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Analysis

  • max time kernel
    190s
  • max time network
    213s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    13/02/2023, 23:50

General

  • Target

    filmora_setup_full7598.exe

  • Size

    1.2MB

  • MD5

    0f31bd7bd185bcdb23fd724cfa14e240

  • SHA1

    40a0212e1d8fff17b59bd4866bc4394ce844eb10

  • SHA256

    c442f8cbf49f1fa10b31c765812ed6a65169baecefb751b4ed46175db852de15

  • SHA512

    bf0422a9dfa9d0a3a266976dfe6263fd90024666aff3a54cb10a2df292387ed8b78a82b62b3e955fac40e24a8b8647b94a39c596a2bd7d1d979688749d89b1f4

  • SSDEEP

    24576:KPx2Qnyr4NvGXVT/H2HCmUykZgV88UA3fx6aNjLSHTV2WwqNqGZHLCmN:3Qnyr4NeX5/2HCmUykuie3f9NncLNTZB

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\filmora_setup_full7598.exe
    "C:\Users\Admin\AppData\Local\Temp\filmora_setup_full7598.exe"
    1⤵
    • Loads dropped DLL
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1160
    • C:\Users\Public\Documents\Wondershare\NFWCHK.exe
      C:\Users\Public\Documents\Wondershare\NFWCHK.exe
      2⤵
      • Executes dropped EXE
      PID:1084

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Public\Documents\Wondershare\NFWCHK.exe

    Filesize

    7KB

    MD5

    27cfb3990872caa5930fa69d57aefe7b

    SHA1

    5e1c80d61e8db0cdc0c9b9fa3b2e36d156d45f8f

    SHA256

    43881549228975c7506b050bce4d9b671412d3cdc08c7516c9dbbb7f50c25146

    SHA512

    a1509024872c99c1cf63f42d9f3c5f063afde4e9490c21611551ddd2322d136ce9240256113c525305346cf7b66ccca84c3df67637c8fecbfeebf14ffa373a2a

  • C:\Users\Public\Documents\Wondershare\NFWCHK.exe

    Filesize

    7KB

    MD5

    27cfb3990872caa5930fa69d57aefe7b

    SHA1

    5e1c80d61e8db0cdc0c9b9fa3b2e36d156d45f8f

    SHA256

    43881549228975c7506b050bce4d9b671412d3cdc08c7516c9dbbb7f50c25146

    SHA512

    a1509024872c99c1cf63f42d9f3c5f063afde4e9490c21611551ddd2322d136ce9240256113c525305346cf7b66ccca84c3df67637c8fecbfeebf14ffa373a2a

  • C:\Users\Public\Documents\Wondershare\NFWCHK.exe.config

    Filesize

    229B

    MD5

    ad0967a0ab95aa7d71b3dc92b71b8f7a

    SHA1

    ed63f517e32094c07a2c5b664ed1cab412233ab5

    SHA256

    9c1212bc648a2533b53a2d0afcec518846d97630afb013742a9622f0df7b04fc

    SHA512

    85766a907331f60044ec205cf345453fc3d44bfcac296ac93a12e8a752b84290dfd94f73b71de82f46f9503177d29602cbb87549f89dc61373d889b4ea26634b

  • \Users\Public\Documents\Wondershare\NFWCHK.exe

    Filesize

    7KB

    MD5

    27cfb3990872caa5930fa69d57aefe7b

    SHA1

    5e1c80d61e8db0cdc0c9b9fa3b2e36d156d45f8f

    SHA256

    43881549228975c7506b050bce4d9b671412d3cdc08c7516c9dbbb7f50c25146

    SHA512

    a1509024872c99c1cf63f42d9f3c5f063afde4e9490c21611551ddd2322d136ce9240256113c525305346cf7b66ccca84c3df67637c8fecbfeebf14ffa373a2a

  • memory/1084-60-0x000007FEF3600000-0x000007FEF4023000-memory.dmp

    Filesize

    10.1MB

  • memory/1084-61-0x000007FEEE750000-0x000007FEEF7E6000-memory.dmp

    Filesize

    16.6MB

  • memory/1160-54-0x00000000757E1000-0x00000000757E3000-memory.dmp

    Filesize

    8KB