Analysis

  • max time kernel
    115s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 14:23

General

  • Target

    $PLUGINSDIR/CityHash.dll

  • Size

    56KB

  • MD5

    9c4d62dacd2d080af8ef584a98d2c86b

  • SHA1

    f3e32932b5493d34137bfb1c14dd15b7f15533b3

  • SHA256

    a5cce9a04cf79ca63a1bd43689248d4bad0b04a81b1a0ef03a5bc5750fa04482

  • SHA512

    348a43598e49ef7d2cb76bb4940af5c304c634f8359b21822a5628df70f78fae0c2fd6bb0a8cd8500c462aa3bd7c1c3ee971a998720a55999eacf67ee2e18f3c

  • SSDEEP

    768:D4+en4gr2vA4iZ147Imnw2LEwHCAoGDUWnyyJHY/s4Q8E1DZsD+RAr3x:Mhj1ZR6w24wHCAoGD+yJHl3I+RAr

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\$PLUGINSDIR\CityHash.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4116
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CityHash.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:840
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 600
        3⤵
        • Program crash
        PID:4592
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 840 -ip 840
    1⤵
      PID:2028
    • 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=4460,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=1040 /prefetch:8
      1⤵
        PID:4048

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads