f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129

Analysis

max time kernel
91s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2024, 04:50

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129.jar
Size 3.8MB
Sample240212-ff96radc26
SHA256 f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129
MD5 8eaf647dfb34faa67b34b3af95774dc4
SHA1 d96ae71d90a4b1af9fd951de2974e2ba135b51fe
SHA512 784e1d738fbf105457db00a1863fc826640b579315f652c8abd3d2b0014e4a677f75d06d6ab11fbe882b2486914597fa20686b4a1576f667ea6f9d473fd0c6ae
SSDEEP 98304:DP+7oAwItpzdgj2WistOIk8AevgvmgCFBpxex7cU:j+75wI/wicBWeo7Cxxg
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2164	icacls.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	java.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3300	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 2164	3300	java.exe	85
PID 3300 wrote to memory of 2164	3300	java.exe	85

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3300
- 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:2164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

3903daac9bc4a3b7.timestamp

Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Size 46B
SHA256 ed94e926238dba9a108f732947517edb7bd5c82f70d06efbd5f5e2920db37659
MD5 b4b6e90791bf1b251b852caa92be4a43
SHA1 d9d1dbcf0d155885b657e66a07774a1db70a99ad
SHA512 3f85e2bbb2649e18b6a135b6f44be208e2c2ba4527628f30c9114ea8c67f8788b34435b07d9703ff0532867359f4f7e8a600e64cb3b702a4db840349af82fd1d
MD5 SHA1 SHA512

Submit Download

memory/3300-4-0x0000024D4CF20000-0x0000024D4DF20000-memory.dmp

Download