ratty | 293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f

Analysis

max time kernel
39s
max time network
49s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/04/2024, 12:18

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General

Target
293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f.jar
Size 634KB
Sample240405-pg217sbg3y
SHA256 293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f
MD5 d5a37c856d0e9668881e2b16bd467d16
SHA1 ebda2eab3ac988d7819c75f6ab189d498c927c17
SHA512 520a9790d791683c26ef68fef5d98b0051ac902b76d93586feb5617bdfd84f239e35c0287d4d2da0ff28439166e6cc06b5d14abac88007919e6d655360036f63
SSDEEP 12288:QdEThNA1mApKnMcL0mcjkJyiS5jUjClC/+jp5Uam2G+hJDW:Og7AsAEnMcL0DjksiSJmClCo3xGu1W
MD5 SHA1 SHA512 SSDEEP

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

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

File and Directory Permissions Modification

T1222

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

3903daac9bc4a3b7.timestamp

Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Size 46B
SHA256 d3abe04ea20551e0681592b20188e24a3be146978466220bed5d30198f338bdf
MD5 0955ff2fd8147527517a457a9f1b31ce
SHA1 2c49663b76fce580061fb4a343dacde744ad64ce
SHA512 f7aeafe0c93477ecde36835eaaaa3532495f1c45c8c2582d42448b931d343ec9c987c601b4f9e4128d9c27329c6429ef1a00061fbc344184b2fd61084457a42a
MD5 SHA1 SHA512

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JNativeHook-7432773EB4D09DC286D43FCC77DDB0E1E3BCE2B4.dll

Path C:\Users\Admin\AppData\Local\Temp\JNativeHook-7432773EB4D09DC286D43FCC77DDB0E1E3BCE2B4.dll
Size 83KB
SHA256 47c2871dff8948de40424df497962ea6167c56bd4d487dd2e660aa2837485e25
MD5 55f4de7f270663b3dc712b8c9eed422a
SHA1 7432773eb4d09dc286d43fcc77ddb0e1e3bce2b4
SHA512 9da5efb0236b3bb4ec72d07bfd70a9e3f373df95d97c825513babd43d2b91c8669e28f3464173e789dad092ea48fc8d32a9d11a6d5c8d9beeabd33860ce6a996
SSDEEP 768:mp84E8R0D3YdcGIJb2nQqnJG7PlIcQOqrYiqCxMTMF7F16x7j/7V:yrmDWlIhcIIctqrY+xVR1+j/7V
MD5 SHA1 SHA512 SSDEEP

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293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f.jar

Path C:\Users\Admin\AppData\Roaming\293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f.jar
Size 634KB
SHA256 293bb44126b4c7b7a49822d7a10e873f57daba7c2e4c4a9116bc28659d03744f
MD5 d5a37c856d0e9668881e2b16bd467d16
SHA1 ebda2eab3ac988d7819c75f6ab189d498c927c17
SHA512 520a9790d791683c26ef68fef5d98b0051ac902b76d93586feb5617bdfd84f239e35c0287d4d2da0ff28439166e6cc06b5d14abac88007919e6d655360036f63
SSDEEP 12288:QdEThNA1mApKnMcL0mcjkJyiS5jUjClC/+jp5Uam2G+hJDW:Og7AsAEnMcL0DjksiSJmClCo3xGu1W
MD5 SHA1 SHA512 SSDEEP

Submit Download

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

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

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

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

Download

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

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

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads