Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
10/04/2024, 15:48
General
- Target eb6b6b4f0970c825bbde733784027a52_JaffaCakes118.exe
- Size 3.0MB
- Sample240410-s8vb8agc6s
- SHA256 c9cf9521886aaa99c317b33c9fd5a8f82be1fe61d8616bc6ce8a10c4d26b6e21
Malware Config
Extracted
-
cryptbot
-
bundky32.top
-
morfug03.top
-
payload_url
http://tobhay04.top/download.php?file=lv.exe
Signatures
- CryptBot
A C++ stealer distributed widely in bundle with other software.
- CryptBot payload 7 IoCs
- 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 data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Themida packer 9 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\eb6b6b4f0970c825bbde733784027a52_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\eb6b6b4f0970c825bbde733784027a52_JaffaCakes118.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
_Information.txt
_Information.txt
_Screen_Desktop.jpeg
afICUPgZmrou.zip
system_info.txt
memory/3232-3-0x0000000000E20000-0x00000000015A9000-memory.dmp
memory/3232-6-0x0000000000E20000-0x00000000015A9000-memory.dmp
memory/3232-7-0x0000000000E20000-0x00000000015A9000-memory.dmp
memory/3232-5-0x0000000000E20000-0x00000000015A9000-memory.dmp
memory/3232-4-0x0000000000E20000-0x00000000015A9000-memory.dmp
memory/3232-0-0x0000000000E20000-0x00000000015A9000-memory.dmp
memory/3232-2-0x0000000000E20000-0x00000000015A9000-memory.dmp
memory/3232-211-0x0000000000E20000-0x00000000015A9000-memory.dmp
memory/3232-1-0x0000000076EE4000-0x0000000076EE6000-memory.dmp
memory/3232-224-0x0000000000E20000-0x00000000015A9000-memory.dmp