Analysis
- max time kernel
150s - max time network
152s - platform
windows10_x64 - resource
win10v20210408 - 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 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 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⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/656-116-0x00000000021C0000-0x00000000021CF000-memory.dmp
memory/656-121-0x0000000077D90000-0x0000000077F1E000-memory.dmp
memory/656-122-0x0000000077D90000-0x0000000077F1E000-memory.dmp
memory/656-120-0x00007FFA99270000-0x00007FFA9944B000-memory.dmp
memory/3728-118-0x0000000000400000-0x0000000000553000-memory.dmp
memory/3728-119-0x0000000000401000-0x00000000004FD000-memory.dmp
memory/3728-123-0x0000000000560000-0x0000000000660000-memory.dmp
memory/3728-124-0x00007FFA99270000-0x00007FFA9944B000-memory.dmp
memory/3728-125-0x0000000077D90000-0x0000000077F1E000-memory.dmp