Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
08/05/2024, 15:28
General
- Target Scries.exe
- Size 488KB
- Sample240508-swbdksde46
- SHA256 73fbcba5b46a4335d5baa96f30210fb1aae96faf0c5ef80b5254b3bdaba922da
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 5 IoCs
- Drops file in Program Files directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 54 IoCs
- Suspicious behavior: MapViewOfSection 8 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Scries.exe"C:\Users\Admin\AppData\Local\Temp\Scries.exe"2⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Scries.exe"C:\Users\Admin\AppData\Local\Temp\Scries.exe"3⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
-
-
C:\Windows\SysWOW64\secinit.exe"C:\Windows\SysWOW64\secinit.exe"2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/544-92-0x0000000000350000-0x000000000038F000-memory.dmp
memory/544-90-0x0000000000350000-0x000000000038F000-memory.dmp
memory/1340-100-0x000001EB5FF70000-0x000001EB6003A000-memory.dmp
memory/2580-63-0x0000000004230000-0x0000000005B60000-memory.dmp
memory/2580-64-0x00000000775C1000-0x00000000776E1000-memory.dmp
memory/2580-65-0x0000000010004000-0x0000000010005000-memory.dmp
memory/2580-83-0x0000000004230000-0x0000000005B60000-memory.dmp
memory/2716-82-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2716-69-0x0000000077665000-0x0000000077666000-memory.dmp
memory/2716-84-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2716-86-0x0000000001660000-0x0000000002F90000-memory.dmp
memory/2716-87-0x00000000775C1000-0x00000000776E1000-memory.dmp
memory/2716-89-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2716-68-0x0000000077648000-0x0000000077649000-memory.dmp
memory/2716-91-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2716-67-0x0000000001660000-0x0000000002F90000-memory.dmp
memory/2716-66-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3444-93-0x00000000083A0000-0x00000000084B6000-memory.dmp