Analysis
- max time kernel
121s - max time network
122s - platform
windows7_x64 - resource
win7-20240215-en - resource tags
- submitted
10/03/2024, 15:16
General
- Target beef5daf51dadc2acdbccc37a73ccfec.exe
- Size 3.6MB
- Sample240310-snf9vsfb59
- SHA256 91eab57eaf00089ffd21329eb93e072c8eb7ed79e37c807f6db2859548c8b5d8
Malware Config
Signatures
- StormKitty
StormKitty is an open source info stealer written in C#.
- StormKitty payload 2 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 user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Themida packer 2 IoCs
Detects Themida, an advanced Windows software protection system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\beef5daf51dadc2acdbccc37a73ccfec.exe"C:\Users\Admin\AppData\Local\Temp\beef5daf51dadc2acdbccc37a73ccfec.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
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2240-0-0x0000000001320000-0x0000000001BCC000-memory.dmp
memory/2240-1-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-2-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-3-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-5-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-7-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-8-0x0000000075700000-0x0000000075747000-memory.dmp
memory/2240-9-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-10-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-11-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-12-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-13-0x0000000075700000-0x0000000075747000-memory.dmp
memory/2240-14-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-16-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-17-0x0000000075700000-0x0000000075747000-memory.dmp
memory/2240-15-0x0000000075700000-0x0000000075747000-memory.dmp
memory/2240-19-0x0000000075700000-0x0000000075747000-memory.dmp
memory/2240-18-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-21-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-22-0x0000000077150000-0x0000000077152000-memory.dmp
memory/2240-20-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-24-0x0000000074160000-0x000000007484E000-memory.dmp
memory/2240-23-0x0000000001320000-0x0000000001BCC000-memory.dmp
memory/2240-25-0x00000000005E0000-0x0000000000620000-memory.dmp
memory/2240-76-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-77-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-78-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-79-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-80-0x0000000075700000-0x0000000075747000-memory.dmp
memory/2240-82-0x0000000001320000-0x0000000001BCC000-memory.dmp
memory/2240-81-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-83-0x0000000075A60000-0x0000000075B70000-memory.dmp
memory/2240-84-0x0000000074160000-0x000000007484E000-memory.dmp
memory/2240-85-0x0000000075A60000-0x0000000075B70000-memory.dmp