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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/09/2024, 23:37

General

  • Target

    14c233ab4ed862f7eb3f89476b7d2b81f0ea6f91fe1bc48372237655dbc67ab9N.exe

  • Size

    2.0MB

  • MD5

    87bf6dfde79bdaa07f9f9f4233691a20

  • SHA1

    966d9c5ea07f2c6a4e339a0fd40cbf18bfab9d5d

  • SHA256

    14c233ab4ed862f7eb3f89476b7d2b81f0ea6f91fe1bc48372237655dbc67ab9

  • SHA512

    d9430a4b4985e3bd2dae3bcdef0a8fa3731ed82a7061b867a8d3b94c814044edc2020a9d3c7e8e147fc45e8ca5aa4a3fe8c094517a2af2fe48a5354c76c55b23

  • SSDEEP

    12288:XmgvmzFHi0mo5aH0qMzd5807Fl8xPJQPDHvd:XmgvOHi0mGaH0qSdPFWL4V

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • UAC bypass 3 TTPs 12 IoCs
  • Adds policy Run key to start application 2 TTPs 25 IoCs
  • Disables RegEdit via registry modification 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 64 IoCs
  • Checks whether UAC is enabled 1 TTPs 6 IoCs
  • Hijack Execution Flow: Executable Installer File Permissions Weakness 1 TTPs 3 IoCs

    Possible Turn off User Account Control's privilege elevation for standard users.

  • Looks up external IP address via web service 7 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\14c233ab4ed862f7eb3f89476b7d2b81f0ea6f91fe1bc48372237655dbc67ab9N.exe
    "C:\Users\Admin\AppData\Local\Temp\14c233ab4ed862f7eb3f89476b7d2b81f0ea6f91fe1bc48372237655dbc67ab9N.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Adds policy Run key to start application
    • Disables RegEdit via registry modification
    • Checks computer location settings
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Hijack Execution Flow: Executable Installer File Permissions Weakness
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1172
    • C:\Users\Admin\AppData\Local\Temp\dafpt.exe
      "C:\Users\Admin\AppData\Local\Temp\dafpt.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Impair Defenses: Safe Mode Boot
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Hijack Execution Flow: Executable Installer File Permissions Weakness
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:3860
    • C:\Users\Admin\AppData\Local\Temp\dafpt.exe
      "C:\Users\Admin\AppData\Local\Temp\dafpt.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Hijack Execution Flow: Executable Installer File Permissions Weakness
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • System policy modification
      PID:1616
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2188

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\fwvzxwrqvnvursmwsofei.faz

      Filesize

      280B

      MD5

      cfb5ba9b19b776110cd634c21dad7bfe

      SHA1

      b9cf572e155b5c5d6c22bebd068ba71afd8d5bba

      SHA256

      e155c73011bfce293a6ebb6ef2359f3ca58b8461ca0f2e3f6afb0008c14dbaa0

      SHA512

      fefcb9b44facb61d251f41373cfae80cfb50dd818e7ec3a62b93c56aa64cae66aa5823979fec8ed695cacb065e1f60312068d7e461cb8d9f019dbeec9fabd482

    • C:\Program Files (x86)\fwvzxwrqvnvursmwsofei.faz

      Filesize

      280B

      MD5

      8ab4cb29431a16c6cf9e899db53c5457

      SHA1

      f9df20fc879e796b9bcbee9048ab09810ed52a55

      SHA256

      355df5fba60db890188230b84d3ae372204530e15fa6b27dc49a441422a90c0c

      SHA512

      0fb9565de22a7e5d9189f6e405de542c02f48d5b7c4ac5c3443ca5c9d054e61775e84e9a427caec6d71033593df1b66af58555e9e8a0ad912caee1bd7a558485

    • C:\Program Files (x86)\fwvzxwrqvnvursmwsofei.faz

      Filesize

      280B

      MD5

      0487c462ff7904b29147e1c1c4fceb74

      SHA1

      d5056327fe2e4137ba045fff719907e7e67067ee

      SHA256

      8fdc4d48bf7d3910bd1daf67158faf1cd65f954f1da0f90eddd8f44a9d585037

      SHA512

      32b6f64f202160e217e0b353ad28f8cf3a0e70729ba1034aa92c542c18484b3a43ede80013658c06c090634483cc45af3be7e9a97fb8e86e3649964d24b9b41a

    • C:\Program Files (x86)\fwvzxwrqvnvursmwsofei.faz

      Filesize

      280B

      MD5

      a2f99fe200d564161f7e447ebfdffdb7

      SHA1

      f51e9a7c6d0aa368de1f2b039d2184d1eb4b7a94

      SHA256

      f668c1496c6919a5f01d5c79c9423f6e10616cfe4317f98669e5c87a23565a46

      SHA512

      446d268834ea09c9ca02f1c94919062efe6c3e1e72d841cb21f9c56fa36a11cef48b1c567ac1e6f161013f9b53efbb8664ba7c7a831b0aa93234a1640a16afd2

    • C:\Program Files (x86)\fwvzxwrqvnvursmwsofei.faz

      Filesize

      280B

      MD5

      73489adcd47204fac5801ea306232b6e

      SHA1

      2659b41cd74e30598edfb301b13e2be661b63e8b

      SHA256

      f2f1897e97e7faa99848eb01c8c9f6967a8353cdaf480921a3be759788bd0f2d

      SHA512

      d518ff44bb287ec429d8e413657c243e863b012c38aea6ca16f131fc95ead1a23149a1ee6a2572a1ee48fa05721233521ca17914012c9dc628db52b5587e3137

    • C:\Users\Admin\AppData\Local\Temp\dafpt.exe

      Filesize

      2.9MB

      MD5

      2a8af5ef30a3d952c982dccf3512a367

      SHA1

      6607a33935a521b7deaede31d0fa3a9c1065ca77

      SHA256

      d03f343a0bb4f565fd6d1f0c6036e7b71e3b6bf8b515e14a38b105584385ced4

      SHA512

      315990471e9cc6d71512d8fe790ed6941ab10397590c99a7cdd90bf3a8d096ead815ab361f6ced216f2b331d5736e1fdffc724a1c46830febd792aac20418ad0

    • C:\Users\Admin\AppData\Local\acmbkuakadwgoafahoqapyioyorkucot.vce

      Filesize

      4KB

      MD5

      4e0d2035aef027ba81df5795952725cd

      SHA1

      21f5153e11e896c02e14d9e52cffcc3ec5f36dbf

      SHA256

      b16c935d3a06c22788258bc8d3b9c48bd0ad9843a76ae45d064faaf2f63b0e06

      SHA512

      a987cbed7041ce1690fd9319e77a969a06dcab2c7c423fdc535b095441e2c3678b841f2fc2270e3f9167917e40ff707927c3b513299dfbb59b7f2d60adf1645d

    • C:\Users\Admin\AppData\Local\fwvzxwrqvnvursmwsofei.faz

      Filesize

      280B

      MD5

      76b0e1edf5bac6fc240403a8ae8ff3e6

      SHA1

      ce4d5458d8ca6cfc28015641a1f7809760a61864

      SHA256

      7a1f5bbc38d999ef464837b5fd5f4d16406dc4003772dd5cdf114afd4dd9f24a

      SHA512

      2839d6fd30ea25f6b6ee7f1f5255adee20440a81dce81136947cff8182177e55fc5d4d56511894008d528cb3c3fcd64f33429e88b402dcc5f4b268a60bf5e247

    • C:\Users\Admin\AppData\Local\fwvzxwrqvnvursmwsofei.faz

      Filesize

      280B

      MD5

      62dfb0a77d78dc90cebf9905f1c77a65

      SHA1

      d9deeed5c7e8754ecee697126c40fb905d3cd13d

      SHA256

      80452161bda4b0a59fa5f64d0f9553050d1aca333bbc9a3a3bfdf3ea9d74e6ae

      SHA512

      4a0c765b9c521378a126381229ad10b3de2017cd617601b109d394b1286e61c69d604f71ec6b542cdde86dec18bfb9ede59379da5b1aca102a170d2fce8b2125