ratty | 4dbea6f56aff63990206432af8777f6e5ef57173d65770ef9ca254cafcc99fab

General

Target

PTIN_Reports_PDF.jar
Size

1.6MB
MD5

e66e3afd7ffe6e9e0ae094c13bb33bd0
SHA1

8480f4693aa2c092246932fe113dae6fa6b41c5c
SHA256

4dbea6f56aff63990206432af8777f6e5ef57173d65770ef9ca254cafcc99fab
SHA512

5913d4792ff5dba9f5d48e7be8c66645f7336ec297668b93a4726f6c03f366cf80de078a1778c789120b70320555c51fea90d84065003acfecfbcd5ad437f865
SSDEEP

49152:3uLWnjLiGxQBO1qCXDhr8M9yrEjKfsiUn8ya:eyjLiGxK6n9N9iUn8V

Score

10^/10

ratty persistence rat trojan

Malware Config

Signatures

Ratty
Ratty is an open source Java Remote Access Tool.
trojan rat ratty

Ratty Rat payload 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\PTIN_Reports_PDF.jar	family_ratty

Drops startup file 1 IoCs

Processes:

java.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PTIN_Reports_PDF.jar java.exe
Loads dropped DLL 1 IoCs

Processes:

java.exe

pid process

4440 java.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PTIN_Reports_PDF.jar	java.exe

pid	process
4440	java.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

REG.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Windows\CurrentVersion\Run	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PTIN_Reports_PDF.jar = "C:\\Users\\Admin\\AppData\\Roaming\\PTIN_Reports_PDF.jar"	REG.exe

Modifies registry class 2 IoCs

Processes:

java.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	java.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	java.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

2628 REG.exe
Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

java.exe

pid process

4440 java.exe
4440 java.exe
4440 java.exe
4440 java.exe
4440 java.exe
4440 java.exe
4440 java.exe
4440 java.exe
4440 java.exe
4440 java.exe

pid	process
2628	REG.exe

pid	process
4440	java.exe
4440	java.exe
4440	java.exe
4440	java.exe
4440	java.exe
4440	java.exe
4440	java.exe
4440	java.exe
4440	java.exe
4440	java.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

java.exe

description	pid	process	target process
PID 4440 wrote to memory of 2628	4440	java.exe	REG.exe
PID 4440 wrote to memory of 2628	4440	java.exe	REG.exe
PID 4440 wrote to memory of 3624	4440	java.exe	attrib.exe
PID 4440 wrote to memory of 3624	4440	java.exe	attrib.exe
PID 4440 wrote to memory of 4632	4440	java.exe	attrib.exe
PID 4440 wrote to memory of 4632	4440	java.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

3624 attrib.exe
4632 attrib.exe

pid	process
3624	attrib.exe
4632	attrib.exe

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\PTIN_Reports_PDF.jar
1⤵
- Drops startup file
- Loads dropped DLL
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Windows\SYSTEM32\REG.exe
  REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "PTIN_Reports_PDF.jar" /d "C:\Users\Admin\AppData\Roaming\PTIN_Reports_PDF.jar" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:2628
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\PTIN_Reports_PDF.jar
  2⤵
  - Views/modifies file attributes
  PID:3624
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PTIN_Reports_PDF.jar
  2⤵
  - Views/modifies file attributes
  PID:4632

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\JNativeHook-7432773EB4D09DC286D43FCC77DDB0E1E3BCE2B4.dll

Filesize
83KB

MD5
55f4de7f270663b3dc712b8c9eed422a

SHA1
7432773eb4d09dc286d43fcc77ddb0e1e3bce2b4

SHA256
47c2871dff8948de40424df497962ea6167c56bd4d487dd2e660aa2837485e25

SHA512
9da5efb0236b3bb4ec72d07bfd70a9e3f373df95d97c825513babd43d2b91c8669e28f3464173e789dad092ea48fc8d32a9d11a6d5c8d9beeabd33860ce6a996

Download Submit
C:\Users\Admin\AppData\Roaming\PTIN_Reports_PDF.jar

Filesize
1.6MB

MD5
e66e3afd7ffe6e9e0ae094c13bb33bd0

SHA1
8480f4693aa2c092246932fe113dae6fa6b41c5c

SHA256
4dbea6f56aff63990206432af8777f6e5ef57173d65770ef9ca254cafcc99fab

SHA512
5913d4792ff5dba9f5d48e7be8c66645f7336ec297668b93a4726f6c03f366cf80de078a1778c789120b70320555c51fea90d84065003acfecfbcd5ad437f865

Download Submit
memory/2628-152-0x0000000000000000-mapping.dmp

Download
memory/3624-153-0x0000000000000000-mapping.dmp

Download
memory/4440-189-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-192-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-207-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-166-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-172-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-178-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-183-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-184-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-185-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-186-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-187-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-188-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-136-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-190-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-191-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-160-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-193-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-194-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-195-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-196-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-197-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-198-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-199-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-200-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-201-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-202-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-203-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-204-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-205-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4440-206-0x00000000024B0000-0x00000000034B0000-memory.dmp

Filesize
16.0MB

Download
memory/4632-154-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads