Analysis
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max time kernel
144s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23-03-2024 02:27
Behavioral task
behavioral1
Sample
adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56.jar
Resource
win10v2004-20240226-en
General
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Target
adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56.jar
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Size
64KB
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MD5
c5ccda6e6a108412c4c34cd17f3b421d
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SHA1
e9d90ce1bc7881a45cea1a583ce41724f31310d2
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SHA256
adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56
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SHA512
1d7c10bfe158fa0c75750353ebd9102afcf3f74643d2a41f7ff8563b89bc395ca3470850d8fd84cd6a1d41c8cc2e0c2ab7b2f7a4979a481bd5492c8a591fa47e
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SSDEEP
1536:grXv/fcVMHH45ofDI4extOPLjOU09xJ9d3W4U0w:gL/xHY5SStOPLjwM4U3
Malware Config
Signatures
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Drops startup file 1 IoCs
Processes:
java.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56.jar java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56 = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56.jar\"" java.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56 = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56.jar\"" java.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of WriteProcessMemory 9 IoCs
Processes:
java.execmd.exedescription pid process target process PID 2168 wrote to memory of 2520 2168 java.exe cmd.exe PID 2168 wrote to memory of 2520 2168 java.exe cmd.exe PID 2168 wrote to memory of 2520 2168 java.exe cmd.exe PID 2168 wrote to memory of 1976 2168 java.exe java.exe PID 2168 wrote to memory of 1976 2168 java.exe java.exe PID 2168 wrote to memory of 1976 2168 java.exe java.exe PID 2520 wrote to memory of 2856 2520 cmd.exe schtasks.exe PID 2520 wrote to memory of 2856 2520 cmd.exe schtasks.exe PID 2520 wrote to memory of 2856 2520 cmd.exe schtasks.exe -
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:\Windows\system32\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56.jar1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56.jar"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56.jar"3⤵
- Creates scheduled task(s)
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C:\Program Files\Java\jre7\bin\java.exe"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56.jar"2⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56.jarFilesize
64KB
MD5c5ccda6e6a108412c4c34cd17f3b421d
SHA1e9d90ce1bc7881a45cea1a583ce41724f31310d2
SHA256adb3339242b796ed48346e8d3228c8d3157ea01fbbf1590f3dbd255d62036b56
SHA5121d7c10bfe158fa0c75750353ebd9102afcf3f74643d2a41f7ff8563b89bc395ca3470850d8fd84cd6a1d41c8cc2e0c2ab7b2f7a4979a481bd5492c8a591fa47e
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memory/1976-21-0x00000000025A0000-0x00000000055A0000-memory.dmpFilesize
48.0MB
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memory/1976-28-0x0000000001C80000-0x0000000001C81000-memory.dmpFilesize
4KB
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memory/1976-30-0x00000000025A0000-0x00000000055A0000-memory.dmpFilesize
48.0MB
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memory/2168-3-0x00000000025D0000-0x00000000055D0000-memory.dmpFilesize
48.0MB
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memory/2168-10-0x0000000000150000-0x0000000000151000-memory.dmpFilesize
4KB