Analysis
- max time kernel
143s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
15/02/2023, 16:23
General
- Target file.exe
- Size 3.2MB
- Sample230215-tvsrxace5x
- SHA256 f4404ad962a3b6739b459dbd88207a89ec2a1f855774f6b76a3cda4deb2ecc18
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 3 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 9 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-M9KQ8.tmp\file.tmp"C:\Users\Admin\AppData\Local\Temp\is-M9KQ8.tmp\file.tmp" /SL5="$D01C6,3106560,387072,C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\FHUsoftFR\FRec215\FRec215.exe"C:\Program Files (x86)\FHUsoftFR\FRec215\FRec215.exe"3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
FRec215.exe
FRec215.exe
_iscrypt.dll
_isdecmp.dll
_isdecmp.dll
file.tmp
file.tmp
memory/4188-145-0x0000000000400000-0x0000000001556000-memory.dmp
memory/4340-141-0x0000000000400000-0x0000000000465000-memory.dmp
memory/4340-132-0x0000000000400000-0x0000000000465000-memory.dmp
memory/4340-146-0x0000000000400000-0x0000000000465000-memory.dmp
memory/4744-139-0x0000000003201000-0x0000000003203000-memory.dmp