Analysis

  • max time kernel
    115s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    22/09/2021, 06:24

General

  • Target
    2e8ac744a4f9dba83346370ce7c3aa05.exe
  • Size 3.1MB
  • Sample210922-g53nmsedfk
  • SHA256 ad291dd59e6dce5245e1a3c7a81514353a0d6a107f86c8e37fc4e9171f4ff1c5
  • MD5 SHA1 SHA512

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\2e8ac744a4f9dba83346370ce7c3aa05.exe
    "C:\Users\Admin\AppData\Local\Temp\2e8ac744a4f9dba83346370ce7c3aa05.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2372

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2372-115-0x0000000077E40000-0x0000000077FCE000-memory.dmp

        memory/2372-117-0x0000000000370000-0x0000000000371000-memory.dmp

        memory/2372-119-0x0000000005A60000-0x0000000005A61000-memory.dmp

        memory/2372-120-0x0000000005300000-0x0000000005301000-memory.dmp

        memory/2372-121-0x0000000005450000-0x0000000005451000-memory.dmp

        memory/2372-122-0x0000000005360000-0x0000000005361000-memory.dmp

        memory/2372-123-0x0000000005440000-0x0000000005441000-memory.dmp

        memory/2372-124-0x00000000053A0000-0x00000000053A1000-memory.dmp

        memory/2372-125-0x00000000069B0000-0x00000000069B1000-memory.dmp

        memory/2372-126-0x00000000070B0000-0x00000000070B1000-memory.dmp

        memory/2372-127-0x0000000007AE0000-0x0000000007AE1000-memory.dmp

        memory/2372-128-0x0000000006CB0000-0x0000000006CB1000-memory.dmp

        memory/2372-129-0x0000000006EE0000-0x0000000006EE1000-memory.dmp

        memory/2372-130-0x0000000007000000-0x0000000007001000-memory.dmp

        memory/2372-131-0x0000000006FE0000-0x0000000006FE1000-memory.dmp

        memory/2372-132-0x00000000078B0000-0x00000000078B1000-memory.dmp