Analysis
- max time kernel
147s - max time network
149s - platform
windows10_x64 - resource
win10v20201028 - submitted
30/03/2021, 07:15
General
- Target fcf7a9f612586c76b3597985dc5e2b79.exe
- Size 637KB
- Sample210330-3ctml3n9da
- SHA256 126f515316ff7d1be06266adcbbd565f18437b293b690765dcf55f500cb048e0
Score
10/10
Malware Config
Extracted
Family
-
cryptbot
C2
-
bavyf72.top
-
moriol07.top
Attributes
-
payload_url
http://akshj10.top/download.php?file=lv.exe
Signatures
- CryptBot
A C++ stealer distributed widely in bundle with other software.
- CryptBot Payload 2 IoCs
- 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\fcf7a9f612586c76b3597985dc5e2b79.exe"C:\Users\Admin\AppData\Local\Temp\fcf7a9f612586c76b3597985dc5e2b79.exe"1⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/496-2-0x00000000026B0000-0x00000000026B1000-memory.dmp
memory/496-4-0x0000000000400000-0x00000000004E3000-memory.dmp
memory/496-3-0x0000000002590000-0x000000000266F000-memory.dmp