badrabbit | 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da

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 1 IoCs

resource	yara_rule
behavioral2/files/0x000300000002aa8a-20.dat	mimikatz

Blocklisted process makes network request 5 IoCs

flow	pid	Process
324	1720	rundll32.exe
366	1720	rundll32.exe
407	1720	rundll32.exe
431	1720	rundll32.exe
460	1720	rundll32.exe

Executes dropped EXE 1 IoCs

pid	Process
3568	EA60.tmp

Loads dropped DLL 1 IoCs

pid	Process
1720	rundll32.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\dispci.exe	rundll32.exe
File opened for modification	C:\Windows\EA60.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

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1376880307-1734125928-2892936080-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2192	schtasks.exe
3812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1720	rundll32.exe
1720	rundll32.exe
1720	rundll32.exe
1720	rundll32.exe
3568	EA60.tmp
3568	EA60.tmp
3568	EA60.tmp
3568	EA60.tmp
3568	EA60.tmp
3568	EA60.tmp
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1720	rundll32.exe
Token: SeDebugPrivilege	1720	rundll32.exe
Token: SeTcbPrivilege	1720	rundll32.exe
Token: SeDebugPrivilege	3568	EA60.tmp
Token: SeDebugPrivilege	1204	taskmgr.exe
Token: SeSystemProfilePrivilege	1204	taskmgr.exe
Token: SeCreateGlobalPrivilege	1204	taskmgr.exe
Token: 33	1204	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1204	taskmgr.exe

Suspicious use of FindShellTrayWindow 36 IoCs

pid	Process
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe

Suspicious use of SendNotifyMessage 36 IoCs

pid	Process
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe
1204	taskmgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1932	MiniSearchHost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 1720	3112	[email protected]	83
PID 3112 wrote to memory of 1720	3112	[email protected]	83
PID 3112 wrote to memory of 1720	3112	[email protected]	83
PID 1720 wrote to memory of 2180	1720	rundll32.exe	84
PID 1720 wrote to memory of 2180	1720	rundll32.exe	84
PID 1720 wrote to memory of 2180	1720	rundll32.exe	84
PID 2180 wrote to memory of 1512	2180	cmd.exe	86
PID 2180 wrote to memory of 1512	2180	cmd.exe	86
PID 2180 wrote to memory of 1512	2180	cmd.exe	86
PID 1720 wrote to memory of 1988	1720	rundll32.exe	88
PID 1720 wrote to memory of 1988	1720	rundll32.exe	88
PID 1720 wrote to memory of 1988	1720	rundll32.exe	88
PID 1988 wrote to memory of 2192	1988	cmd.exe	90
PID 1988 wrote to memory of 2192	1988	cmd.exe	90
PID 1988 wrote to memory of 2192	1988	cmd.exe	90
PID 1720 wrote to memory of 2304	1720	rundll32.exe	91
PID 1720 wrote to memory of 2304	1720	rundll32.exe	91
PID 1720 wrote to memory of 2304	1720	rundll32.exe	91
PID 1720 wrote to memory of 3568	1720	rundll32.exe	92
PID 1720 wrote to memory of 3568	1720	rundll32.exe	92
PID 2304 wrote to memory of 3812	2304	cmd.exe	95
PID 2304 wrote to memory of 3812	2304	cmd.exe	95
PID 2304 wrote to memory of 3812	2304	cmd.exe	95

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:3112
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 15
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\SysWOW64\cmd.exe
    /c schtasks /Delete /F /TN rhaegal
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2180
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /F /TN rhaegal
      4⤵
      PID:1512
- - 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 3481537108 && exit"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1988
  - - 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 3481537108 && exit"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2192
- - 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 10:24:00
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2304
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 10:24:00
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3812
- - C:\Windows\EA60.tmp
    "C:\Windows\EA60.tmp" \\.\pipe\{496914EE-AC56-46E5-90E2-2AD4E871C8D0}
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3568

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1932

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /0
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
c7e6c4fe75def133faaad5143dd9866b

SHA1
16c306f0f07a1eb20a184a055e7d00dae5c1be2e

SHA256
93a3517d19755945a0e9a7f896bb4df74f0872ab515779b5919f8a06eb5732ed

SHA512
3f32f7d849fd6d5e064a4f67733f1d8cba9ede77e515e175283682055a4e2f9bce65dd5ef82239266c1dc58aa708905f677fa557f3261d20c5de55b64a9182e9

Download Submit
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
cb075c481cc87b1079c5b7bf8fd361a1

SHA1
fe5fbcf083d10738e481d471854c44760c255aba

SHA256
1ecc9a782ec2488776a94d284bf7c3beeb3779e6b9a1f7593ee621c462b4d420

SHA512
871c41814714f076fa40fabcda87610f8c482a0a660402d4011dd1cddd825b4dc2a1b731dda3f31511395851bbbc5044b463ace50b2d18c93ef4d5874091b72a

Download Submit
C:\Windows\EA60.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
memory/1720-3-0x00000000022F0000-0x0000000002358000-memory.dmp

Filesize
416KB

Download
memory/1720-11-0x00000000022F0000-0x0000000002358000-memory.dmp

Filesize
416KB

Download
memory/1720-14-0x00000000022F0000-0x0000000002358000-memory.dmp

Filesize
416KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads