Analysis
- max time kernel
178s - max time network
189s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
08/07/2022, 07:04
General
- Target d2a1e7e5ba6b85392c4cba6cc63ebd7dfded4eead4632b2d2d8e98f6e8422d15.exe
- Size 617KB
- Sample220708-hv712sedek
- SHA256 d2a1e7e5ba6b85392c4cba6cc63ebd7dfded4eead4632b2d2d8e98f6e8422d15
Malware Config
Extracted
-
cryptbot
-
kypersan11.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\d2a1e7e5ba6b85392c4cba6cc63ebd7dfded4eead4632b2d2d8e98f6e8422d15.exe"C:\Users\Admin\AppData\Local\Temp\d2a1e7e5ba6b85392c4cba6cc63ebd7dfded4eead4632b2d2d8e98f6e8422d15.exe"1⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/4732-130-0x0000000000400000-0x000000000481B000-memory.dmp
memory/4732-131-0x0000000006590000-0x00000000065F7000-memory.dmp
memory/4732-132-0x0000000006600000-0x00000000066A0000-memory.dmp
memory/4732-133-0x0000000000400000-0x000000000481B000-memory.dmp
memory/4732-134-0x0000000000400000-0x000000000481B000-memory.dmp
memory/4732-135-0x0000000006600000-0x00000000066A0000-memory.dmp