ratty | 293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f

General

Target

293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f.jar
Size

634KB
MD5

d5a37c856d0e9668881e2b16bd467d16
SHA1

ebda2eab3ac988d7819c75f6ab189d498c927c17
SHA256

293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f
SHA512

520a9790d791683c26ef68fef5d98b0051ac902b76d93586feb5617bdfd84f239e35c0287d4d2da0ff28439166e6cc06b5d14abac88007919e6d655360036f63
SSDEEP

12288:QdEThNA1mApKnMcL0mcjkJyiS5jUjClC/+jp5Uam2G+hJDW:Og7AsAEnMcL0DjksiSJmClCo3xGu1W

Score

10^/10

ratty discovery 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
behavioral2/files/0x0008000000023310-15.dat	family_ratty

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f.jar	java.exe

Loads dropped DLL 1 IoCs

pid	Process
2168	java.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1172	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f.jar = "C:\\Users\\Admin\\AppData\\Roaming\\293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f.jar"	REG.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
5060	REG.exe

Suspicious use of SetWindowsHookEx 19 IoCs

pid	Process
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe
2168	java.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 1172	2168	java.exe	95
PID 2168 wrote to memory of 1172	2168	java.exe	95
PID 2168 wrote to memory of 5060	2168	java.exe	97
PID 2168 wrote to memory of 5060	2168	java.exe	97
PID 2168 wrote to memory of 1944	2168	java.exe	98
PID 2168 wrote to memory of 1944	2168	java.exe	98
PID 2168 wrote to memory of 2592	2168	java.exe	101
PID 2168 wrote to memory of 2592	2168	java.exe	101

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1944	attrib.exe
2592	attrib.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f.jar
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\system32\icacls.exe
  C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
  2⤵
  - Modifies file permissions
  PID:1172
- C:\Windows\SYSTEM32\REG.exe
  REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f.jar" /d "C:\Users\Admin\AppData\Roaming\293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f.jar" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:5060
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f.jar
  2⤵
  - Views/modifies file attributes
  PID:1944
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f.jar
  2⤵
  - Views/modifies file attributes
  PID:2592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

File and Directory Permissions Modification

1

T1222

Hide Artifacts

1

T1564

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:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
0955ff2fd8147527517a457a9f1b31ce

SHA1
2c49663b76fce580061fb4a343dacde744ad64ce

SHA256
d3abe04ea20551e0681592b20188e24a3be146978466220bed5d30198f338bdf

SHA512
f7aeafe0c93477ecde36835eaaaa3532495f1c45c8c2582d42448b931d343ec9c987c601b4f9e4128d9c27329c6429ef1a00061fbc344184b2fd61084457a42a

Download Submit
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\293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f.jar

Filesize
634KB

MD5
d5a37c856d0e9668881e2b16bd467d16

SHA1
ebda2eab3ac988d7819c75f6ab189d498c927c17

SHA256
293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f

SHA512
520a9790d791683c26ef68fef5d98b0051ac902b76d93586feb5617bdfd84f239e35c0287d4d2da0ff28439166e6cc06b5d14abac88007919e6d655360036f63

Download Submit
memory/2168-2-0x0000013E9E360000-0x0000013E9F360000-memory.dmp

Filesize
16.0MB

Download
memory/2168-12-0x0000013E9CA80000-0x0000013E9CA81000-memory.dmp

Filesize
4KB

Download
memory/2168-19-0x0000013E9CA80000-0x0000013E9CA81000-memory.dmp

Filesize
4KB

Download
memory/2168-30-0x0000013E9CA80000-0x0000013E9CA81000-memory.dmp

Filesize
4KB

Download
memory/2168-32-0x0000000065E40000-0x0000000065E55000-memory.dmp

Filesize
84KB

Download
memory/2168-34-0x0000000065E40000-0x0000000065E55000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads