ratty | 0665b4b801737bf3735c8be1f284496db695092f86d2e91101a66fbd995e4f52

General

Target

69c7cff720ef3ec72773052fb482d36dbcf4362ea76e9448ad4ec84a4b227b65.jar
Size

1.2MB
MD5

c2e2693cb5bb595145fe6ed7cd902dbb
SHA1

87a86a42ef899b16d0a899ceb2814683f68cb213
SHA256

69c7cff720ef3ec72773052fb482d36dbcf4362ea76e9448ad4ec84a4b227b65
SHA512

0581d78a0cfb72c20021521d1b7619aa2826a1cd1b4519312aaed4c7a9daf1b0798cd980bd2eca3d9424163a7440e9bb3a7925e50a4442b1821dde374dc31053

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

resource	yara_rule
behavioral1/files/0x000600000001ed0d-133.dat	family_ratty

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\69c7cff720ef3ec72773052fb482d36dbcf4362ea76e9448ad4ec84a4b227b65.jar	java.exe

Loads dropped DLL 1 IoCs

pid	Process
1680	java.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Windows\CurrentVersion\Run	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\69c7cff720ef3ec72773052fb482d36dbcf4362ea76e9448ad4ec84a4b227b65.jar = "C:\\Users\\Admin\\AppData\\Roaming\\69c7cff720ef3ec72773052fb482d36dbcf4362ea76e9448ad4ec84a4b227b65.jar"	REG.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2904	REG.exe

Suspicious use of SetWindowsHookEx 21 IoCs

pid	Process
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe
1680	java.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2904	1680	java.exe	66
PID 1680 wrote to memory of 2904	1680	java.exe	66
PID 1680 wrote to memory of 3568	1680	java.exe	67
PID 1680 wrote to memory of 3568	1680	java.exe	67
PID 1680 wrote to memory of 2732	1680	java.exe	68
PID 1680 wrote to memory of 2732	1680	java.exe	68

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
3568	attrib.exe
2732	attrib.exe

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\69c7cff720ef3ec72773052fb482d36dbcf4362ea76e9448ad4ec84a4b227b65.jar
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SYSTEM32\REG.exe
  REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "69c7cff720ef3ec72773052fb482d36dbcf4362ea76e9448ad4ec84a4b227b65.jar" /d "C:\Users\Admin\AppData\Roaming\69c7cff720ef3ec72773052fb482d36dbcf4362ea76e9448ad4ec84a4b227b65.jar" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:2904
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\69c7cff720ef3ec72773052fb482d36dbcf4362ea76e9448ad4ec84a4b227b65.jar
  2⤵
  - Views/modifies file attributes
  PID:3568
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\69c7cff720ef3ec72773052fb482d36dbcf4362ea76e9448ad4ec84a4b227b65.jar
  2⤵
  - Views/modifies file attributes
  PID:2732

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k wusvcs -p
1⤵
PID:2212

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

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Downloads

memory/1680-131-0x0000000002720000-0x0000000002990000-memory.dmp

Filesize
2.4MB

Download
memory/1680-132-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/1680-134-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/1680-137-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/1680-139-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads