Analysis
- max time kernel
150s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
22/05/2026, 03:10
General
- Target 2026-05-22_306e385c683490ad10a3acbe338ade60_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
- Size 4.3MB
- Sample260522-dn5vwsf18z
- SHA256 8b449d7c52e1e437a277f7415f80be294a15352c8d3333eda273c74c30ea26bb
Malware Config
Signatures
- Deletes itself 1 IoCs
- Executes dropped EXE 5 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in System32 directory 1 IoCs
- Drops file in Program Files directory 6 IoCs
- Drops file in Windows directory 9 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-05-22_306e385c683490ad10a3acbe338ade60_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-22_306e385c683490ad10a3acbe338ade60_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\temp0a1.exe"C:\Windows\temp0a1.exe" ejecuta2⤵
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2026-05-22_306e385c683490ad10a3acbe338ade60_cobalt-strike_elex_icedid_njrat_stealc_vidar.exeC:\Users\Admin\AppData\Local\Temp\2026-05-22_306e385c683490ad10a3acbe338ade60_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe3⤵
- Executes dropped EXE
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C:\Windows\Playsys.exeC:\Windows\Playsys.exe1⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\temp0a1.exe"C:\Windows\temp0a1.exe" ejecuta2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\Playsys.exeC:\Windows\Playsys.exe3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
2026-05-22_306e385c683490ad10a3acbe338ade60_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
Playsys.exe
Playsys.exe
bb.ico
file0a0.dat
file0a0.dat
temp0a1.exe
memory/8-15-0x0000019770250000-0x000001977025E000-memory.dmp
memory/2412-9-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2692-21-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3396-30-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4220-37-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4220-38-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4220-68-0x0000000000400000-0x0000000000414000-memory.dmp