badrabbit | ea8ccb8b5ec36195af831001b3cc46caedfc61a6194e2568901e7685c57ceefa

General

Target

[email protected]
Size

431KB
MD5

fbbdc39af1139aebba4da004475e8839
SHA1

de5c8d858e6e41da715dca1c019df0bfb92d32c0
SHA256

630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da
SHA512

74eca8c01de215b33d5ceea1fda3f3bef96b513f58a750dba04b0de36f7ef4f7846a6431d52879ca0d8641bfd504d4721a9a96fa2e18c6888fd67fa77686af87
SSDEEP

12288:BHNTywFAvN86pLbqWRKHZKfErrZJyZ0yqsGO3XR63:vT56NbqWRwZaEr3yt2O3XR63

Score

10^/10

badrabbit mimikatz ransomware

Malware Config

Signatures

BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
ransomware badrabbit
Mimikatz
mimikatz is an open source tool to dump credentials on Windows.
mimikatz

mimikatz is an open source tool to dump credentials on Windows 2 IoCs

resource	yara_rule
behavioral2/files/0x000900000002319f-20.dat	mimikatz
behavioral2/files/0x000900000002319f-23.dat	mimikatz

Executes dropped EXE 1 IoCs

pid	Process
4408	76B6.tmp

Loads dropped DLL 1 IoCs

pid	Process
4372	rundll32.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\76B6.tmp	rundll32.exe
File created	C:\Windows\infpub.dat	[email protected]
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

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	taskmgr.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4412	schtasks.exe
2216	schtasks.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4408	76B6.tmp
4408	76B6.tmp
4408	76B6.tmp
4408	76B6.tmp
4408	76B6.tmp
4408	76B6.tmp
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4372	rundll32.exe
Token: SeDebugPrivilege	4372	rundll32.exe
Token: SeTcbPrivilege	4372	rundll32.exe
Token: SeDebugPrivilege	4408	76B6.tmp
Token: SeDebugPrivilege	2680	taskmgr.exe
Token: SeSystemProfilePrivilege	2680	taskmgr.exe
Token: SeCreateGlobalPrivilege	2680	taskmgr.exe
Token: 33	2680	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2680	taskmgr.exe

Suspicious use of FindShellTrayWindow 40 IoCs

pid	Process
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe

Suspicious use of SendNotifyMessage 40 IoCs

pid	Process
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe
2680	taskmgr.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 4372	2696	[email protected]	84
PID 2696 wrote to memory of 4372	2696	[email protected]	84
PID 2696 wrote to memory of 4372	2696	[email protected]	84
PID 4372 wrote to memory of 4820	4372	rundll32.exe	85
PID 4372 wrote to memory of 4820	4372	rundll32.exe	85
PID 4372 wrote to memory of 4820	4372	rundll32.exe	85
PID 4820 wrote to memory of 4656	4820	cmd.exe	87
PID 4820 wrote to memory of 4656	4820	cmd.exe	87
PID 4820 wrote to memory of 4656	4820	cmd.exe	87
PID 4372 wrote to memory of 1736	4372	rundll32.exe	90
PID 4372 wrote to memory of 1736	4372	rundll32.exe	90
PID 4372 wrote to memory of 1736	4372	rundll32.exe	90
PID 1736 wrote to memory of 4412	1736	cmd.exe	92
PID 1736 wrote to memory of 4412	1736	cmd.exe	92
PID 1736 wrote to memory of 4412	1736	cmd.exe	92
PID 4372 wrote to memory of 1052	4372	rundll32.exe	93
PID 4372 wrote to memory of 1052	4372	rundll32.exe	93
PID 4372 wrote to memory of 1052	4372	rundll32.exe	93
PID 4372 wrote to memory of 4408	4372	rundll32.exe	95
PID 4372 wrote to memory of 4408	4372	rundll32.exe	95
PID 1052 wrote to memory of 2216	1052	cmd.exe	97
PID 1052 wrote to memory of 2216	1052	cmd.exe	97
PID 1052 wrote to memory of 2216	1052	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\[email protected]
"C:\Users\Admin\AppData\Local\Temp\[email protected]"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 15
  2⤵
  - Loads dropped DLL
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4372
- - C:\Windows\SysWOW64\cmd.exe
    /c schtasks /Delete /F /TN rhaegal
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4820
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /F /TN rhaegal
      4⤵
      PID:4656
- - 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 1025108446 && exit"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1736
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 1025108446 && exit"
      4⤵
      Creates scheduled task(s)
      PID:4412
- - 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 00:42:00
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1052
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 00:42:00
      4⤵
      Creates scheduled task(s)
      PID:2216
- - C:\Windows\76B6.tmp
    "C:\Windows\76B6.tmp" \\.\pipe\{CC450237-0D12-4463-A2E7-07CDDC3DBEDD}
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4408

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /7
1⤵
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\76B6.tmp

Filesize
60KB

MD5
347ac3b6b791054de3e5720a7144a977

SHA1
413eba3973a15c1a6429d9f170f3e8287f98c21c

SHA256
301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c

SHA512
9a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787

Download Submit
C:\Windows\76B6.tmp

Filesize
60KB

MD5
347ac3b6b791054de3e5720a7144a977

SHA1
413eba3973a15c1a6429d9f170f3e8287f98c21c

SHA256
301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c

SHA512
9a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787

Download Submit
C:\Windows\infpub.dat

Filesize
401KB

MD5
1d724f95c61f1055f0d02c2154bbccd3

SHA1
79116fe99f2b421c52ef64097f0f39b815b20907

SHA256
579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648

SHA512
f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113

Download Submit
C:\Windows\infpub.dat

Filesize
401KB

MD5
1d724f95c61f1055f0d02c2154bbccd3

SHA1
79116fe99f2b421c52ef64097f0f39b815b20907

SHA256
579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648

SHA512
f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113

Download Submit
memory/2680-49-0x00000210D23E0000-0x00000210D23E1000-memory.dmp

Filesize
4KB

Download
memory/2680-41-0x00000210D23E0000-0x00000210D23E1000-memory.dmp

Filesize
4KB

Download
memory/2680-43-0x00000210D23E0000-0x00000210D23E1000-memory.dmp

Filesize
4KB

Download
memory/2680-42-0x00000210D23E0000-0x00000210D23E1000-memory.dmp

Filesize
4KB

Download
memory/2680-47-0x00000210D23E0000-0x00000210D23E1000-memory.dmp

Filesize
4KB

Download
memory/2680-48-0x00000210D23E0000-0x00000210D23E1000-memory.dmp

Filesize
4KB

Download
memory/2680-50-0x00000210D23E0000-0x00000210D23E1000-memory.dmp

Filesize
4KB

Download
memory/2680-51-0x00000210D23E0000-0x00000210D23E1000-memory.dmp

Filesize
4KB

Download
memory/2680-52-0x00000210D23E0000-0x00000210D23E1000-memory.dmp

Filesize
4KB

Download
memory/2680-53-0x00000210D23E0000-0x00000210D23E1000-memory.dmp

Filesize
4KB

Download
memory/4372-14-0x0000000002550000-0x00000000025B8000-memory.dmp

Filesize
416KB

Download
memory/4372-11-0x0000000002550000-0x00000000025B8000-memory.dmp

Filesize
416KB

Download
memory/4372-3-0x0000000002550000-0x00000000025B8000-memory.dmp

Filesize
416KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads