Analysis

  • max time kernel
    123s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2024, 17:03

General

  • Target

    bin/cti.dll

  • Size

    566KB

  • MD5

    d20cc7d6d200de7d1cff6d6209610f2c

  • SHA1

    dcb60255a741fcb26033b0b9fa8243c545eeb0f6

  • SHA256

    d79ad5593c8c5dc11d0ad700403f46e9ba26ace935eb1e6cf1ecba28f878a015

  • SHA512

    ff8485b920a6946020479e192743256b29fec3fc898e2e8d63fbf7e9302696ca9de80e265324bef6896416a2f967d4b0dc0dc574086c807bfb1e8ffe27799531

  • SSDEEP

    12288:4BmY0KftfE9cwhwPQTv3wNQdwxhRBdnGTTI:4/0itfE9bvANQ6xhRBdnX

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\cti.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3464
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\cti.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3484
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 652
        3⤵
        • Program crash
        PID:3592
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3484 -ip 3484
    1⤵
      PID:2396
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4152,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=4180 /prefetch:8
      1⤵
        PID:4812

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3484-0-0x0000000069100000-0x0000000069199000-memory.dmp

        Filesize

        612KB