39ab8b4c44eae3af560333ef83087a2d211e5af82c052b48a8fbb131f5f8850a

Analysis

max time kernel
138s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
18-11-2024 01:02

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General

Target

build.jar
Size

639KB
MD5

05cd38abce621fde1103b965f7f00df8
SHA1

f82c514ade69b502bae3dce7e4d52959a15cbf56
SHA256

39ab8b4c44eae3af560333ef83087a2d211e5af82c052b48a8fbb131f5f8850a
SHA512

710574dc04fd0f6b497082757bbf47dd11a9b2ab94f9c33d8ae01b87001011b7f4132d9d98861fc11c143ca7c02b716144a533f29e67fb946fabc60770abd43d
SSDEEP

12288:HTRwQW/q4a94n4zgY8vjg0/JR/+9emNqZTggBmRUV3iuk2ZoSlLDEm:HTOQaS9I4kvjg0bO3qZ0aPiu5ZzlLDEm

Score

6^/10

persistence

Malware Config

Signatures

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-1-5-21-2410826464-2353372766-2364966905-1000\Software\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1731891743328.tmp"	reg.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3756	java.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 3660	3756	java.exe	78
PID 3756 wrote to memory of 3660	3756	java.exe	78
PID 3660 wrote to memory of 1124	3660	cmd.exe	80
PID 3660 wrote to memory of 1124	3660	cmd.exe	80

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\build.jar
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3756
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c "REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1731891743328.tmp" /f"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3660
- - C:\Windows\system32\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1731891743328.tmp" /f
    3⤵
    - Adds Run key to start application
    PID:1124

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

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3756-2-0x00000211E5980000-0x00000211E5BF0000-memory.dmp

Filesize
2.4MB

Download
memory/3756-14-0x00000211E40B0000-0x00000211E40B1000-memory.dmp

Filesize
4KB

Download
memory/3756-16-0x00000211E5BF0000-0x00000211E5C00000-memory.dmp

Filesize
64KB

Download
memory/3756-18-0x00000211E5C00000-0x00000211E5C10000-memory.dmp

Filesize
64KB

Download
memory/3756-20-0x00000211E5C10000-0x00000211E5C20000-memory.dmp

Filesize
64KB

Download
memory/3756-23-0x00000211E5C20000-0x00000211E5C30000-memory.dmp

Filesize
64KB

Download
memory/3756-24-0x00000211E5C30000-0x00000211E5C40000-memory.dmp

Filesize
64KB

Download
memory/3756-26-0x00000211E5C40000-0x00000211E5C50000-memory.dmp

Filesize
64KB

Download
memory/3756-28-0x00000211E5C50000-0x00000211E5C60000-memory.dmp

Filesize
64KB

Download
memory/3756-31-0x00000211E5C60000-0x00000211E5C70000-memory.dmp

Filesize
64KB

Download
memory/3756-35-0x00000211E5980000-0x00000211E5BF0000-memory.dmp

Filesize
2.4MB

Download
memory/3756-36-0x00000211E5C70000-0x00000211E5C80000-memory.dmp

Filesize
64KB

Download
memory/3756-39-0x00000211E40B0000-0x00000211E40B1000-memory.dmp

Filesize
4KB

Download
memory/3756-40-0x00000211E5BF0000-0x00000211E5C00000-memory.dmp

Filesize
64KB

Download
memory/3756-42-0x00000211E5C00000-0x00000211E5C10000-memory.dmp

Filesize
64KB

Download
memory/3756-43-0x00000211E5C10000-0x00000211E5C20000-memory.dmp

Filesize
64KB

Download
memory/3756-44-0x00000211E5C20000-0x00000211E5C30000-memory.dmp

Filesize
64KB

Download
memory/3756-45-0x00000211E5C30000-0x00000211E5C40000-memory.dmp

Filesize
64KB

Download
memory/3756-46-0x00000211E5C40000-0x00000211E5C50000-memory.dmp

Filesize
64KB

Download
memory/3756-47-0x00000211E5C50000-0x00000211E5C60000-memory.dmp

Filesize
64KB

Download
memory/3756-48-0x00000211E5C60000-0x00000211E5C70000-memory.dmp

Filesize
64KB

Download
memory/3756-49-0x00000211E5C70000-0x00000211E5C80000-memory.dmp

Filesize
64KB

Download
memory/3756-53-0x00000211E5C80000-0x00000211E5C90000-memory.dmp

Filesize
64KB

Download
memory/3756-54-0x00000211E5C80000-0x00000211E5C90000-memory.dmp

Filesize
64KB

Download
memory/3756-58-0x00000211E5C90000-0x00000211E5CA0000-memory.dmp

Filesize
64KB

Download
memory/3756-63-0x00000211E5C90000-0x00000211E5CA0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads