Analysis
- max time kernel
68s - max time network
72s - platform
windows10_x64 - resource
win10v20210408 - submitted
21/09/2021, 13:21
General
- Target 3a02a4034f00e225af45b20bffd2233e.exe
- Size 3.3MB
- Sample210921-qlnj2shfc4
- SHA256 7cad51a346a2c1441d4f87e9c4f848a61ba22506926fdeff1c0d315dfca515be
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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3a02a4034f00e225af45b20bffd2233e.exe"C:\Users\Admin\AppData\Local\Temp\3a02a4034f00e225af45b20bffd2233e.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/648-115-0x00000000779F0000-0x0000000077B7E000-memory.dmp
memory/648-116-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/648-118-0x0000000005A70000-0x0000000005A71000-memory.dmp
memory/648-119-0x00000000052E0000-0x00000000052E1000-memory.dmp
memory/648-120-0x0000000005460000-0x0000000005461000-memory.dmp
memory/648-121-0x0000000005450000-0x0000000005451000-memory.dmp
memory/648-122-0x0000000005340000-0x0000000005341000-memory.dmp
memory/648-123-0x0000000005380000-0x0000000005381000-memory.dmp
memory/648-124-0x0000000006A80000-0x0000000006A81000-memory.dmp
memory/648-125-0x0000000007180000-0x0000000007181000-memory.dmp
memory/648-126-0x00000000069E0000-0x00000000069E1000-memory.dmp
memory/648-127-0x0000000007BB0000-0x0000000007BB1000-memory.dmp
memory/648-128-0x0000000006E10000-0x0000000006E11000-memory.dmp
memory/648-129-0x0000000006F30000-0x0000000006F31000-memory.dmp
memory/648-130-0x00000000070F0000-0x00000000070F1000-memory.dmp
memory/648-131-0x0000000007AB0000-0x0000000007AB1000-memory.dmp