Analysis
- max time kernel
150s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
31/03/2024, 16:07
Behavioral task
behavioral1
Sample
58033c34f29d72ad5baebf2193d17d73_JaffaCakes118.jar
Resource
win7-20240221-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
58033c34f29d72ad5baebf2193d17d73_JaffaCakes118.jar
Resource
win10v2004-20240226-en
3 signatures
150 seconds
General
- Target 58033c34f29d72ad5baebf2193d17d73_JaffaCakes118.jar
- Size 184KB
- Sample240331-tkqvkafb24
- SHA256 00d5640fdd3c1dd3baca7b092ec5aba640394a254477f79a9a58e2c9732babeb
- MD5 58033c34f29d72ad5baebf2193d17d73
- SHA1 780ef4d0957c081f17928c16a21cda1240c0a2a0
- SHA512 5e90aa6de3bfe2f2e7c60262504f3ae1f6b34d3fe6e2810230a764440ee0bac91409d4011ae0756582051766f9e4be88c26ba630374cd70093119ecb603c8808
- SSDEEP 3072:xzoOjHvZrRuCuCg37SKJ3rCFF24ht9LLznwaJuSchmi+Kjyk9A6ppq/DdmHjN/j3:xzrbZrMWNv5TJK99jERcDhmpE
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Modifies file permissions 1 TTPs 1 IoCs
pid Process 3996 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\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\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\server\dll\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\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\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 4072 wrote to memory of 3996 4072 java.exe 85 PID 4072 wrote to memory of 3996 4072 java.exe 85
Processes
-
C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\58033c34f29d72ad5baebf2193d17d73_JaffaCakes118.jar1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4072 -
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:3996
-
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 310cbb433fa01136e07f328b91e8dea30b83f188a280b86851cf186415feeaee
- MD5 82a20b11b9eac67f862e5667e286151d
- SHA1 eb9e68ba3cb0c4562ae46f5f2952585c91993eda
- SHA512 1836a2df71a05d71d4a4d6983636593abeb955c8c2f04922dae745fad2c271c0936306ae33d6d07d7ca7ade562268667a505b8750c71ae1f95bd55cfe507b34d
- MD5 SHA1 SHA512