Analysis
- max time kernel
15s - max time network
114s - platform
windows10_x64 - resource
win10v20210410 - submitted
20/08/2021, 04:37
General
- Target 3eda59632a67aa35beb3417be7547010.exe
- Size 3.9MB
- Sample210820-e87gr85lcx
- SHA256 7868847d629d9e4466c428d9864475cdf3f3c39dfd0f92a1b6f89b5f41c0ec16
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\3eda59632a67aa35beb3417be7547010.exe"C:\Users\Admin\AppData\Local\Temp\3eda59632a67aa35beb3417be7547010.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/4440-115-0x0000000000080000-0x0000000000081000-memory.dmp
memory/4440-117-0x0000000005D90000-0x0000000005D91000-memory.dmp
memory/4440-118-0x0000000005780000-0x0000000005781000-memory.dmp
memory/4440-119-0x00000000057E0000-0x00000000057E1000-memory.dmp
memory/4440-120-0x0000000077170000-0x00000000772FE000-memory.dmp
memory/4440-121-0x0000000005820000-0x0000000005821000-memory.dmp
memory/4440-122-0x00000000059E0000-0x00000000059E1000-memory.dmp
memory/4440-123-0x0000000005770000-0x0000000005771000-memory.dmp
memory/4440-124-0x0000000006C30000-0x0000000006C31000-memory.dmp
memory/4440-125-0x0000000007330000-0x0000000007331000-memory.dmp
memory/4440-126-0x0000000007860000-0x0000000007861000-memory.dmp
memory/4440-127-0x0000000006EF0000-0x0000000006EF1000-memory.dmp
memory/4440-128-0x0000000007160000-0x0000000007161000-memory.dmp
memory/4440-129-0x0000000007280000-0x0000000007281000-memory.dmp
memory/4440-130-0x0000000007260000-0x0000000007261000-memory.dmp