ratty | 2436fa28a278522c298b3a398ddc553c96c4be29ae7b433a999ad49ac71d656c

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2024, 04:21

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General

Target
af7f264ed40f293a01ee685ee7d42daf_JaffaCakes118.jar
Size 332KB
Sample240404-eynj2aee6w
SHA256 2436fa28a278522c298b3a398ddc553c96c4be29ae7b433a999ad49ac71d656c
MD5 af7f264ed40f293a01ee685ee7d42daf
SHA1 a20caef9550c2ae144529b60598b5f58e63a409a
SHA512 05a060fe3d4b9f92180987d742e5ecad0deb1c5d2cbb1deec0fb31af8ddc5aa867b73ac0b9af02a764c453ba50fc4e9bd6d42b83b294a9e9bcf91b32c34ded7d
SSDEEP 6144:JZjgS007NNMX/+DoklCAFNWClCA+jp02GmaZ/ZJSEPavLFjt+WU:JZNNNzbCClCA+jp02GmWhJnav5jU7
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/0x0008000000023327-14.dat	family_ratty

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\af7f264ed40f293a01ee685ee7d42daf_JaffaCakes118.jar	java.exe

Loads dropped DLL 1 IoCs

pid	Process
1968	java.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
760	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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\af7f264ed40f293a01ee685ee7d42daf_JaffaCakes118.jar = "C:\\Users\\Admin\\AppData\\Roaming\\af7f264ed40f293a01ee685ee7d42daf_JaffaCakes118.jar"	REG.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1728	REG.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1968	java.exe
1968	java.exe
1968	java.exe
1968	java.exe
1968	java.exe
1968	java.exe
1968	java.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 760	1968	java.exe	95
PID 1968 wrote to memory of 760	1968	java.exe	95
PID 1968 wrote to memory of 1728	1968	java.exe	97
PID 1968 wrote to memory of 1728	1968	java.exe	97
PID 1968 wrote to memory of 1704	1968	java.exe	98
PID 1968 wrote to memory of 1704	1968	java.exe	98
PID 1968 wrote to memory of 4640	1968	java.exe	100
PID 1968 wrote to memory of 4640	1968	java.exe	100

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1704	attrib.exe
4640	attrib.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\af7f264ed40f293a01ee685ee7d42daf_JaffaCakes118.jar
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1968
- 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:760
- C:\Windows\SYSTEM32\REG.exe
  REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "af7f264ed40f293a01ee685ee7d42daf_JaffaCakes118.jar" /d "C:\Users\Admin\AppData\Roaming\af7f264ed40f293a01ee685ee7d42daf_JaffaCakes118.jar" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:1728
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\af7f264ed40f293a01ee685ee7d42daf_JaffaCakes118.jar
  2⤵
  - Views/modifies file attributes
  PID:1704
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\af7f264ed40f293a01ee685ee7d42daf_JaffaCakes118.jar
  2⤵
  - Views/modifies file attributes
  PID:4640

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3284 --field-trial-handle=2232,i,10468259530860544675,2192522633371581869,262144 --variations-seed-version /prefetch:8
1⤵
PID:2044

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 5517a3eb44b4ea920381a5c9a7a7ea1e0130e925477b7ad17c6c4acda00b8161
MD5 08664879a45db394d0ffbe9c4b70521a
SHA1 403e33e107bd9e75e8e757b922cf0761f9e604f7
SHA512 8a46c543c0a636a32ed824c326b17532fec3b0544b336e18471cf0478185535cff36d3557d5395f4a935333b8d95b3605c4771e3217fb361a3cd2bca9855bd6d
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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af7f264ed40f293a01ee685ee7d42daf_JaffaCakes118.jar

Path C:\Users\Admin\AppData\Roaming\af7f264ed40f293a01ee685ee7d42daf_JaffaCakes118.jar
Size 332KB
SHA256 2436fa28a278522c298b3a398ddc553c96c4be29ae7b433a999ad49ac71d656c
MD5 af7f264ed40f293a01ee685ee7d42daf
SHA1 a20caef9550c2ae144529b60598b5f58e63a409a
SHA512 05a060fe3d4b9f92180987d742e5ecad0deb1c5d2cbb1deec0fb31af8ddc5aa867b73ac0b9af02a764c453ba50fc4e9bd6d42b83b294a9e9bcf91b32c34ded7d
SSDEEP 6144:JZjgS007NNMX/+DoklCAFNWClCA+jp02GmaZ/ZJSEPavLFjt+WU:JZNNNzbCClCA+jp02GmWhJnav5jU7
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1968-4-0x00000111B85C0000-0x00000111B95C0000-memory.dmp

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memory/1968-18-0x00000111B6CE0000-0x00000111B6CE1000-memory.dmp

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memory/1968-27-0x00000111B6CE0000-0x00000111B6CE1000-memory.dmp

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memory/1968-29-0x0000000065E40000-0x0000000065E55000-memory.dmp

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memory/1968-32-0x00000111B85C0000-0x00000111B95C0000-memory.dmp

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memory/1968-34-0x0000000065E40000-0x0000000065E55000-memory.dmp

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memory/1968-40-0x0000000065E40000-0x0000000065E55000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads