ratty | 2436fa28a278522c298b3a398ddc553c96c4be29ae7b433a999ad49ac71d656c

General

Target

spnxsdsnu.jar
Size

332KB
MD5

af7f264ed40f293a01ee685ee7d42daf
SHA1

a20caef9550c2ae144529b60598b5f58e63a409a
SHA256

2436fa28a278522c298b3a398ddc553c96c4be29ae7b433a999ad49ac71d656c
SHA512

05a060fe3d4b9f92180987d742e5ecad0deb1c5d2cbb1deec0fb31af8ddc5aa867b73ac0b9af02a764c453ba50fc4e9bd6d42b83b294a9e9bcf91b32c34ded7d

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\spnxsdsnu.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\spnxsdsnu.jar java.exe
Loads dropped DLL 1 IoCs

Processes:

java.exe

pid process

2352 java.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\spnxsdsnu.jar	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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\spnxsdsnu.jar = "C:\\Users\\Admin\\AppData\\Roaming\\spnxsdsnu.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-1-5-21-2481030822-2828258191-1606198294-1000_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

1136 REG.exe

pid	process
1136	REG.exe

Suspicious use of SetWindowsHookEx 22 IoCs

Processes:

java.exe

pid	process
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe
2352	java.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

java.exe

description	pid	process	target process
PID 2352 wrote to memory of 1136	2352	java.exe	REG.exe
PID 2352 wrote to memory of 1136	2352	java.exe	REG.exe
PID 2352 wrote to memory of 932	2352	java.exe	attrib.exe
PID 2352 wrote to memory of 932	2352	java.exe	attrib.exe
PID 2352 wrote to memory of 2212	2352	java.exe	attrib.exe
PID 2352 wrote to memory of 2212	2352	java.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

2212 attrib.exe
932 attrib.exe

pid	process
2212	attrib.exe
932	attrib.exe

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\spnxsdsnu.jar
1⤵
- Drops startup file
- Loads dropped DLL
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\SYSTEM32\REG.exe
  REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "spnxsdsnu.jar" /d "C:\Users\Admin\AppData\Roaming\spnxsdsnu.jar" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:1136
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\spnxsdsnu.jar
  2⤵
  - Views/modifies file attributes
  PID:2212
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\spnxsdsnu.jar
  2⤵
  - Views/modifies file attributes
  PID:932

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

C:\Users\Admin\AppData\Roaming\spnxsdsnu.jar

MD5
af7f264ed40f293a01ee685ee7d42daf

SHA1
a20caef9550c2ae144529b60598b5f58e63a409a

SHA256
2436fa28a278522c298b3a398ddc553c96c4be29ae7b433a999ad49ac71d656c

SHA512
05a060fe3d4b9f92180987d742e5ecad0deb1c5d2cbb1deec0fb31af8ddc5aa867b73ac0b9af02a764c453ba50fc4e9bd6d42b83b294a9e9bcf91b32c34ded7d

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

MD5
55f4de7f270663b3dc712b8c9eed422a

SHA1
7432773eb4d09dc286d43fcc77ddb0e1e3bce2b4

SHA256
47c2871dff8948de40424df497962ea6167c56bd4d487dd2e660aa2837485e25

SHA512
9da5efb0236b3bb4ec72d07bfd70a9e3f373df95d97c825513babd43d2b91c8669e28f3464173e789dad092ea48fc8d32a9d11a6d5c8d9beeabd33860ce6a996

Download Submit
memory/932-118-0x0000000000000000-mapping.dmp

Download
memory/1136-117-0x0000000000000000-mapping.dmp

Download
memory/2212-119-0x0000000000000000-mapping.dmp

Download
memory/2352-128-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/2352-121-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/2352-122-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/2352-116-0x0000000002D20000-0x0000000002F90000-memory.dmp

Filesize
2.4MB

Download
memory/2352-125-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/2352-126-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/2352-115-0x0000000002D20000-0x0000000002F90000-memory.dmp

Filesize
2.4MB

Download
memory/2352-133-0x0000000002F90000-0x0000000002FA0000-memory.dmp

Filesize
64KB

Download
memory/2352-134-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/2352-137-0x0000000002FA0000-0x0000000002FB0000-memory.dmp

Filesize
64KB

Download
memory/2352-138-0x0000000002FB0000-0x0000000002FC0000-memory.dmp

Filesize
64KB

Download
memory/2352-140-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/2352-141-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads