badrabbit | f1bbcc5c678d174d858ae089f4494e3ea8bcfc418098d61804a15e437f08aff7

Target

[email protected]
Size

414KB
MD5

d0deb2644c9435ea701e88537787ea6e
SHA1

866e47ecd80da89c4f56557659027a3aee897132
SHA256

ad6cd46f373aadad85fab5ecdb4cb4ad7ebd0cbe44c84db5d2a2ee1b54eb5ec3
SHA512

6faac2e1003290bb3a0613ee84d5c76d3c48a4524e97975e9174d6fcfb5a6a48d6648b06ed5a4c10c3349f70efffc6a08a185fdeb0824250ae044b96ef39fcdf

Score

10^/10

badrabbit ransomware

Malware Config

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
3900	9E15.tmp

Modifies extensions of user files 1 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\ConfirmRedo.tiff	rundll32.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
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\9E15.tmp	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
68	416	WerFault.exe	64

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

T1053

pid	Process
3160	schtasks.exe
3532	schtasks.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
68	WerFault.exe
68	WerFault.exe
68	WerFault.exe
68	WerFault.exe
68	WerFault.exe
68	WerFault.exe
68	WerFault.exe
68	WerFault.exe
68	WerFault.exe
68	WerFault.exe
68	WerFault.exe
68	WerFault.exe
68	WerFault.exe
68	WerFault.exe
1112	rundll32.exe
1112	rundll32.exe
1112	rundll32.exe
1112	rundll32.exe
3900	9E15.tmp
3900	9E15.tmp
3900	9E15.tmp
3900	9E15.tmp
3900	9E15.tmp
3900	9E15.tmp
1112	rundll32.exe
1112	rundll32.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeRestorePrivilege	68	WerFault.exe
Token: SeBackupPrivilege	68	WerFault.exe
Token: SeDebugPrivilege	68	WerFault.exe
Token: SeShutdownPrivilege	1112	rundll32.exe
Token: SeDebugPrivilege	1112	rundll32.exe
Token: SeTcbPrivilege	1112	rundll32.exe
Token: SeDebugPrivilege	3900	9E15.tmp

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 1112	2260	rundll32.exe	80
PID 2260 wrote to memory of 1112	2260	rundll32.exe	80
PID 2260 wrote to memory of 1112	2260	rundll32.exe	80
PID 1112 wrote to memory of 2148	1112	rundll32.exe	81
PID 1112 wrote to memory of 2148	1112	rundll32.exe	81
PID 1112 wrote to memory of 2148	1112	rundll32.exe	81
PID 2148 wrote to memory of 2132	2148	cmd.exe	83
PID 2148 wrote to memory of 2132	2148	cmd.exe	83
PID 2148 wrote to memory of 2132	2148	cmd.exe	83
PID 1112 wrote to memory of 2224	1112	rundll32.exe	84
PID 1112 wrote to memory of 2224	1112	rundll32.exe	84
PID 1112 wrote to memory of 2224	1112	rundll32.exe	84
PID 1112 wrote to memory of 2268	1112	rundll32.exe	87
PID 1112 wrote to memory of 2268	1112	rundll32.exe	87
PID 1112 wrote to memory of 2268	1112	rundll32.exe	87
PID 2224 wrote to memory of 3160	2224	cmd.exe	86
PID 2224 wrote to memory of 3160	2224	cmd.exe	86
PID 2224 wrote to memory of 3160	2224	cmd.exe	86
PID 1112 wrote to memory of 3900	1112	rundll32.exe	89
PID 1112 wrote to memory of 3900	1112	rundll32.exe	89
PID 2268 wrote to memory of 3532	2268	cmd.exe	91
PID 2268 wrote to memory of 3532	2268	cmd.exe	91
PID 2268 wrote to memory of 3532	2268	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\[email protected]
"C:\Users\Admin\AppData\Local\Temp\[email protected]"
1⤵
PID:416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 416 -s 636
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:68

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\infpub.dat",#2 15
1⤵
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 15
  2⤵
  - Modifies extensions of user files
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1112
- - C:\Windows\SysWOW64\cmd.exe
    /c schtasks /Delete /F /TN rhaegal
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2148
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /F /TN rhaegal
      4⤵
      PID:2132
- - 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 1921318822 && exit"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2224
  - - 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 1921318822 && exit"
      4⤵
      Creates scheduled task(s)
      PID:3160
- - 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 13:01:00
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2268
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 13:01:00
      4⤵
      Creates scheduled task(s)
      PID:3532
- - C:\Windows\9E15.tmp
    "C:\Windows\9E15.tmp" \\.\pipe\{BE9A96E0-2697-4EB7-8401-E316C97679DD}
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/68-2-0x0000000004000000-0x0000000004001000-memory.dmp

Filesize
4KB

Download
memory/416-3-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/1112-5-0x0000000003910000-0x0000000003978000-memory.dmp

Filesize
416KB

Download