Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
22/05/2024, 14:36
General
- Target 9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe
- Size 1.3MB
- Sample240522-rykjlaee91
- SHA256 9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475
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 NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 1 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe"C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe"C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/448-39-0x0000000077A85000-0x0000000077A86000-memory.dmp
memory/448-55-0x00000000779E1000-0x0000000077B01000-memory.dmp
memory/448-53-0x0000000001660000-0x0000000003028000-memory.dmp
memory/448-35-0x0000000000400000-0x0000000001654000-memory.dmp
memory/448-36-0x0000000001660000-0x0000000003028000-memory.dmp
memory/448-52-0x0000000000400000-0x0000000001654000-memory.dmp
memory/448-38-0x0000000077A68000-0x0000000077A69000-memory.dmp
memory/2200-34-0x0000000010004000-0x0000000010005000-memory.dmp
memory/2200-37-0x0000000004B20000-0x00000000064E8000-memory.dmp
memory/2200-33-0x00000000779E1000-0x0000000077B01000-memory.dmp
memory/2200-32-0x0000000004B20000-0x00000000064E8000-memory.dmp
memory/2200-60-0x0000000004B20000-0x00000000064E8000-memory.dmp