Analysis
- max time kernel
344s - max time network
379s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
08/12/2022, 13:32
General
- Target file.exe
- Size 2.2MB
- Sample221208-qsynladb3x
- SHA256 cebb9d836fff5fb29b3a27fcccca961466b1261c381dd93c336f66df772d4149
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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-DDCQ5.tmp\is-78V9F.tmp"C:\Users\Admin\AppData\Local\Temp\is-DDCQ5.tmp\is-78V9F.tmp" /SL4 $801CE "C:\Users\Admin\AppData\Local\Temp\file.exe" 2063734 737282⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\PrintFolders\IntFolders.exe"C:\Program Files (x86)\PrintFolders\IntFolders.exe"3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
IntFolders.exe
IntFolders.exe
_iscrypt.dll
is-78V9F.tmp
is-78V9F.tmp
memory/868-132-0x0000000000400000-0x0000000000418000-memory.dmp
memory/868-136-0x0000000000400000-0x0000000000418000-memory.dmp
memory/1800-142-0x0000000000400000-0x000000000154A000-memory.dmp