Analysis
- max time kernel
149s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
08/07/2022, 14:16
General
- Target ff4b30626c02187e511ebcfb5f875a844b7a528cbfd109d9ea38801978267b60.exe
- Size 616KB
- Sample220708-rlb2paddam
- SHA256 ff4b30626c02187e511ebcfb5f875a844b7a528cbfd109d9ea38801978267b60
Malware Config
Extracted
-
cryptbot
-
kypersav13.top
-
morttttb05.top
-
payload_url
http://weloadq12.top/download.php?file=lv.exe
Signatures
- CryptBot
A C++ stealer distributed widely in bundle with other software.
- CryptBot payload 4 IoCs
- UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious use of FindShellTrayWindow 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ff4b30626c02187e511ebcfb5f875a844b7a528cbfd109d9ea38801978267b60.exe"C:\Users\Admin\AppData\Local\Temp\ff4b30626c02187e511ebcfb5f875a844b7a528cbfd109d9ea38801978267b60.exe"1⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4068-130-0x0000000000400000-0x000000000481B000-memory.dmp
memory/4068-131-0x0000000004D00000-0x0000000004DA0000-memory.dmp
memory/4068-132-0x0000000004C60000-0x0000000004CC7000-memory.dmp
memory/4068-133-0x0000000000400000-0x000000000481B000-memory.dmp
memory/4068-134-0x0000000004D00000-0x0000000004DA0000-memory.dmp
memory/4068-135-0x0000000000400000-0x000000000481B000-memory.dmp