Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 11:05

General

  • Target

    $EXEDIR/TeamViewer.exe

  • Size

    4.3MB

  • MD5

    fa9483be99aa85f3186ed92d8d0f1c77

  • SHA1

    27adeeab36a53f5375c429c43254f094de7ec581

  • SHA256

    5d8ebf535f8e88add810834bdc72ab56dcda6e45e4ecfce88b26addfbfaa1047

  • SHA512

    4ad15ea77aee4b7e684b5faffb2cb93959484bae213eb17c58657643b425b93f2ec5842c7551d058acf31707fbf96963f6c621cc00265ca549c909352c6ec542

  • SSDEEP

    98304:DNC8UVgNGX8hInM43eq/96ihJmTwixr3gNMY:JC8UV+bhInDVEwZ

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$EXEDIR\TeamViewer.exe
    "C:\Users\Admin\AppData\Local\Temp\$EXEDIR\TeamViewer.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    PID:3196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3196-0-0x0000000003090000-0x00000000030A9000-memory.dmp

    Filesize

    100KB

  • memory/3196-2-0x0000000003BF0000-0x0000000003BF1000-memory.dmp

    Filesize

    4KB

  • memory/3196-3-0x0000000003BF0000-0x0000000003BF1000-memory.dmp

    Filesize

    4KB