Analysis
- max time kernel
24s - max time network
117s - platform
windows10_x64 - resource
win10v20210408 - submitted
09/09/2021, 15:52
General
- Target 4e2d77343c3e79aba0611b4f8387bec4.exe
- Size 2.7MB
- Sample210909-ta3rdagde7
- SHA256 1c62b59df64ef5b19d9854c9cec2edb5be66d35772bb4bd33113b9cf34a2ffcd
Malware Config
Signatures
- 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\4e2d77343c3e79aba0611b4f8387bec4.exe"C:\Users\Admin\AppData\Local\Temp\4e2d77343c3e79aba0611b4f8387bec4.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
Loading Replay Monitor...
Downloads
memory/568-115-0x0000000077C50000-0x0000000077DDE000-memory.dmp
memory/568-116-0x0000000000B10000-0x0000000000B11000-memory.dmp
memory/568-118-0x0000000006450000-0x0000000006451000-memory.dmp
memory/568-119-0x0000000005E80000-0x0000000005E81000-memory.dmp
memory/568-120-0x0000000005FB0000-0x0000000005FB1000-memory.dmp
memory/568-121-0x0000000005F20000-0x0000000005F21000-memory.dmp
memory/568-122-0x0000000005E40000-0x0000000006446000-memory.dmp
memory/568-123-0x0000000005F60000-0x0000000005F61000-memory.dmp
memory/568-124-0x00000000078B0000-0x00000000078B1000-memory.dmp
memory/568-125-0x0000000007FB0000-0x0000000007FB1000-memory.dmp
memory/568-126-0x0000000007A80000-0x0000000007A81000-memory.dmp
memory/568-127-0x0000000007BC0000-0x0000000007BC1000-memory.dmp
memory/568-128-0x00000000089E0000-0x00000000089E1000-memory.dmp
memory/568-129-0x0000000007B60000-0x0000000007B61000-memory.dmp
memory/568-130-0x00000000084E0000-0x00000000084E1000-memory.dmp
memory/568-131-0x0000000008950000-0x0000000008951000-memory.dmp