Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
29/02/2024, 17:44
General
- Target $TEMP/lib_npp/libcef.dll
- Size 29.8MB
- Sample240229-wa7fnsga3s
- SHA256 c1e6d8d159d05d34b6d97ff8629c0a266dd7b7c0665f19a5defc33aaa307f5e2
Score
10/10
Malware Config
Signatures
- BLISTER
BLISTER is a downloader used to deliver other malware families.
- Detect Blister loader x32 1 IoCs
- VMProtect packed file 1 IoCs
Detects executables packed with VMProtect commercial packer.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\lib_npp\libcef.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\lib_npp\libcef.dll,#12⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/4296-0-0x00000000012A0000-0x00000000012A1000-memory.dmp
memory/4296-1-0x0000000001480000-0x0000000001481000-memory.dmp
memory/4296-2-0x00000000014B0000-0x00000000014B1000-memory.dmp
memory/4296-4-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/4296-3-0x00000000014C0000-0x00000000014C1000-memory.dmp
memory/4296-5-0x00000000014E0000-0x00000000014E1000-memory.dmp
memory/4296-6-0x00000000014F0000-0x00000000014F1000-memory.dmp
memory/4296-7-0x0000000072F10000-0x0000000074D1F000-memory.dmp