Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
02-03-2024 20:50
Static task
static1
Behavioral task
behavioral1
Sample
630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da.exe
Resource
win10v2004-20240226-en
General
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Target
630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da.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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Detects executables containing anti-forensic artifacts of deleting USN change journal. Observed in ransomware 4 IoCs
resource yara_rule behavioral1/files/0x000a0000000141af-1.dat INDICATOR_SUSPICIOUS_USNDeleteJournal behavioral1/memory/2536-2-0x0000000000210000-0x0000000000278000-memory.dmp INDICATOR_SUSPICIOUS_USNDeleteJournal behavioral1/memory/2536-10-0x0000000000210000-0x0000000000278000-memory.dmp INDICATOR_SUSPICIOUS_USNDeleteJournal behavioral1/memory/2536-13-0x0000000000210000-0x0000000000278000-memory.dmp INDICATOR_SUSPICIOUS_USNDeleteJournal -
mimikatz is an open source tool to dump credentials on Windows 1 IoCs
resource yara_rule behavioral1/files/0x0030000000015c9b-23.dat mimikatz -
Executes dropped EXE 1 IoCs
pid Process 2400 68A2.tmp -
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\68A2.tmp rundll32.exe File created C:\Windows\infpub.dat 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da.exe File opened for modification C:\Windows\infpub.dat 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 2520 schtasks.exe 2452 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2536 rundll32.exe 2536 rundll32.exe 2400 68A2.tmp 2400 68A2.tmp 2400 68A2.tmp 2400 68A2.tmp 2400 68A2.tmp -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 2536 rundll32.exe Token: SeDebugPrivilege 2536 rundll32.exe Token: SeTcbPrivilege 2536 rundll32.exe Token: SeDebugPrivilege 2400 68A2.tmp -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1548 wrote to memory of 2536 1548 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da.exe 29 PID 1548 wrote to memory of 2536 1548 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da.exe 29 PID 1548 wrote to memory of 2536 1548 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da.exe 29 PID 1548 wrote to memory of 2536 1548 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da.exe 29 PID 1548 wrote to memory of 2536 1548 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da.exe 29 PID 1548 wrote to memory of 2536 1548 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da.exe 29 PID 1548 wrote to memory of 2536 1548 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da.exe 29 PID 2536 wrote to memory of 2860 2536 rundll32.exe 30 PID 2536 wrote to memory of 2860 2536 rundll32.exe 30 PID 2536 wrote to memory of 2860 2536 rundll32.exe 30 PID 2536 wrote to memory of 2860 2536 rundll32.exe 30 PID 2860 wrote to memory of 2528 2860 cmd.exe 32 PID 2860 wrote to memory of 2528 2860 cmd.exe 32 PID 2860 wrote to memory of 2528 2860 cmd.exe 32 PID 2860 wrote to memory of 2528 2860 cmd.exe 32 PID 2536 wrote to memory of 2620 2536 rundll32.exe 33 PID 2536 wrote to memory of 2620 2536 rundll32.exe 33 PID 2536 wrote to memory of 2620 2536 rundll32.exe 33 PID 2536 wrote to memory of 2620 2536 rundll32.exe 33 PID 2620 wrote to memory of 2520 2620 cmd.exe 35 PID 2620 wrote to memory of 2520 2620 cmd.exe 35 PID 2620 wrote to memory of 2520 2620 cmd.exe 35 PID 2620 wrote to memory of 2520 2620 cmd.exe 35 PID 2536 wrote to memory of 2424 2536 rundll32.exe 36 PID 2536 wrote to memory of 2424 2536 rundll32.exe 36 PID 2536 wrote to memory of 2424 2536 rundll32.exe 36 PID 2536 wrote to memory of 2424 2536 rundll32.exe 36 PID 2424 wrote to memory of 2452 2424 cmd.exe 38 PID 2424 wrote to memory of 2452 2424 cmd.exe 38 PID 2424 wrote to memory of 2452 2424 cmd.exe 38 PID 2424 wrote to memory of 2452 2424 cmd.exe 38 PID 2536 wrote to memory of 2400 2536 rundll32.exe 39 PID 2536 wrote to memory of 2400 2536 rundll32.exe 39 PID 2536 wrote to memory of 2400 2536 rundll32.exe 39 PID 2536 wrote to memory of 2400 2536 rundll32.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da.exe"C:\Users\Admin\AppData\Local\Temp\630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da.exe"1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1548 -
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
PID:2536 -
C:\Windows\SysWOW64\cmd.exe/c schtasks /Delete /F /TN rhaegal3⤵
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Delete /F /TN rhaegal4⤵PID:2528
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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 1885417838 && exit"3⤵
- Suspicious use of WriteProcessMemory
PID:2620 -
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 1885417838 && exit"4⤵
- Creates scheduled task(s)
PID:2520
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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 21:08:003⤵
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 21:08:004⤵
- Creates scheduled task(s)
PID:2452
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C:\Windows\68A2.tmp"C:\Windows\68A2.tmp" \\.\pipe\{74CE6CB7-EC6A-43B0-A4F2-A84A3A3CB7FC}3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2400
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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