Analysis
- max time kernel
93s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
20/02/2024, 02:46
Behavioral task
behavioral1
Sample
6b227cc81bae5fbe74537e84b2a57c5761a63b0b6bf26f84c305e56c2c4255ca.jar
Resource
win7-20231215-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
6b227cc81bae5fbe74537e84b2a57c5761a63b0b6bf26f84c305e56c2c4255ca.jar
Resource
win10v2004-20231215-en
3 signatures
150 seconds
General
- Target 6b227cc81bae5fbe74537e84b2a57c5761a63b0b6bf26f84c305e56c2c4255ca.jar
- Size 209KB
- Sample240220-c9b92aac83
- SHA256 6b227cc81bae5fbe74537e84b2a57c5761a63b0b6bf26f84c305e56c2c4255ca
- MD5 82ddfae819b4cb46144b03c2d68377fb
- SHA1 49d56b3c003c095d746c1fe3500dd06f4eacb704
- SHA512 ffb16eda0f7e103bec6fff763b98d7f66ef4b50391c5b8e3baeb1a68c6f03d79f7741100be1064bc16fb2e196ee22b4a2986cbc5e04f47826f7a572e9d758957
- SSDEEP 6144:0sC8dJ2Hf/ljpxyAzy7RpUV7ly1TuVPYVmyKg:0sbdo3j0Aci7ly1mIKg
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Modifies file permissions 1 TTPs 1 IoCs
pid Process 2116 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\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\server\symbols\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\dll\ntdll.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\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\symbols\dll\ntdll.pdb java.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2132 wrote to memory of 2116 2132 java.exe 85 PID 2132 wrote to memory of 2116 2132 java.exe 85
Processes
-
C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\6b227cc81bae5fbe74537e84b2a57c5761a63b0b6bf26f84c305e56c2c4255ca.jar1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
PID:2116
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 2487e13eb0d4ac0988b82247ef334b2b98eb32683610dd9c8310d9920cf9929c
- MD5 6cac64cf6eec5bd7b3b1018c04187b6f
- SHA1 92386c19109e2aa409b246c46d61820495e57696
- SHA512 92db20dd45ca1a9c4726aeb43a449d27b1547b9f36200bd8dd6092295ebd77a417a98427628abf9f01e2a3e6eda7be61fc452a963368c3eb34ea90e351774cc7
- MD5 SHA1 SHA512