Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 16:36

General

  • Target

    1fb1ef6b1014af8e84a43c50fe02d5e0N.dll

  • Size

    76KB

  • MD5

    1fb1ef6b1014af8e84a43c50fe02d5e0

  • SHA1

    3e652a8da76d019098d4e08b0a6717eb1bc530c0

  • SHA256

    4cbf42edc0b51cf5ea28372e2a86983ffbcc333598e7c946f071a33a440340f5

  • SHA512

    e0f1e8c9e0a70dff26637c9cc81f1aa9cd15373fa690ffe5a00faca5f0e9d0fba6c1844062662a7a8817c880c66953b8005924a660087a9e785abbb99dd22dd8

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZLkn2U39x:c8y93KQjy7G55riF1cMo03GntT

Score
7/10

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1fb1ef6b1014af8e84a43c50fe02d5e0N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3468
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1fb1ef6b1014af8e84a43c50fe02d5e0N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2716
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 712
        3⤵
        • Program crash
        PID:2008
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2716 -ip 2716
    1⤵
      PID:4288
    • 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=4608,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4612 /prefetch:8
      1⤵
        PID:4036

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2716-0-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/2716-2-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB