Analysis

  • max time kernel
    60s
  • max time network
    61s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 08:07

General

  • Target

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5.exe

  • Size

    1016KB

  • MD5

    72b5bde90f2196e493674f72560bcfe0

  • SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

  • SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

  • SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • SSDEEP

    6144:yIXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHU:yIXsgtvm1De5YlOx6lzBH46U

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 14 IoCs
  • Disables RegEdit via registry modification 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 64 IoCs
  • Checks whether UAC is enabled 1 TTPs 6 IoCs
  • Looks up external IP address via web service 6 IoCs

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

  • Drops file in System32 directory 25 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 25 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • System policy modification 1 TTPs 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5.exe
    "C:\Users\Admin\AppData\Local\Temp\8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3172
    • C:\Users\Admin\AppData\Local\Temp\hkaqkpraruk.exe
      "C:\Users\Admin\AppData\Local\Temp\hkaqkpraruk.exe" "c:\users\admin\appdata\local\temp\8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5.exe*"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:384
      • C:\Users\Admin\AppData\Local\Temp\irxcko.exe
        "C:\Users\Admin\AppData\Local\Temp\irxcko.exe" "-C:\Users\Admin\AppData\Local\Temp\undskynitjqytonx.exe"
        3⤵
        • 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
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • System policy modification
        PID:1824
      • C:\Users\Admin\AppData\Local\Temp\irxcko.exe
        "C:\Users\Admin\AppData\Local\Temp\irxcko.exe" "-C:\Users\Admin\AppData\Local\Temp\undskynitjqytonx.exe"
        3⤵
        • 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
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System policy modification
        PID:1876

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

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

    Filesize

    320KB

    MD5

    7008640450c4c0383d449a2168a03ab2

    SHA1

    4f9616a261e07177f1d76fa1c4219848e92db679

    SHA256

    3693b39a77090da8c5b6ef737d8e7aa91d550a174d8253ad7cd0a00909131d8f

    SHA512

    55171c2d2fb7b8299e2148e216cc2238b1e3c05a6b45422ca5069a2fdaeabe1fed4214c558fee40c5ac49042e92582e86ae35421d9686010358cdf7f748dc86e

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

    Filesize

    320KB

    MD5

    7008640450c4c0383d449a2168a03ab2

    SHA1

    4f9616a261e07177f1d76fa1c4219848e92db679

    SHA256

    3693b39a77090da8c5b6ef737d8e7aa91d550a174d8253ad7cd0a00909131d8f

    SHA512

    55171c2d2fb7b8299e2148e216cc2238b1e3c05a6b45422ca5069a2fdaeabe1fed4214c558fee40c5ac49042e92582e86ae35421d9686010358cdf7f748dc86e

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

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

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

    Filesize

    712KB

    MD5

    237b27acbaa1421bb2542739dc803661

    SHA1

    da3776adc9e36eb5242cc3cfa7e11ecf94b62b7b

    SHA256

    de9a301e7e9d9f5e4c5e9bfff868b7cff905ad80f4397647725c57d9a102c179

    SHA512

    54ebde4b92ede348f1c120a5c31c5b89fb88552ae4cd75a2daa2c40d7e586150be655426cef7cf199814b853aeedb4568f277e1b4bd315d4b37234e96d971776

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

    Filesize

    712KB

    MD5

    237b27acbaa1421bb2542739dc803661

    SHA1

    da3776adc9e36eb5242cc3cfa7e11ecf94b62b7b

    SHA256

    de9a301e7e9d9f5e4c5e9bfff868b7cff905ad80f4397647725c57d9a102c179

    SHA512

    54ebde4b92ede348f1c120a5c31c5b89fb88552ae4cd75a2daa2c40d7e586150be655426cef7cf199814b853aeedb4568f277e1b4bd315d4b37234e96d971776

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

    Filesize

    712KB

    MD5

    237b27acbaa1421bb2542739dc803661

    SHA1

    da3776adc9e36eb5242cc3cfa7e11ecf94b62b7b

    SHA256

    de9a301e7e9d9f5e4c5e9bfff868b7cff905ad80f4397647725c57d9a102c179

    SHA512

    54ebde4b92ede348f1c120a5c31c5b89fb88552ae4cd75a2daa2c40d7e586150be655426cef7cf199814b853aeedb4568f277e1b4bd315d4b37234e96d971776

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

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

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

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

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

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

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

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

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

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\SysWOW64\bvmcvkawizhqmiitb.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\SysWOW64\ifzsogzynhsedcfteweb.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\SysWOW64\kfxoiypmzrakhefraq.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\SysWOW64\onjecwrsjfsghindqkutpk.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\SysWOW64\undskynitjqytonx.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\SysWOW64\vrkcxogeslvgecerbsz.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\SysWOW64\xvqkhauukfreeeixjclje.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\bvmcvkawizhqmiitb.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\bvmcvkawizhqmiitb.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\ifzsogzynhsedcfteweb.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\ifzsogzynhsedcfteweb.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\kfxoiypmzrakhefraq.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\kfxoiypmzrakhefraq.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\onjecwrsjfsghindqkutpk.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\onjecwrsjfsghindqkutpk.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\undskynitjqytonx.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\undskynitjqytonx.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\vrkcxogeslvgecerbsz.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\vrkcxogeslvgecerbsz.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\xvqkhauukfreeeixjclje.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23

  • C:\Windows\xvqkhauukfreeeixjclje.exe

    Filesize

    1016KB

    MD5

    72b5bde90f2196e493674f72560bcfe0

    SHA1

    a6b1f9554e3ec42e3f08ed2a67cecb2d488f5053

    SHA256

    8592575dc544817d18545a0e71486d7b01497093870450d54528a7ada083c6d5

    SHA512

    e8ccd05744ab202d3e6a7609f224c0273b443a44e1dd915a2066d10a94b453f944a333703376d44339ee1e9e9a7de06731b461903ebed3e63c6e1bba20777d23