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Analysis

  • max time kernel
    190s
  • max time network
    229s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/12/2022, 13:39

General

  • Target

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070.exe

  • Size

    524KB

  • MD5

    f2bee96df56e120e5496568a17919a38

  • SHA1

    48177f9e7e03b5c719032eca70164009629906d6

  • SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

  • SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • SSDEEP

    6144:GEIXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUSCnDU:GEIXsgtvm1De5YlOx6lzBH46Ut4

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 21 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 1 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\efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070.exe
    "C:\Users\Admin\AppData\Local\Temp\efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Users\Admin\AppData\Local\Temp\xzsqxqazhjc.exe
      "C:\Users\Admin\AppData\Local\Temp\xzsqxqazhjc.exe" "c:\users\admin\appdata\local\temp\efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070.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:1936
      • C:\Users\Admin\AppData\Local\Temp\wfpuagm.exe
        "C:\Users\Admin\AppData\Local\Temp\wfpuagm.exe" "-C:\Users\Admin\AppData\Local\Temp\vngujyngyhgnloay.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:1904
      • C:\Users\Admin\AppData\Local\Temp\wfpuagm.exe
        "C:\Users\Admin\AppData\Local\Temp\wfpuagm.exe" "-C:\Users\Admin\AppData\Local\Temp\vngujyngyhgnloay.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 use of AdjustPrivilegeToken
        • System policy modification
        PID:2240

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

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

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

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

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

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

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

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

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

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

    Filesize

    712KB

    MD5

    5342c34f5c1d498489f065dd2033b618

    SHA1

    15d82d7ca9b522be78c183c18af951920da462ff

    SHA256

    507a9f343ced9dcb323bdaeba5a4f4899f5ebd7c4ec48cb0884e473826d40c7d

    SHA512

    540139472192242d4642f452af8f7f6a141d0171488e3c528fa21583d495542b87a26b26facfdc2a5e24e023184644d779214cf2b27e69a3236e30f02bb2fb0a

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

    Filesize

    712KB

    MD5

    5342c34f5c1d498489f065dd2033b618

    SHA1

    15d82d7ca9b522be78c183c18af951920da462ff

    SHA256

    507a9f343ced9dcb323bdaeba5a4f4899f5ebd7c4ec48cb0884e473826d40c7d

    SHA512

    540139472192242d4642f452af8f7f6a141d0171488e3c528fa21583d495542b87a26b26facfdc2a5e24e023184644d779214cf2b27e69a3236e30f02bb2fb0a

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

    Filesize

    712KB

    MD5

    5342c34f5c1d498489f065dd2033b618

    SHA1

    15d82d7ca9b522be78c183c18af951920da462ff

    SHA256

    507a9f343ced9dcb323bdaeba5a4f4899f5ebd7c4ec48cb0884e473826d40c7d

    SHA512

    540139472192242d4642f452af8f7f6a141d0171488e3c528fa21583d495542b87a26b26facfdc2a5e24e023184644d779214cf2b27e69a3236e30f02bb2fb0a

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

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

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

    Filesize

    320KB

    MD5

    7ff2bbb090c7de34a738f85de091e92b

    SHA1

    aa17661f4a1a5711f273ff363649afdc494af2db

    SHA256

    d948ab3b584e64e70b2610e6ee6baf6516e645eaa1b1ac8a6204b128ea44c30f

    SHA512

    aea42492253c684c98209c5d8f2232a3dbc87766301b4ab2422f8fedef412257d620b3b31bff4e5368e2c1902a32d91ee76b443247f1ec04da19ee50f7e0f476

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

    Filesize

    320KB

    MD5

    7ff2bbb090c7de34a738f85de091e92b

    SHA1

    aa17661f4a1a5711f273ff363649afdc494af2db

    SHA256

    d948ab3b584e64e70b2610e6ee6baf6516e645eaa1b1ac8a6204b128ea44c30f

    SHA512

    aea42492253c684c98209c5d8f2232a3dbc87766301b4ab2422f8fedef412257d620b3b31bff4e5368e2c1902a32d91ee76b443247f1ec04da19ee50f7e0f476

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

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\SysWOW64\cvpeukaunxxfeivuk.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\SysWOW64\jfcungzwsfitvcsunvfb.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\SysWOW64\lfaqhypkepqzzessjp.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\SysWOW64\pnmgbwrqodivziaezjvtsm.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\SysWOW64\vngujyngyhgnloay.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\SysWOW64\wrnewogcxjlvwcrskra.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\SysWOW64\yvtmgauspdhtwevysbmjh.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\cvpeukaunxxfeivuk.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\cvpeukaunxxfeivuk.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\jfcungzwsfitvcsunvfb.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\jfcungzwsfitvcsunvfb.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\lfaqhypkepqzzessjp.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\lfaqhypkepqzzessjp.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\pnmgbwrqodivziaezjvtsm.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\pnmgbwrqodivziaezjvtsm.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\vngujyngyhgnloay.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\vngujyngyhgnloay.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\wrnewogcxjlvwcrskra.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\wrnewogcxjlvwcrskra.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\yvtmgauspdhtwevysbmjh.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f

  • C:\Windows\yvtmgauspdhtwevysbmjh.exe

    Filesize

    524KB

    MD5

    f2bee96df56e120e5496568a17919a38

    SHA1

    48177f9e7e03b5c719032eca70164009629906d6

    SHA256

    efd98ea53de0f992a33f871cbfc9c8281f0564815c637e6d862ac1eabddde070

    SHA512

    23cd21cf04aaec30f871eb82c3b8d31514929133bccd905522b40ceec340c68d0de276cbcae91c8cd7cf6f99210c2bd00a29f3056e8933f3fece540c8fe4cd0f