Analysis
- max time kernel
143s - max time network
137s - platform
windows10_x64 - resource
win10v20201028 - submitted
30/11/2020, 00:30
General
- Target 297a331c90ab8923b7d44a8c2e59f7b8.exe
- Size 296KB
- Sample201130-h5xxt4rl3a
- SHA256 4546bf50e116c0cc49d206b2be2815f2724944ba7aa0b305837f90dbddd863c7
Score
10/10
Malware Config
Signatures
- CrimsonRAT Main Payload 2 IoCs
- CrimsonRat
Crimson RAT is a malware linked to a Pakistani-linked threat actor.
- Executes dropped EXE 1 IoCs
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Modifies registry class 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious use of SetWindowsHookEx 19 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\297a331c90ab8923b7d44a8c2e59f7b8.exe"C:\Users\Admin\AppData\Local\Temp\297a331c90ab8923b7d44a8c2e59f7b8.exe"1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\Documents\297a331c90ab8923b7d44a8c2e59f7b8-03-.doc" /o ""2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
-
-
C:\ProgramData\Hinthavra\fhrnthivesa.exe"C:\ProgramData\Hinthavra\fhrnthivesa.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/816-2-0x00007FFB852D0000-0x00007FFB85CBC000-memory.dmp
memory/816-3-0x000002A61A090000-0x000002A61A091000-memory.dmp
memory/1684-6-0x00007FFB7F0C0000-0x00007FFB7F6F7000-memory.dmp
memory/3760-10-0x00007FFB852D0000-0x00007FFB85CBC000-memory.dmp
memory/3760-11-0x000001E9E8390000-0x000001E9E8391000-memory.dmp