Analysis
- max time kernel
144s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system - submitted
31/12/2023, 11:38
Behavioral task
behavioral1
Sample
doc20210812876462_PDF.jar
Resource
win7-20231129-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
doc20210812876462_PDF.jar
Resource
win10v2004-20231222-en
2 signatures
150 seconds
General
- Target doc20210812876462_PDF.jar
- Size 94KB
- Sample231231-nrtbdagbhk
- SHA256 32cbcd636b3295b79872dc883f84bd3c5f378f9e2bd64a73148e8a3d5d6d58f9
- MD5 9f431f7105d073752fd396105dc898ef
- SHA1 62058bd9d3683d7a6983d36722fede080b87c3d3
- SHA512 26df1f20d773c009df88e440a484dd5feafc8f3ef46ddf90fcd465eb1c4b44bff112a44c2f79b9168aa64564bfd7a48ec14d110384e3d5d3944b9ada1460aee0
- SSDEEP 1536:Ex4jk2LwtGGBCRLwZ0MQ6i98iZGmAT5hSXx93uf3gdTsypX7GufP16wzInBvOwv:VjLwtGLi0MQ6iS8ATo9efwfplP11zC
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Modifies file permissions 1 TTPs 1 IoCs
pid Process 388 icacls.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3768 wrote to memory of 388 3768 java.exe 90 PID 3768 wrote to memory of 388 3768 java.exe 90
Processes
-
C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\doc20210812876462_PDF.jar1⤵
- Suspicious use of WriteProcessMemory
PID:3768 -
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:388
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 cd568556859956b1bfe10e48c2d5e47de41bf18d5fe76c62edf40f1d9c4b38e9
- MD5 9ba87a3eca48f5d3b6e979181b4b0a6d
- SHA1 bacc6fb15f2b7df30674cc35ede5b529f254368a
- SHA512 9b542cc978a69faa6e4d438ac6228f1adb5c8c24f1d0d41b88c31ff910b68e9a50628512cf0af84e84ba46a7a15c00b55c045c9ccbb25a8ef51534661b0d8108
- MD5 SHA1 SHA512