badrabbit | f1bbcc5c678d174d858ae089f4494e3ea8bcfc418098d61804a15e437f08aff7

Target

Endermanch@ColorBug.exe
Size

53KB
MD5

6536b10e5a713803d034c607d2de19e3
SHA1

a6000c05f565a36d2250bdab2ce78f505ca624b7
SHA256

775ba68597507cf3c24663f5016d257446abeb66627f20f8f832c0860cad84de
SHA512

61727cf0b150aad6965b4f118f33fd43600fb23dde5f0a3e780cc9998dfcc038b7542bfae9043ce28fb08d613c2a91ff9166f28a2a449d0e3253adc2cb110018

Score

10^/10

badrabbit persistence ransomware

Malware Config

Signatures

BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
ransomware badrabbit
Executes dropped EXE 1 IoCs

Processes:

8587.tmp

pid process

3592 8587.tmp
Modifies extensions of user files 1 IoCs
Ransomware generally changes the extension on encrypted files.
ransomware

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Users\Admin\Pictures\SendRestore.tiff rundll32.exe

pid	process
3592	8587.tmp

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Endermanch@ColorBug.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\~~CB = "cb.exe"	Endermanch@ColorBug.exe

Drops file in Windows directory 4 IoCs

Processes:

rundll32.exe

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\8587.tmp	rundll32.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
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2620 schtasks.exe
2264 schtasks.exe

pid	process
2620	schtasks.exe
2264	schtasks.exe

Modifies Control Panel 21 IoCs

evasion

Processes:

Endermanch@ColorBug.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\Scrollbar = "232 134 158"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\ActiveBorder = "194 153 93"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\MenuText = "171 18 60"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\WindowText = "233 28 56"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\AppWorkspace = "55 180 93"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\HilightText = "214 47 107"	Endermanch@ColorBug.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\ActiveTitle = "186 64 5"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\InactiveTitle = "150 93 164"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\Menu = "168 65 60"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\GrayText = "131 27 202"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\ButtonText = "130 96 106"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\InactiveTitleText = "190 142 42"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\Window = "56 103 70"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\TitleText = "176 158 111"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\Hilight = "22 5 84"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\ButtonShadow = "105 177 75"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\Background = "193 161 110"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\WindowFrame = "246 242 71"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\InactiveBorder = "187 18 91"	Endermanch@ColorBug.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Colors\ButtonFace = "1 99 133"	Endermanch@ColorBug.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

rundll32.exe8587.tmp

pid	process
996	rundll32.exe
996	rundll32.exe
996	rundll32.exe
996	rundll32.exe
3592	8587.tmp
3592	8587.tmp
3592	8587.tmp
3592	8587.tmp
3592	8587.tmp
3592	8587.tmp
996	rundll32.exe
996	rundll32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

rundll32.exe8587.tmp

description	pid	process
Token: SeShutdownPrivilege	996	rundll32.exe
Token: SeDebugPrivilege	996	rundll32.exe
Token: SeTcbPrivilege	996	rundll32.exe
Token: SeDebugPrivilege	3592	8587.tmp

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

rundll32.exerundll32.execmd.execmd.execmd.exe

description	pid	process	target process
PID 2932 wrote to memory of 996	2932	rundll32.exe	rundll32.exe
PID 2932 wrote to memory of 996	2932	rundll32.exe	rundll32.exe
PID 2932 wrote to memory of 996	2932	rundll32.exe	rundll32.exe
PID 996 wrote to memory of 2684	996	rundll32.exe	cmd.exe
PID 996 wrote to memory of 2684	996	rundll32.exe	cmd.exe
PID 996 wrote to memory of 2684	996	rundll32.exe	cmd.exe
PID 2684 wrote to memory of 2384	2684	cmd.exe	schtasks.exe
PID 2684 wrote to memory of 2384	2684	cmd.exe	schtasks.exe
PID 2684 wrote to memory of 2384	2684	cmd.exe	schtasks.exe
PID 996 wrote to memory of 1932	996	rundll32.exe	cmd.exe
PID 996 wrote to memory of 1932	996	rundll32.exe	cmd.exe
PID 996 wrote to memory of 1932	996	rundll32.exe	cmd.exe
PID 996 wrote to memory of 1856	996	rundll32.exe	cmd.exe
PID 996 wrote to memory of 1856	996	rundll32.exe	cmd.exe
PID 996 wrote to memory of 1856	996	rundll32.exe	cmd.exe
PID 1932 wrote to memory of 2620	1932	cmd.exe	schtasks.exe
PID 1932 wrote to memory of 2620	1932	cmd.exe	schtasks.exe
PID 1932 wrote to memory of 2620	1932	cmd.exe	schtasks.exe
PID 996 wrote to memory of 3592	996	rundll32.exe	8587.tmp
PID 996 wrote to memory of 3592	996	rundll32.exe	8587.tmp
PID 1856 wrote to memory of 2264	1856	cmd.exe	schtasks.exe
PID 1856 wrote to memory of 2264	1856	cmd.exe	schtasks.exe
PID 1856 wrote to memory of 2264	1856	cmd.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Endermanch@ColorBug.exe
"C:\Users\Admin\AppData\Local\Temp\Endermanch@ColorBug.exe"
1⤵
- Adds Run key to start application
- Modifies Control Panel
PID:512

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\infpub.dat",#2 15
1⤵
- Suspicious use of WriteProcessMemory
PID:2932

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:996

C:\Windows\SysWOW64\cmd.exe
/c schtasks /Delete /F /TN rhaegal
3⤵
- Suspicious use of WriteProcessMemory
PID:2684

C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /F /TN rhaegal
4⤵
PID:2384

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 3759615225 && exit"
3⤵
- Suspicious use of WriteProcessMemory
PID:1932

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 3759615225 && exit"
4⤵
- Creates scheduled task(s)
PID:2620

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 13:02:00
3⤵
- Suspicious use of WriteProcessMemory
PID:1856

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 13:02:00
4⤵
- Creates scheduled task(s)
PID:2264

C:\Windows\8587.tmp
"C:\Windows\8587.tmp" \\.\pipe\{07B98B69-AF3C-4D69-A3A0-5F06F0092ECB}
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3592

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\8587.tmp
MD5
347ac3b6b791054de3e5720a7144a977

SHA1
413eba3973a15c1a6429d9f170f3e8287f98c21c

SHA256
301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c

SHA512
9a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787

Download Submit
C:\Windows\8587.tmp
MD5
347ac3b6b791054de3e5720a7144a977

SHA1
413eba3973a15c1a6429d9f170f3e8287f98c21c

SHA256
301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c

SHA512
9a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787

Download Submit
memory/996-2-0x0000000000000000-mapping.dmp

Download
memory/996-3-0x00000000038A0000-0x0000000003908000-memory.dmp

Filesize
416KB

Download
memory/1856-7-0x0000000000000000-mapping.dmp

Download
memory/1932-6-0x0000000000000000-mapping.dmp

Download
memory/2264-12-0x0000000000000000-mapping.dmp

Download
memory/2384-5-0x0000000000000000-mapping.dmp

Download
memory/2620-8-0x0000000000000000-mapping.dmp

Download
memory/2684-4-0x0000000000000000-mapping.dmp

Download
memory/3592-9-0x0000000000000000-mapping.dmp

Download