Analysis
- max time kernel
162s - max time network
156s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
30/01/2022, 16:01
General
- Target 20da161f0174d2867d2a296d4e2a8ebd2f0c513165de6f2a6f455abcecf78f2a.xls
- Size 486KB
- Sample220130-tgctjadffp
- SHA256 20da161f0174d2867d2a296d4e2a8ebd2f0c513165de6f2a6f455abcecf78f2a
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
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of SetWindowsHookEx 24 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\20da161f0174d2867d2a296d4e2a8ebd2f0c513165de6f2a6f455abcecf78f2a.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\Hdlamar\rdhmrarhsa.exeC:\ProgramData\Hdlamar\rdhmrarhsa.exe2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3996-116-0x00007FFA98310000-0x00007FFA98320000-memory.dmp
memory/3996-117-0x00007FFA98310000-0x00007FFA98320000-memory.dmp
memory/3996-118-0x00007FFA98310000-0x00007FFA98320000-memory.dmp
memory/3996-119-0x00007FFA98310000-0x00007FFA98320000-memory.dmp
memory/3996-120-0x00007FFA98310000-0x00007FFA98320000-memory.dmp
memory/3996-129-0x00007FFA94C50000-0x00007FFA94C60000-memory.dmp
memory/3996-130-0x00007FFA94C50000-0x00007FFA94C60000-memory.dmp
memory/3996-294-0x0000020B5C1C0000-0x0000020B5C1C4000-memory.dmp
memory/4164-320-0x00000000032C0000-0x00000000032C2000-memory.dmp
memory/4164-322-0x00000000032C2000-0x00000000032C4000-memory.dmp