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
    25/09/2024, 21:54

General

  • Target
    c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1fN.exe
  • Size 134KB
  • Sample240925-1sqcbssgrh
  • SHA256 c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 4 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 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:\Users\Admin\AppData\Local\Temp\c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1fN.exe
    "C:\Users\Admin\AppData\Local\Temp\c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1fN.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4044
    • C:\ProgramData\Update\WwanSvc.exe
      "C:\ProgramData\Update\WwanSvc.exe" /run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3444
  • 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=4088,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:8
    1⤵
      PID:1288

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          WwanSvc.exe

          • Path C:\ProgramData\Update\WwanSvc.exe
          • Size 134KB
          • SHA256 2014807574d6bb33616122077f0a98ed0a54b36c07721d9ca401b5e365812586
          • MD5 SHA1 SHA512 SSDEEP

          memory/3444-5-0x0000000000920000-0x0000000000948000-memory.dmp

          memory/4044-0-0x00000000000F0000-0x0000000000118000-memory.dmp

          memory/4044-6-0x00000000000F0000-0x0000000000118000-memory.dmp