Analysis

  • max time kernel
    133s
  • max time network
    107s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    02/10/2021, 02:02

General

  • Target
    8d24805f86338bc3bd7a618c94cb1722.exe
  • Size 2.6MB
  • Sample211002-cf5pgsddhr
  • SHA256 79e5bf312a07b2e520036bb5865957bdd5571e486b4da85cc2600ab8af3a51e6
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d24805f86338bc3bd7a618c94cb1722.exe
    "C:\Users\Admin\AppData\Local\Temp\8d24805f86338bc3bd7a618c94cb1722.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1104

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1104-60-0x0000000075551000-0x0000000075553000-memory.dmp

        memory/1104-62-0x0000000001140000-0x0000000001141000-memory.dmp

        memory/1104-64-0x00000000005B0000-0x00000000005B1000-memory.dmp