Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-01-2025 15:34

General

  • Target

    build.exe

  • Size

    6.1MB

  • MD5

    1fd3c7acad176220bb1c7e5a4679d0e7

  • SHA1

    ee05cc5609d9cdc93f98bfec5aa63a3e679c5b17

  • SHA256

    dcf52482ca002b4cd5822419886680906ddf5af41af269791e2332d039f6314f

  • SHA512

    e76e47be32e49734a8d240360dc4c7f26ddac40414d73eb68ef5e54706edeaccde0e3ba99915c5c83f3e0f55412ec7fa5ec5dd7f4ede8d599ebfd8275befce93

  • SSDEEP

    196608:RaiSkSIlLTUcwti7TQl2NgVg01MWAXAkuujCPX9YG9he5GnQCAJKN:QkSopwtQQl2aOtXADu8X9Y95GQLJ

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\build.exe
    "C:\Users\Admin\AppData\Local\Temp\build.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\27d9072e-e8d8-4dde-801e-2182b3feb1e7.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2200
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:2444
        • C:\Windows\system32\taskkill.exe
          taskkill /F /PID 2524
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:352
        • C:\Windows\system32\timeout.exe
          timeout /T 2 /NOBREAK
          3⤵
          • Delays execution with timeout.exe
          PID:2124

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\27d9072e-e8d8-4dde-801e-2182b3feb1e7.bat

      Filesize

      152B

      MD5

      1c986657e660d9b40c57429080dc8b5d

      SHA1

      02f5b904b045b6ad8a4058655bb4ab2d10a8c44c

      SHA256

      51c3e474fd0f526862b893219e21a6d584f4f0a7de460ef6be33371635a620a0

      SHA512

      0b2689a98d344b00d25241b4e711b644eb76a6afa4855a39d603ce8155ac9752ebe06b14e339e4ee49cc925b4d19139dbb84938bb6fb3307863979da6f441e4e

    • C:\Users\Admin\AppData\Local\Temp\CabB1D4.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarB1E6.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • memory/2524-0-0x000007FEF6003000-0x000007FEF6004000-memory.dmp

      Filesize

      4KB

    • memory/2524-1-0x00000000008E0000-0x0000000000EF8000-memory.dmp

      Filesize

      6.1MB

    • memory/2524-2-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

      Filesize

      9.9MB

    • memory/2524-89-0x000007FEF6003000-0x000007FEF6004000-memory.dmp

      Filesize

      4KB

    • memory/2524-90-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

      Filesize

      9.9MB

    • memory/2524-253-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

      Filesize

      9.9MB