Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 03:57

General

  • Target

    Fanyi.msi

  • Size

    26.5MB

  • MD5

    3d6804261513077c81543bfa24503bae

  • SHA1

    a5b387c2402a77bf6ffd6835dbf79129a41a4ec6

  • SHA256

    bdd5b875e9233fce93774ffcfc925daf2924eef9455d088d5dcddf41915d1112

  • SHA512

    899b6e4ebe9ea71a37772149a78ed19b9e09d6b0b9f8287b85a484008d6e6ad0efa99eabf4c245958929a1f0b52672ffec05cb824578738fbb0107f312f531ec

  • SSDEEP

    786432:FyPHKm4X1Ut5pZnm0p0syQvIwOpc1SYrBsff/p9QE:FEqm4X1U5pZm02syQt4iZr4n

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\Fanyi.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2124
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1352
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1352 -s 828
      2⤵
        PID:2692
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2900
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2276

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads