Analysis
- max time kernel
144s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
17/07/2024, 05:58
General
- Target 51b9711c5637cdf4a5b44f6dd9bb3eda_JaffaCakes118.exe
- Size 3.8MB
- Sample240717-gpddtayblr
- SHA256 dd11659543b958d2dd58b0a694a2c574aaf94f5edd8689860e9c4a36b5530cee
Malware Config
Signatures
- Darkstealer
Darkstealer is a file grabber, data stealer, and RAT.
- Detects Echelon Stealer payload 3 IoCs
- Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
- Echelon - DarkStealer Fork 3 IoCs
Payload resembles modified variant of Echelon Stealer called DarkStealer.
- 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 3 IoCs
Detects Themida, an advanced Windows software protection system.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\51b9711c5637cdf4a5b44f6dd9bb3eda_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\51b9711c5637cdf4a5b44f6dd9bb3eda_JaffaCakes118.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Accesses Microsoft Outlook profiles
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 18442⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3052 -ip 30521⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3052-0-0x0000000000DC0000-0x0000000001788000-memory.dmp
memory/3052-2-0x0000000076E40000-0x0000000076F30000-memory.dmp
memory/3052-1-0x0000000076E60000-0x0000000076E61000-memory.dmp
memory/3052-5-0x0000000076E40000-0x0000000076F30000-memory.dmp
memory/3052-4-0x0000000076E40000-0x0000000076F30000-memory.dmp
memory/3052-3-0x0000000076E40000-0x0000000076F30000-memory.dmp
memory/3052-8-0x0000000076E40000-0x0000000076F30000-memory.dmp
memory/3052-7-0x0000000076E40000-0x0000000076F30000-memory.dmp
memory/3052-6-0x0000000076E40000-0x0000000076F30000-memory.dmp
memory/3052-9-0x0000000076E40000-0x0000000076F30000-memory.dmp
memory/3052-13-0x0000000000DC0000-0x0000000001788000-memory.dmp
memory/3052-14-0x0000000000DC0000-0x0000000001788000-memory.dmp
memory/3052-15-0x0000000006150000-0x00000000061B6000-memory.dmp
memory/3052-20-0x0000000006B70000-0x0000000006C0C000-memory.dmp
memory/3052-22-0x0000000000DC0000-0x0000000001788000-memory.dmp
memory/3052-23-0x0000000076E40000-0x0000000076F30000-memory.dmp