040 BadRabbit.exe rundll32.exe PID 2040 wrote to memory of 1240 2040 BadRabbit.exe rundll32.exe PID 2040 wrote to memory of 1240 2040 BadRabbit.exe rundll32.exe PID 2040 wrote to memory of 1240 2040 BadRabbit.exe rundll32.exe PID 2040 wrote to memory of 1240 2040 BadRabbit.exe rundll32.exe PID 2040 wrote to memory of 1240 2040 BadRabbit.exe rundll32.exe PID 2040 wrote to memory of 1240 2040 BadRabbit.exe rundll32.exe PID 1240 wrote to memory of 2520 1240 rundll32.exe cmd.exe PID 1240 wrote to memory of 2520 1240 rundll32.exe cmd.exe PID 1240 wrote to memory of 2520 1240 rundll32.exe cmd.exe PID 1240 wrote to memory of 2520 1240 rundll32.exe cmd.exe PID 2520 wrote to memory of 2576 2520 cmd.exe schtasks.exe PID 2520 wrote to memory of 2576 2520 cmd.exe schtasks.exe PID 2520 wrote to memory of 2576 2520 cmd.exe schtasks.exe PID 2520 wrote to memory of 2576 2520 cmd.exe schtasks.exe PID 1240 wrote to memory of 2532 1240 rundll32.exe cmd.exe PID 1240 wrote to memory of 2532 1240 rundll32.exe cmd.exe PID 1240 wrote to memory of 2532 1240 rundll32.exe cmd.exe PID 1240 wrote to memory of 2532 1240 rundll32.exe cmd.exe PID 2532 wrote to memory of 2632 2532 cmd.exe schtasks.exe PID 2532 wrote to memory of 2632 2532 cmd.exe schtasks.exe PID 2532 wrote to memory of 2632 2532 cmd.exe schtasks.exe PID 2532 wrote to memory of 2632 2532 cmd.exe schtasks.exe PID 1240 wrote to memory of 2644 1240 rundll32.exe cmd.exe PID 1240 wrote to memory of 2644 1240 rundll32.exe cmd.exe PID 1240 wrote to memory of 2644 1240 rundll32.exe cmd.exe PID 1240 wrote to memory of 2644 1240 rundll32.exe cmd.exe PID 2644 wrote to memory of 2544 2644 cmd.exe schtasks.exe PID 2644 wrote to memory of 2544 2644 cmd.exe schtasks.exe PID 2644 wrote to memory of 2544 2644 cmd.exe schtasks.exe PID 2644 wrote to memory of 2544 2644 cmd.exe schtasks.exe PID 1240 wrote to memory of 2880 1240 rundll32.exe 787A.tmp PID 1240 wrote to memory of 2880 1240 rundll32.exe 787A.tmp PID 1240 wrote to memory of 2880 1240 rundll32.exe 787A.tmp PID 1240 wrote to memory of 2880 1240 rundll32.exe 787A.tmp
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
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 152⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c schtasks /Delete /F /TN rhaegal3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /Delete /F /TN rhaegal4⤵
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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 3010836666 && exit"3⤵
- Suspicious use of WriteProcessMemory
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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 3010836666 && exit"4⤵
- Creates scheduled task(s)
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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 21:40:003⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 21:40:004⤵
- Creates scheduled task(s)
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C:\Windows\787A.tmp"C:\Windows\787A.tmp" \\.\pipe\{3E13A69F-F3AF-4FBD-8C45-62155FD437EB}3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Windows\787A.tmpFilesize
60KB
MD5347ac3b6b791054de3e5720a7144a977
SHA1413eba3973a15c1a6429d9f170f3e8287f98c21c
SHA256301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c
SHA5129a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787
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C:\Windows\infpub.datFilesize
401KB
MD51d724f95c61f1055f0d02c2154bbccd3
SHA179116fe99f2b421c52ef64097f0f39b815b20907
SHA256579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648
SHA512f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113
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memory/1240-2-0x00000000002D0000-0x0000000000338000-memory.dmpFilesize
416KB
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memory/1240-10-0x00000000002D0000-0x0000000000338000-memory.dmpFilesize
416KB
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memory/1240-13-0x00000000002D0000-0x0000000000338000-memory.dmpFilesize
416KB