Analysis
- max time kernel
70s - max time network
72s - platform
windows10_x64 - resource
win10v20210408 - submitted
26/09/2021, 19:08
General
- Target SecuriteInfo.com.Variant.Razy.945356.15791.15020.exe
- Size 3.0MB
- Sample210926-xs8xwsfcd3
- SHA256 f7ed4e6663e464417a8c11a641c2935ca324ad6c4aaa418a323991cd9bff70e1
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\SecuriteInfo.com.Variant.Razy.945356.15791.15020.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Razy.945356.15791.15020.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/900-115-0x0000000077020000-0x00000000771AE000-memory.dmp
memory/900-116-0x0000000000FE0000-0x0000000000FE1000-memory.dmp
memory/900-118-0x0000000005C30000-0x0000000005C31000-memory.dmp
memory/900-119-0x0000000003280000-0x0000000003281000-memory.dmp
memory/900-120-0x0000000005730000-0x0000000005731000-memory.dmp
memory/900-121-0x0000000005610000-0x0000000005611000-memory.dmp
memory/900-122-0x00000000055A0000-0x00000000055A1000-memory.dmp
memory/900-123-0x0000000005620000-0x0000000005621000-memory.dmp
memory/900-124-0x0000000006E80000-0x0000000006E81000-memory.dmp
memory/900-125-0x0000000007580000-0x0000000007581000-memory.dmp
memory/900-126-0x0000000006E00000-0x0000000006E01000-memory.dmp
memory/900-127-0x0000000007FB0000-0x0000000007FB1000-memory.dmp
memory/900-128-0x00000000071D0000-0x00000000071D1000-memory.dmp
memory/900-129-0x00000000072F0000-0x00000000072F1000-memory.dmp
memory/900-130-0x00000000072C0000-0x00000000072C1000-memory.dmp
memory/900-131-0x0000000007C40000-0x0000000007C41000-memory.dmp