Analysis

  • max time kernel
    140s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2024, 23:42

General

  • Target
    a6aabd2933686f10a1ebbd7d5713b931c5f7b2ac237d4bb023fa55b4f1309e30.exe
  • Size 255KB
  • Sample240404-3p9ynsdh2y
  • SHA256 a6aabd2933686f10a1ebbd7d5713b931c5f7b2ac237d4bb023fa55b4f1309e30
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6aabd2933686f10a1ebbd7d5713b931c5f7b2ac237d4bb023fa55b4f1309e30.exe
    "C:\Users\Admin\AppData\Local\Temp\a6aabd2933686f10a1ebbd7d5713b931c5f7b2ac237d4bb023fa55b4f1309e30.exe"
    1⤵
    • Drops file in Program Files directory
    PID:3844
  • C:\PROGRA~3\Mozilla\crdkdxb.exe
    C:\PROGRA~3\Mozilla\crdkdxb.exe -ofessij
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    PID:2832
  • 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=1028 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:568

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          crdkdxb.exe

          • Path C:\ProgramData\Mozilla\crdkdxb.exe
          • Size 255KB
          • SHA256 8f73d11f4fed66da2a22218dd9c32b7fd52710b7483e05b65136c6bd1db9bd1b
          • MD5 SHA1 SHA512 SSDEEP

          memory/2832-11-0x0000000000400000-0x0000000000427000-memory.dmp

          memory/2832-12-0x0000000000700000-0x000000000075B000-memory.dmp

          memory/2832-18-0x0000000000400000-0x0000000000427000-memory.dmp

          memory/3844-0-0x0000000000400000-0x0000000000427000-memory.dmp

          memory/3844-1-0x0000000002330000-0x000000000238B000-memory.dmp

          memory/3844-6-0x0000000000400000-0x0000000000427000-memory.dmp