Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    29-12-2024 19:05

General

  • Target

    Crypto Miner Builder.exe

  • Size

    572KB

  • MD5

    c6e1b4c935a6fc29c0761b51b9d0b436

  • SHA1

    16845245dcc7eff90a4e45ed2586d18e6ca181be

  • SHA256

    f7aa7848b465cabf2afd062d7831fe0fe499c765a06a5544128f3816e3097104

  • SHA512

    8f663865b5bd0254c9764d9523542da074d3dd012f453bb46a73bde908ca162f9c1fdc304960921fbc57d39afcc946eae6a8e7f21d3c2f8c58080a6621e20567

  • SSDEEP

    12288:18DYqxPebX3qEhMwiQ1Mr5f6G5UDYvqrC8ZJeJyP2n:14pPebX3qaOQ1M9yG5ULrDZP2n

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • Redline family
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Crypto Miner Builder.exe
    "C:\Users\Admin\AppData\Local\Temp\Crypto Miner Builder.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4516
  • 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 --string-annotations=is-enterprise-managed=no --field-trial-handle=1064,i,17335467816477789966,7023972131130623520,262144 --variations-seed-version --mojo-platform-channel-handle=4824 /prefetch:8
    1⤵
      PID:3140
    • 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 --string-annotations=is-enterprise-managed=no --field-trial-handle=5444,i,17335467816477789966,7023972131130623520,262144 --variations-seed-version --mojo-platform-channel-handle=4052 /prefetch:8
      1⤵
        PID:3344

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4516-13-0x0000000005050000-0x0000000005062000-memory.dmp

        Filesize

        72KB

      • memory/4516-10-0x00000000746B0000-0x0000000074E61000-memory.dmp

        Filesize

        7.7MB

      • memory/4516-17-0x00000000746B0000-0x0000000074E61000-memory.dmp

        Filesize

        7.7MB

      • memory/4516-16-0x0000000005100000-0x000000000514C000-memory.dmp

        Filesize

        304KB

      • memory/4516-5-0x0000000000400000-0x0000000000480000-memory.dmp

        Filesize

        512KB

      • memory/4516-15-0x00000000050B0000-0x00000000050EC000-memory.dmp

        Filesize

        240KB

      • memory/4516-12-0x0000000005670000-0x0000000005C88000-memory.dmp

        Filesize

        6.1MB

      • memory/4516-11-0x00000000746B0000-0x0000000074E61000-memory.dmp

        Filesize

        7.7MB

      • memory/4516-14-0x0000000005180000-0x000000000528A000-memory.dmp

        Filesize

        1.0MB

      • memory/4932-0-0x00000000746BE000-0x00000000746BF000-memory.dmp

        Filesize

        4KB

      • memory/4932-1-0x0000000000CA0000-0x0000000000D32000-memory.dmp

        Filesize

        584KB

      • memory/4932-9-0x00000000746B0000-0x0000000074E61000-memory.dmp

        Filesize

        7.7MB

      • memory/4932-7-0x00000000746B0000-0x0000000074E61000-memory.dmp

        Filesize

        7.7MB

      • memory/4932-2-0x00000000746B0000-0x0000000074E61000-memory.dmp

        Filesize

        7.7MB