badrabbit | 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da

General

Target
BadRabbit.exe
Size 431KB
Sample220530-1py53agdaq
SHA256 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da
MD5 fbbdc39af1139aebba4da004475e8839
SHA1 de5c8d858e6e41da715dca1c019df0bfb92d32c0
SHA512 74eca8c01de215b33d5ceea1fda3f3bef96b513f58a750dba04b0de36f7ef4f7846a6431d52879ca0d8641bfd504d4721a9a96fa2e18c6888fd67fa77686af87
MD5 SHA1 SHA512

Score

10^/10

badrabbit ransomware

Malware Config

Signatures

BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
ransomware badrabbit

Drops file in Windows directory 4 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

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
428	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1992	rundll32.exe
1992	rundll32.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1992	rundll32.exe
Token: SeDebugPrivilege	1992	rundll32.exe
Token: SeTcbPrivilege	1992	rundll32.exe
Token: 33	1388	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1388	AUDIODG.EXE
Token: 33	1388	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1388	AUDIODG.EXE

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 1992	996	BadRabbit.exe	29
PID 996 wrote to memory of 1992	996	BadRabbit.exe	29
PID 996 wrote to memory of 1992	996	BadRabbit.exe	29
PID 996 wrote to memory of 1992	996	BadRabbit.exe	29
PID 996 wrote to memory of 1992	996	BadRabbit.exe	29
PID 996 wrote to memory of 1992	996	BadRabbit.exe	29
PID 996 wrote to memory of 1992	996	BadRabbit.exe	29
PID 1992 wrote to memory of 1072	1992	rundll32.exe	30
PID 1992 wrote to memory of 1072	1992	rundll32.exe	30
PID 1992 wrote to memory of 1072	1992	rundll32.exe	30
PID 1992 wrote to memory of 1072	1992	rundll32.exe	30
PID 1072 wrote to memory of 468	1072	cmd.exe	32
PID 1072 wrote to memory of 468	1072	cmd.exe	32
PID 1072 wrote to memory of 468	1072	cmd.exe	32
PID 1072 wrote to memory of 468	1072	cmd.exe	32
PID 1992 wrote to memory of 1968	1992	rundll32.exe	33
PID 1992 wrote to memory of 1968	1992	rundll32.exe	33
PID 1992 wrote to memory of 1968	1992	rundll32.exe	33
PID 1992 wrote to memory of 1968	1992	rundll32.exe	33
PID 1968 wrote to memory of 428	1968	cmd.exe	35
PID 1968 wrote to memory of 428	1968	cmd.exe	35
PID 1968 wrote to memory of 428	1968	cmd.exe	35
PID 1968 wrote to memory of 428	1968	cmd.exe	35

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:996
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 15
  2⤵
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Windows\SysWOW64\cmd.exe
    /c schtasks /Delete /F /TN rhaegal
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1072
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /F /TN rhaegal
      4⤵
      PID:468
- - 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 3363757907 && exit"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1968
  - - 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 3363757907 && exit"
      4⤵
      Creates scheduled task(s)
      PID:428

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:564

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x180
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1388

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1108

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

infpub.dat

Path C:\Windows\infpub.dat
Size 401KB
SHA256 579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648
MD5 1d724f95c61f1055f0d02c2154bbccd3
SHA1 79116fe99f2b421c52ef64097f0f39b815b20907
SHA512 f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113
SSDEEP 12288:GtDjvhNTc/cq4RKZZKfArRuSA80m+/6sXRnfPGp:IjTc/cq4RUZaArbInfPGp
MD5 SHA1 SHA512 SSDEEP

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memory/564-69-0x000007FEFBF11000-0x000007FEFBF13000-memory.dmp

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memory/996-54-0x0000000075801000-0x0000000075803000-memory.dmp

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memory/1992-58-0x00000000001D0000-0x0000000000238000-memory.dmp

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memory/1992-64-0x00000000001D0000-0x0000000000238000-memory.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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