Analysis

  • max time kernel
    123s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    17/10/2021, 07:21

General

  • Target
    a48b5d215227d1b2bf41e2de8f7b22b5.exe
  • Size 2.8MB
  • Sample211017-h6nfsadcap
  • SHA256 34320d654fd11e894fea8d441e9546300dbcc80a0a2cd3ffec0104717ccc5020
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a48b5d215227d1b2bf41e2de8f7b22b5.exe
    "C:\Users\Admin\AppData\Local\Temp\a48b5d215227d1b2bf41e2de8f7b22b5.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2160

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2160-117-0x0000000077D40000-0x0000000077ECE000-memory.dmp

        memory/2160-118-0x0000000000010000-0x0000000000011000-memory.dmp

        memory/2160-120-0x0000000005AB0000-0x0000000005AB1000-memory.dmp

        memory/2160-121-0x0000000005470000-0x0000000005471000-memory.dmp

        memory/2160-122-0x00000000055B0000-0x00000000055B1000-memory.dmp

        memory/2160-123-0x00000000054E0000-0x00000000054E1000-memory.dmp

        memory/2160-124-0x0000000005490000-0x0000000005491000-memory.dmp

        memory/2160-125-0x0000000005890000-0x0000000005891000-memory.dmp

        memory/2160-126-0x0000000005560000-0x0000000005561000-memory.dmp

        memory/2160-127-0x00000000068A0000-0x00000000068A1000-memory.dmp

        memory/2160-128-0x0000000006F70000-0x0000000006F71000-memory.dmp

        memory/2160-129-0x0000000006B00000-0x0000000006B01000-memory.dmp

        memory/2160-130-0x00000000079A0000-0x00000000079A1000-memory.dmp

        memory/2160-131-0x0000000006D70000-0x0000000006D71000-memory.dmp

        memory/2160-132-0x00000000075A0000-0x00000000075A1000-memory.dmp