Analysis
- max time kernel
157s - max time network
166s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
11/10/2023, 22:52
General
- Target 0dde47d0905eb44af2fe7b3604c88ceb170b977312730dabd17a96de610a33b6_JC.exe
- Size 873KB
- Sample231011-2ts1aaca93
- SHA256 0dde47d0905eb44af2fe7b3604c88ceb170b977312730dabd17a96de610a33b6
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.
- Loads dropped DLL 6 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 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\0dde47d0905eb44af2fe7b3604c88ceb170b977312730dabd17a96de610a33b6_JC.exe"C:\Users\Admin\AppData\Local\Temp\0dde47d0905eb44af2fe7b3604c88ceb170b977312730dabd17a96de610a33b6_JC.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\windows mail\wab.exe"C:\Users\Admin\AppData\Local\Temp\0dde47d0905eb44af2fe7b3604c88ceb170b977312730dabd17a96de610a33b6_JC.exe"2⤵
- Checks QEMU agent file
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
BgImage.dll
BgImage.dll
BgImage.dll
System.dll
System.dll
System.dll
nsDialogs.dll
nsDialogs.dll
nsDialogs.dll
memory/1072-31-0x0000000001030000-0x00000000029D7000-memory.dmp
memory/1072-33-0x0000000001030000-0x00000000029D7000-memory.dmp
memory/1072-35-0x0000000077CC1000-0x0000000077DE1000-memory.dmp
memory/1072-34-0x0000000077D48000-0x0000000077D49000-memory.dmp
memory/1072-36-0x0000000073620000-0x0000000074874000-memory.dmp
memory/3336-27-0x0000000004A30000-0x00000000063D7000-memory.dmp
memory/3336-28-0x0000000077CC1000-0x0000000077DE1000-memory.dmp
memory/3336-29-0x0000000077CC1000-0x0000000077DE1000-memory.dmp
memory/3336-30-0x0000000074B20000-0x0000000074B27000-memory.dmp
memory/3336-26-0x0000000004A30000-0x00000000063D7000-memory.dmp