Analysis
- max time kernel
93s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
03/06/2024, 18:06
General
- Target 2024-06-03_7fcf9c88b787d7707c9a2af64310ca42_bkransomware.exe
- Size 71KB
- Sample240603-wpsk3afe76
- SHA256 03d8ce33d3063a1cfbb291b35380bfc2cae63fae21a734290f477b472db0b35d
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 2 IoCs
- Drops file in Windows directory 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-03_7fcf9c88b787d7707c9a2af64310ca42_bkransomware.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_7fcf9c88b787d7707c9a2af64310ca42_bkransomware.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\CTS.exe"C:\Windows\CTS.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
excel.exe_Rules.xml
jST4m36WwEOnNeE.exe
CTS.exe