Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
11/05/2024, 03:11
General
- Target 0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar
- Size 64KB
- Sample240511-dpp6tsab2y
- SHA256 0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb
Malware Config
Signatures
- STRRAT
STRRAT is a remote access tool than can steal credentials and log keystrokes.
- Drops startup file 1 IoCs
- Modifies file permissions 1 TTPs 1 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of WriteProcessMemory 8 IoCs
- 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
-
C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
-
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C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.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\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar"3⤵
- Creates scheduled task(s)
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-
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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\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar
3903daac9bc4a3b7.timestamp
memory/3068-36-0x000002CADE210000-0x000002CADE220000-memory.dmp
memory/3068-35-0x000002CADE200000-0x000002CADE210000-memory.dmp
memory/3068-19-0x000002CADE230000-0x000002CADE240000-memory.dmp
memory/3068-21-0x000002CADE240000-0x000002CADE250000-memory.dmp
memory/3068-18-0x000002CADE220000-0x000002CADE230000-memory.dmp
memory/3068-15-0x000002CADE210000-0x000002CADE220000-memory.dmp
memory/3068-24-0x000002CADE250000-0x000002CADE260000-memory.dmp
memory/3068-25-0x000002CADE260000-0x000002CADE270000-memory.dmp
memory/3068-33-0x000002CADDF70000-0x000002CADDF71000-memory.dmp
memory/3068-34-0x000002CADDF90000-0x000002CADE200000-memory.dmp
memory/3068-41-0x000002CADE260000-0x000002CADE270000-memory.dmp
memory/3068-40-0x000002CADE250000-0x000002CADE260000-memory.dmp
memory/3068-39-0x000002CADE240000-0x000002CADE250000-memory.dmp
memory/3068-38-0x000002CADE230000-0x000002CADE240000-memory.dmp
memory/3068-37-0x000002CADE220000-0x000002CADE230000-memory.dmp
memory/3068-14-0x000002CADE200000-0x000002CADE210000-memory.dmp
memory/3068-2-0x000002CADDF90000-0x000002CADE200000-memory.dmp
memory/4656-57-0x0000020A32430000-0x0000020A32440000-memory.dmp
memory/4656-71-0x0000020A30930000-0x0000020A30931000-memory.dmp
memory/4656-55-0x0000020A32420000-0x0000020A32430000-memory.dmp
memory/4656-59-0x0000020A32440000-0x0000020A32450000-memory.dmp
memory/4656-63-0x0000020A32460000-0x0000020A32470000-memory.dmp
memory/4656-62-0x0000020A32450000-0x0000020A32460000-memory.dmp
memory/4656-66-0x0000020A32470000-0x0000020A32480000-memory.dmp
memory/4656-68-0x0000020A32480000-0x0000020A32490000-memory.dmp
memory/4656-70-0x0000020A32490000-0x0000020A324A0000-memory.dmp
memory/4656-45-0x0000020A321B0000-0x0000020A32420000-memory.dmp
memory/4656-73-0x0000020A321B0000-0x0000020A32420000-memory.dmp
memory/4656-74-0x0000020A32420000-0x0000020A32430000-memory.dmp
memory/4656-75-0x0000020A32430000-0x0000020A32440000-memory.dmp
memory/4656-76-0x0000020A32440000-0x0000020A32450000-memory.dmp
memory/4656-78-0x0000020A32460000-0x0000020A32470000-memory.dmp
memory/4656-77-0x0000020A32450000-0x0000020A32460000-memory.dmp
memory/4656-79-0x0000020A32470000-0x0000020A32480000-memory.dmp
memory/4656-80-0x0000020A32480000-0x0000020A32490000-memory.dmp
memory/4656-81-0x0000020A32490000-0x0000020A324A0000-memory.dmp
memory/4656-84-0x0000020A324A0000-0x0000020A324B0000-memory.dmp