Analysis
- max time kernel
16s - max time network
67s - platform
windows10_x64 - resource
win10v20201028 - submitted
13/03/2021, 14:12
General
- Target f8ef4d5aab53a64cb56ee89ac55b122b.exe
- Size 5.4MB
- Sample210313-2mp147zfla
- SHA256 34b09f16fa6e9789bda97d9bd512ac7f49e235982db9d65109a4078ab3567bcf
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 1 IoCs
Detects Themida, Advanced Windows software protection system.
- 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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f8ef4d5aab53a64cb56ee89ac55b122b.exe"C:\Users\Admin\AppData\Local\Temp\f8ef4d5aab53a64cb56ee89ac55b122b.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/1112-3-0x0000000073290000-0x000000007397E000-memory.dmp
memory/1112-4-0x0000000000380000-0x0000000000381000-memory.dmp
memory/1112-6-0x00000000056C0000-0x00000000056C1000-memory.dmp
memory/1112-7-0x00000000770C4000-0x00000000770C5000-memory.dmp
memory/1112-8-0x0000000003460000-0x0000000003461000-memory.dmp
memory/1112-9-0x0000000005F00000-0x0000000005F01000-memory.dmp
memory/1112-10-0x0000000005770000-0x0000000005771000-memory.dmp
memory/1112-11-0x00000000057D0000-0x00000000057D1000-memory.dmp
memory/1112-12-0x0000000005810000-0x0000000005811000-memory.dmp
memory/1112-13-0x00000000058E0000-0x00000000058E1000-memory.dmp
memory/1112-14-0x0000000005A80000-0x0000000005A81000-memory.dmp
memory/1112-15-0x0000000006D20000-0x0000000006D21000-memory.dmp
memory/1112-16-0x0000000007420000-0x0000000007421000-memory.dmp
memory/1112-17-0x0000000006EF0000-0x0000000006EF1000-memory.dmp
memory/1112-18-0x0000000007E50000-0x0000000007E51000-memory.dmp
memory/1112-19-0x0000000006F90000-0x0000000006F91000-memory.dmp
memory/1112-20-0x0000000007A10000-0x0000000007A11000-memory.dmp