Resubmissions
18/09/2024, 11:17
240918-ndn5haxejf1018/09/2024, 11:06
240918-m7jlfaxbpe1018/09/2024, 10:55
240918-m1jymawhkb10Analysis
- max time kernel
299s - max time network
301s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
18/09/2024, 11:06
Behavioral task
behavioral1
Sample
piska.jar
Resource
win7-20240903-en
0 signatures
300 seconds
Behavioral task
behavioral2
Sample
piska.jar
Resource
win10v2004-20240802-en
4 signatures
300 seconds
General
- Target piska.jar
- Size 11.7MB
- Sample240918-m7jlfaxbpe
- SHA256 035df58f5ccdcb81c884cc75ae240d2b3154036891943e320d85fd7e0bd9812f
- MD5 bc6ec61bb248f512774199b06bf2d18c
- SHA1 9a7f6407c6bdca79215064c7c50b8640a790c981
- SHA512 192db50b90bdbaba6ebaefabf057836f029085173060216e9cc17cbb2d1669df48db84d5b6bbf77569dab992e5dadd2ac5d38a57861694d43db9f354d4b7e9f8
- SSDEEP 196608:dtFQ7YpUD7IGaCxhYCVryXIdyXQ4AjhUDEeYsuR2rFBUQlFJikaF4Ljs63Ajz:u97IX/CdOytiQuu0FSQv4pF2PAjz
- MD5 SHA1 SHA512 SSDEEP
Score
6/10
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1726657592832.tmp" reg.exe - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2732 java.exe 2732 java.exe 2732 java.exe 2732 java.exe 2732 java.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2732 wrote to memory of 996 2732 java.exe 92 PID 2732 wrote to memory of 996 2732 java.exe 92 PID 2732 wrote to memory of 3840 2732 java.exe 94 PID 2732 wrote to memory of 3840 2732 java.exe 94 PID 3840 wrote to memory of 2076 3840 cmd.exe 96 PID 3840 wrote to memory of 2076 3840 cmd.exe 96 - Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 996 attrib.exe
Processes
-
C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\piska.jar1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Windows\SYSTEM32\attrib.exeattrib +H C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1726657592832.tmp2⤵
- Views/modifies file attributes
PID:996
-
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1726657592832.tmp" /f"2⤵
- Suspicious use of WriteProcessMemory
PID:3840 -
C:\Windows\system32\reg.exeREG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1726657592832.tmp" /f3⤵
- Adds Run key to start application
PID:2076
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-
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1036,i,4356837537417149674,16553092232944545509,262144 --variations-seed-version --mojo-platform-channel-handle=3676 /prefetch:81⤵PID:3472
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1726657592832.tmp
- Size 11.7MB
- SHA256 035df58f5ccdcb81c884cc75ae240d2b3154036891943e320d85fd7e0bd9812f
- MD5 bc6ec61bb248f512774199b06bf2d18c
- SHA1 9a7f6407c6bdca79215064c7c50b8640a790c981
- SHA512 192db50b90bdbaba6ebaefabf057836f029085173060216e9cc17cbb2d1669df48db84d5b6bbf77569dab992e5dadd2ac5d38a57861694d43db9f354d4b7e9f8
- SSDEEP 196608:dtFQ7YpUD7IGaCxhYCVryXIdyXQ4AjhUDEeYsuR2rFBUQlFJikaF4Ljs63Ajz:u97IX/CdOytiQuu0FSQv4pF2PAjz
- MD5 SHA1 SHA512 SSDEEP