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Analysis
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max time kernel
242s -
max time network
252s -
platform
windows11-21h2_x64 -
resource
win11-20240709-en -
resource tags
arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system -
submitted
12/07/2024, 19:38
Behavioral task
behavioral1
Sample
62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar
Resource
win10v2004-20240709-en
Behavioral task
behavioral4
Sample
62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar
Resource
win11-20240709-en
General
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Target
62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar
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Size
275KB
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MD5
3c39f5d219ff8006dbab0ce247bf7232
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SHA1
39d19e5df70bdaa97afdf80c0ac8cbec2bb9625f
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SHA256
62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470
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SHA512
5ca723aa2ee65799180897bd263d9403aec2890e0f4d8d453b4be555f88e4223915e454e991e3d3d98b1b7f4fa388bbe947193249b2e78c2e90db38455d8ce74
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SSDEEP
6144:DYoXFR4xZ+WStJ112liBt9+CNyELmhzPlZCiu4nVB:DvDikmlG+CM1TlZC+VB
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 396 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3866437728-1832012455-4133739663-1000\Software\Microsoft\Windows\CurrentVersion\Run\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar\"" java.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 916 schtasks.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4836 wrote to memory of 2616 4836 java.exe 89 PID 4836 wrote to memory of 2616 4836 java.exe 89 PID 236 wrote to memory of 916 236 cmd.exe 95 PID 236 wrote to memory of 916 236 cmd.exe 95 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4836 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar"2⤵
- Adds Run key to start application
PID:2616 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:236 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:916
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C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar"3⤵
- Loads dropped DLL
PID:396
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD543708faa814405ab008e553b8f57a4b2
SHA1a020ed3699ece2f41db52704d2b945d88537af49
SHA256a894de333932768b20023f4faac6ccc540c087797b99a58bd21637aca1312823
SHA5125c92e0e72500d2c3bfb8ca3a9f7677aee738348fce725e3ea2269b1acd81de73e4de36449208b16ebd449d7f0362fee1fbdabd25f27418d1ff4355106ba2a14b
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3866437728-1832012455-4133739663-1000\83aa4cc77f591dfc2374580bbd95f6ba_fa64fe2b-1cd7-449d-b1db-d238591a4b8b
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd