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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    06/07/2024, 23:32

General

  • Target

    $TEMP/WeatherBugSetup.msi

  • Size

    3.1MB

  • MD5

    8c23be9e13b10ce4e5969abd7d838576

  • SHA1

    adda1875ca69a6b9e21e4257833c508a46fa85c1

  • SHA256

    8d62da599bb3c0262a3b90ad2ea04da1834f7e4eee95e088951a2dabeae75589

  • SHA512

    74430f4495c11e0f1e2d747c72b7a984f531c2f1dbd18e3e772256b687c9a1a86c65dc54bfc5b03359eddd55812ce49239ab46f9aaccfa2b177c36d2ff93d02e

  • SSDEEP

    49152:dc4h6/9tTXuawqIXFI1L5ZVBlYkw2hWvnyQZboyCb/zaeyb7EaGVaGV:Thgaawqca1NPWPyQxrb7BGUG

Malware Config

Signatures

  • Blocklisted process makes network request 1 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 3 IoCs
  • Event Triggered Execution: Installer Packages 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\$TEMP\WeatherBugSetup.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:1620
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E99FA1382091D027DBC4295733712499 C
      2⤵
      • Loads dropped DLL
      PID:1652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MSI1058.tmp

    Filesize

    126KB

    MD5

    48a8123016d261e45ee807c0e238a971

    SHA1

    d7c8bc1e4d6437697f137cff3eca0e31e49a55cf

    SHA256

    871f195e12ebb609e6179756092a5821e78cbf920c5c3c7da9ceb01aca991a78

    SHA512

    a03ed081d740160f92f0f46315e3eff6aa7ac1b6ca65c28be595a802b4d32614cc778d57792b0fbc68ec2ce7382bfcee6c4009226cb2b5428c5819d3b6d5828f

  • C:\Users\Admin\AppData\Local\Temp\MSI1078.tmp

    Filesize

    125KB

    MD5

    17e171f53f5378f637942286c4dc05fc

    SHA1

    56e54c86e9445ae7b33230501f17e710c5f47596

    SHA256

    90d450c12864c8b76e07bd87c6ead25636fef032ffaa056722d2f53f58d64037

    SHA512

    d67b8ebd2e6091cf17a01ec73fc136eb9119e2fb3682b12dfb57d96f633d94be4805df5e10a5736197d64e04a6327d97bac943227155e9f9daa40e6944404fcd