Analysis
- max time kernel
21s - max time network
66s - platform
windows7_x64 - resource
win7v20210408 - submitted
13/08/2021, 14:10
General
- Target f2c5f9df39fee2ca644154968920e444.exe
- Size 3.6MB
- Sample210813-8evppjsptn
- SHA256 f1df708a846482e0d856754d5178d80109b068dc589494e6e831e2cfa2148b30
Score
10/10
Malware Config
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- 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 1 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
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f2c5f9df39fee2ca644154968920e444.exe"C:\Users\Admin\AppData\Local\Temp\f2c5f9df39fee2ca644154968920e444.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1260-60-0x0000000075B31000-0x0000000075B33000-memory.dmp
memory/1260-61-0x0000000000AA0000-0x0000000000AA1000-memory.dmp
memory/1260-63-0x0000000005390000-0x0000000005391000-memory.dmp