Analysis
- max time kernel
145s - max time network
150s - platform
windows7_x64 - resource
win7-en-20210916 - submitted
20/09/2021, 13:57
General
- Target c666c22685d135c1efe709cbedd0eb6b.exe
- Size 80KB
- Sample210920-q89e2aecb9
- SHA256 a393c2aa773ef090f5e907c90c5cf90d67c2b6db2a2ffedac0b75c748f3a7b45
Score
10/10
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks QEMU agent file 2 TTPs 1 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c666c22685d135c1efe709cbedd0eb6b.exe"C:\Users\Admin\AppData\Local\Temp\c666c22685d135c1efe709cbedd0eb6b.exe"1⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\c666c22685d135c1efe709cbedd0eb6b.exe"C:\Users\Admin\AppData\Local\Temp\c666c22685d135c1efe709cbedd0eb6b.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/792-55-0x0000000000420000-0x000000000042F000-memory.dmp
memory/792-57-0x0000000076911000-0x0000000076913000-memory.dmp
memory/792-60-0x00000000778F0000-0x0000000077A99000-memory.dmp
memory/792-61-0x0000000077AD0000-0x0000000077C50000-memory.dmp
memory/792-62-0x0000000077AE0000-0x0000000077BB6000-memory.dmp
memory/952-59-0x0000000000400000-0x0000000000553000-memory.dmp
memory/952-63-0x00000000001B0000-0x00000000002B0000-memory.dmp