Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    21-03-2024 14:24

General

  • Target

    dbd8ec5e70e1558aeb912797c1bdd468.exe

  • Size

    162KB

  • MD5

    dbd8ec5e70e1558aeb912797c1bdd468

  • SHA1

    4d695f2f3522cccd6e0fc1ceeb26ca324a7149d4

  • SHA256

    3c843105721cc6080d7d3c68262ec3ce6f1402cc8e2e23705e7b8f843ef4e751

  • SHA512

    d3467a8d833deff47a8cf660dcad0fe5550e793a3067885d3b1d9e2cf589760fe934b6058915b68c9f8bbd5774263995ba39cfd658958912a01866c6660cd3bb

  • SSDEEP

    3072:3FUJkZJIoBC3yMbBU4Is7Vga3lY3UW5c3Lc:3F2kZV43Flp7Vga3Cbeg

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 4 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 2 IoCs
  • Modifies registry class 34 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dbd8ec5e70e1558aeb912797c1bdd468.exe
    "C:\Users\Admin\AppData\Local\Temp\dbd8ec5e70e1558aeb912797c1bdd468.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 "C:\Windows\system32\tuvTkiIX.dll",DllInstall
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\tuvTkiIX.dll

    Filesize

    122KB

    MD5

    52744fc03bffef46f8e5f89bfbaecdfc

    SHA1

    00ebe8ad736eb4974a91df2e51cc743ad6386b35

    SHA256

    4db3e242f891d7b174b1de6d45fdcf0da7895fd1f2ccc163db23426b0cafef3e

    SHA512

    68451eeae399cecbe4d6e84567f08dcb22a000c07373a26b731fac1005774fc0c2a2163f693bbba134f8cd1d27e827316e61a96b6a097cb1c124540cb299e599