Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
21/12/2023, 23:05
General
- Target 1fd0c3fb29afdd900751c6497acf53f2.exe
- Size 3.0MB
- Sample231221-227teabae5
- SHA256 76b67960a1a743b05ae652c7339fe0624e1be54fd607de33c192fcb53e9ae10e
Malware Config
Extracted
-
cryptbot
-
fokjmu66.top
-
morhaq06.top
-
payload_url
http://nybloc09.top/download.php?file=lv.exe
Signatures
- CryptBot
A C++ stealer distributed widely in bundle with other software.
- 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 12 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).
- 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
- Suspicious use of FindShellTrayWindow 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1fd0c3fb29afdd900751c6497acf53f2.exe"C:\Users\Admin\AppData\Local\Temp\1fd0c3fb29afdd900751c6497acf53f2.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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
PtodCngErb.zip
_Information.txt
_Information.txt
_Information.txt
_Screen_Desktop.jpeg
system_info.txt
system_info.txt
system_info.txt
memory/2976-8-0x0000000000BE0000-0x000000000137F000-memory.dmp
memory/2976-9-0x0000000000BE0000-0x000000000137F000-memory.dmp
memory/2976-3-0x0000000000BE0000-0x000000000137F000-memory.dmp
memory/2976-4-0x0000000000BE0000-0x000000000137F000-memory.dmp
memory/2976-7-0x0000000000BE0000-0x000000000137F000-memory.dmp
memory/2976-6-0x0000000000BE0000-0x000000000137F000-memory.dmp
memory/2976-5-0x0000000000BE0000-0x000000000137F000-memory.dmp
memory/2976-0-0x0000000000BE0000-0x000000000137F000-memory.dmp
memory/2976-2-0x0000000000BE0000-0x000000000137F000-memory.dmp
memory/2976-216-0x0000000000BE0000-0x000000000137F000-memory.dmp
memory/2976-1-0x0000000077944000-0x0000000077946000-memory.dmp
memory/2976-245-0x0000000000BE0000-0x000000000137F000-memory.dmp
memory/2976-251-0x0000000000BE0000-0x000000000137F000-memory.dmp