Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-06-2024 01:41

General

  • Target

    98e05eb0476bc619ee000a1c1c45d0f33c52080907585eae68528a7b29fcbefa.dll

  • Size

    76KB

  • MD5

    cd3888233af2653c3c44cdd763995f64

  • SHA1

    d66c27d82a381dfca31b8c32a171166b35548a7c

  • SHA256

    98e05eb0476bc619ee000a1c1c45d0f33c52080907585eae68528a7b29fcbefa

  • SHA512

    2d1b1c3b70c6dd3936c577c76272dbad80e87df72672eb82231c64136a66665eafc5d7b4619ede790badf419ffe9bec15499e2839428a28558b106c02568da4e

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZygrtlYd:c8y93KQjy7G55riF1cMo03Htlq

Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 2 IoCs
  • Modifies AppInit DLL entries 2 TTPs
  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • 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\98e05eb0476bc619ee000a1c1c45d0f33c52080907585eae68528a7b29fcbefa.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:824
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\98e05eb0476bc619ee000a1c1c45d0f33c52080907585eae68528a7b29fcbefa.dll,#1
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4748 -s 692
        3⤵
        • Program crash
        PID:1192
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4748 -ip 4748
    1⤵
      PID:1744
    • 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 --no-appcompat-clear --mojo-platform-channel-handle=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2820

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4748-0-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/4748-1-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB