Analysis
- max time kernel
142s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
21/08/2024, 10:09
General
- Target 4142f2d4724e38b3a0712411f9f6144c9881bdd42cde4f3601a5a4f295b5290e.exe
- Size 655KB
- Sample240821-l6tvcaseka
- SHA256 4142f2d4724e38b3a0712411f9f6144c9881bdd42cde4f3601a5a4f295b5290e
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 7 IoCs
- Drops file in System32 directory 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 2 IoCs
- Drops file in Windows directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4142f2d4724e38b3a0712411f9f6144c9881bdd42cde4f3601a5a4f295b5290e.exe"C:\Users\Admin\AppData\Local\Temp\4142f2d4724e38b3a0712411f9f6144c9881bdd42cde4f3601a5a4f295b5290e.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\windows mail\wab.exe"C:\Users\Admin\AppData\Local\Temp\4142f2d4724e38b3a0712411f9f6144c9881bdd42cde4f3601a5a4f295b5290e.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Seqwl.lnk
LangDLL.dll
System.dll
edelgave.ini
memory/548-913-0x0000000077491000-0x00000000775B1000-memory.dmp
memory/548-912-0x0000000004E10000-0x0000000006D71000-memory.dmp
memory/548-911-0x0000000004E10000-0x0000000006D71000-memory.dmp
memory/548-914-0x0000000077491000-0x00000000775B1000-memory.dmp
memory/548-915-0x0000000073B85000-0x0000000073B86000-memory.dmp
memory/548-924-0x0000000004E10000-0x0000000006D71000-memory.dmp
memory/3684-916-0x0000000002210000-0x0000000004171000-memory.dmp
memory/3684-917-0x0000000000FB0000-0x0000000002204000-memory.dmp
memory/3684-918-0x0000000002210000-0x0000000004171000-memory.dmp