Analysis
- max time kernel
18s - max time network
124s - platform
windows10_x64 - resource
win10v20210410 - submitted
27/06/2021, 15:54
General
- Target 8915eb36f98c7d764b57acde87e7959c.exe
- Size 2.7MB
- Sample210627-bgtlhd5bda
- SHA256 e532f96929100f739e70571ed93a7d7233a649e73a1c2dabc7ba0dd526d23b68
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\8915eb36f98c7d764b57acde87e7959c.exe"C:\Users\Admin\AppData\Local\Temp\8915eb36f98c7d764b57acde87e7959c.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/4444-115-0x0000000077170000-0x00000000772FE000-memory.dmp
memory/4444-116-0x0000000000950000-0x0000000000951000-memory.dmp
memory/4444-118-0x0000000005B00000-0x0000000005B01000-memory.dmp
memory/4444-119-0x0000000005560000-0x0000000005561000-memory.dmp
memory/4444-120-0x00000000055C0000-0x00000000055C1000-memory.dmp
memory/4444-121-0x0000000005600000-0x0000000005601000-memory.dmp
memory/4444-123-0x00000000058B0000-0x00000000058B1000-memory.dmp
memory/4444-122-0x00000000054F0000-0x0000000005AF6000-memory.dmp
memory/4444-124-0x0000000006A20000-0x0000000006A21000-memory.dmp
memory/4444-125-0x0000000007120000-0x0000000007121000-memory.dmp
memory/4444-126-0x0000000006C90000-0x0000000006C91000-memory.dmp
memory/4444-127-0x0000000007B50000-0x0000000007B51000-memory.dmp
memory/4444-128-0x0000000007A50000-0x0000000007A51000-memory.dmp