Analysis
- max time kernel
16s - max time network
112s - platform
windows10_x64 - resource
win10v20210410 - submitted
27/06/2021, 20:55
General
- Target 8e4fc472d9d3c21a353c90131f5813ba.exe
- Size 1.8MB
- Sample210627-d26ct4kc12
- SHA256 996adc0da02472ca20f950e7482e415f86332393d73a077ea947c15525406e2f
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\8e4fc472d9d3c21a353c90131f5813ba.exe"C:\Users\Admin\AppData\Local\Temp\8e4fc472d9d3c21a353c90131f5813ba.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/3560-115-0x0000000000850000-0x0000000000851000-memory.dmp
memory/3560-117-0x0000000005D40000-0x0000000005D41000-memory.dmp
memory/3560-118-0x00000000056C0000-0x00000000056C1000-memory.dmp
memory/3560-119-0x0000000077DD0000-0x0000000077F5E000-memory.dmp
memory/3560-120-0x0000000005730000-0x0000000005731000-memory.dmp
memory/3560-121-0x0000000005770000-0x0000000005771000-memory.dmp
memory/3560-122-0x0000000005920000-0x0000000005921000-memory.dmp
memory/3560-123-0x0000000005720000-0x0000000005721000-memory.dmp
memory/3560-124-0x0000000006B60000-0x0000000006B61000-memory.dmp
memory/3560-125-0x0000000007260000-0x0000000007261000-memory.dmp
memory/3560-126-0x0000000006DE0000-0x0000000006DE1000-memory.dmp
memory/3560-127-0x0000000007030000-0x0000000007031000-memory.dmp
memory/3560-128-0x0000000007C90000-0x0000000007C91000-memory.dmp