Analysis
- max time kernel
40s - max time network
44s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
15/09/2022, 23:26
General
- Target file.exe
- Size 4.6MB
- Sample220915-3ettpsece7
- SHA256 a2c0021ab33c99034a3783dbbf6cf4aa92311bfdfbbf38cea06aee1e0f9f1f86
Malware Config
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine 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 3 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1248-57-0x0000000075351000-0x0000000075353000-memory.dmp
memory/1248-59-0x0000000000100000-0x0000000000A96000-memory.dmp
memory/1248-60-0x0000000077620000-0x00000000777A0000-memory.dmp
memory/1248-61-0x0000000000100000-0x0000000000A96000-memory.dmp
memory/1248-62-0x0000000000100000-0x0000000000A96000-memory.dmp
memory/1248-63-0x0000000077620000-0x00000000777A0000-memory.dmp
memory/1248-64-0x0000000000100000-0x0000000000A96000-memory.dmp
memory/1248-65-0x0000000077620000-0x00000000777A0000-memory.dmp