Analysis
- max time kernel
147s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
31/08/2024, 02:54
General
- Target cf22bf743239104d52d195763f989fb579de4299a44eaef60ca5c72b6778a8fe.exe
- Size 2.6MB
- Sample240831-dd46lssakc
- SHA256 cf22bf743239104d52d195763f989fb579de4299a44eaef60ca5c72b6778a8fe
Malware Config
Extracted
-
cryptbot
-
veorfg11.top
-
morysl01.top
-
payload_url
http://tyngle01.top/download.php?file=lv.exe
Signatures
- CryptBot
A C++ stealer distributed widely in bundle with other software.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Themida packer 20 IoCs
Detects Themida, an advanced Windows software protection system.
- 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.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\cf22bf743239104d52d195763f989fb579de4299a44eaef60ca5c72b6778a8fe.exe"C:\Users\Admin\AppData\Local\Temp\cf22bf743239104d52d195763f989fb579de4299a44eaef60ca5c72b6778a8fe.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
_Information.txt
_Information.txt
_Information.txt
_Screen_Desktop.jpeg
bZdfwXQuHlvuao.zip
memory/3360-125-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-135-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-5-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-4-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-2-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-3-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-121-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-0-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-1-0x0000000077444000-0x0000000077446000-memory.dmp
memory/3360-128-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-132-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-6-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-138-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-141-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-144-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-148-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-150-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-154-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-156-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-159-0x0000000000390000-0x0000000000A75000-memory.dmp
memory/3360-162-0x0000000000390000-0x0000000000A75000-memory.dmp