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Analysis

  • max time kernel
    120s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    10/03/2025, 12:34

General

  • Target

    CryptocommSetup.msi

  • Size

    5.3MB

  • MD5

    b6a96e71ad5c0f9b96b2f1d7021e4e09

  • SHA1

    73eabaad78c61de825ed0c8bec9e3b81f5568dbd

  • SHA256

    834875b1149dde2148145b28f379c37235d4eb9671ddaeb7722b7c0e75c2aca9

  • SHA512

    bff28c1b4b7e3ca6dbfdf44203bb06c0872e5b2e29eceea39f1669afc783527be40460d73d50ea1a9cee9583c8fd538f5b14f3481aa42cca1e0bef9da9c8a800

  • SSDEEP

    98304:/Hrk3bVI2OzboNeQBWkl43yRev9CcTnuKLFKcwD8OfL4vWmCP82wajDOOInENX:jsq5zboN6F9BLuuKcxOfL4vW225jDOO/

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\CryptocommSetup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:560
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2700 -s 812
      2⤵
        PID:2924
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1644
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2888

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads