Resubmissions

03-08-2024 19:46

240803-yg8nestbqr 10

03-08-2024 19:44

240803-ygbcxsxhld 6

03-08-2024 19:41

240803-yd6pnaxgpa 6

Analysis

  • max time kernel
    1561s
  • max time network
    1563s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    03-08-2024 19:44

General

  • Target

    win-airplay/Bonjour64.msi

  • Size

    2.6MB

  • MD5

    8dcf5c9eaacdaf4568220d103f393dea

  • SHA1

    27f68596398b68ba048f95752b4eeb4aa013c23f

  • SHA256

    53be81cc6e2dc95a1041e8f3d8f500fad4259ab20a1aac151b5fc7a64d354a93

  • SHA512

    10f8ffb6fa5e7163f0a83190ddf211479f12e16635389b49ac041eceafd7f04c040d830065adc89b1003f38d8381851c09150a5bc8edced6ecae8ee5ae801088

  • SSDEEP

    49152:aXMDiLYLW8Rv5GYCRL69MXeixEEgj8HyvftiZikCTcRi3/jP/N/v08Masv8Qo2/:wwPR8YCRLVm

Malware Config

Signatures

  • Blocklisted process makes network request 4 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Loads dropped DLL 1 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\win-airplay\Bonjour64.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3028
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\system32\MsiExec.exe
      C:\Windows\system32\MsiExec.exe -Embedding B1BA99868CAD538124F4A581A4D9153C C
      2⤵
      • Loads dropped DLL
      PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab7D5C.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\MSI8032.tmp

    Filesize

    75KB

    MD5

    08c031fa82a09aae1079378669678fe6

    SHA1

    b109251d2fef08bd446be0c92369e6f11eb67093

    SHA256

    8764d060558a9d4ef24adb43201d5178033171a649ad497f79ce3b6cc8eda98a

    SHA512

    d133a7c02ee8e6e4a971ed4a6537c11cb58516a5ac0501672169805f7b97591d7cffd3a72133bd1df4b8d8a4f4965ddf324a83cd9be0d8af15e646a121e2ea4c

  • C:\Users\Admin\AppData\Local\Temp\Tar7D7E.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b