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Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2022, 22:33

General

  • Target

    99a14714902ad890ae06b199dffb5abb790c746da254b126ddb2323a132aaf05.exe

  • Size

    26KB

  • MD5

    3a8ee9a41b0259d5301dedf16aa97da2

  • SHA1

    28dd02497be450521e16ae772e99e3399835542d

  • SHA256

    99a14714902ad890ae06b199dffb5abb790c746da254b126ddb2323a132aaf05

  • SHA512

    bf4ec4c0d39e4bfd451c887bc7734441900568f34141ec3e92de644077acf5696411c966a2339ee67799d80248170530e2c62d47b94f985b3a6802691d953a4f

  • SSDEEP

    384:1M3PnQoHDCpHf4I4Qwdc0G5KDJgSxKYDvHv9TmjX2d:1m/QojCpHfx0gSxTlWX2d

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 6 IoCs
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Drops desktop.ini file(s) 24 IoCs
  • Drops autorun.inf file 1 TTPs 27 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 3 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99a14714902ad890ae06b199dffb5abb790c746da254b126ddb2323a132aaf05.exe
    "C:\Users\Admin\AppData\Local\Temp\99a14714902ad890ae06b199dffb5abb790c746da254b126ddb2323a132aaf05.exe"
    1⤵
    • Drops file in Drivers directory
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Windows\SysWOW64\drivers\winlogon.exe
      "C:\Windows\System32\drivers\winlogon.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Checks computer location settings
      • Drops autorun.inf file
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2108
      • C:\Windows\AE 0124 BE.exe
        "C:\Windows\AE 0124 BE.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Loads dropped DLL
        • Drops desktop.ini file(s)
        • Drops autorun.inf file
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3148
        • C:\Windows\SysWOW64\drivers\winlogon.exe
          "C:\Windows\System32\drivers\winlogon.exe"
          4⤵
          • Drops file in Drivers directory
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetWindowsHookEx
          PID:4836
      • C:\Windows\SysWOW64\drivers\winlogon.exe
        "C:\Windows\System32\drivers\winlogon.exe"
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:4240

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\AE 0124 BE.bmp

    Filesize

    46KB

    MD5

    95f3aaef82d221904b2027425d996b62

    SHA1

    a94509c7be084c4f8b6aef50a77a646be1517c73

    SHA256

    c5e8cdac0cf7bd88e49de51f0ae641c424466f187e84065f655b44a6b3c08b35

    SHA512

    b99cbe4631bd36757f682808a2325a8f34093ceb7e57c9e9839068448caf11fb7e20ac74b31c4bb405f50c7bf616e9030d1b2cb8ea7b4ff06db03ca433769da0

  • C:\Windows\AE 0124 BE.exe

    Filesize

    40KB

    MD5

    0da770c334ebd98c1c7d2603a026812f

    SHA1

    b8c031251ae5c07ed5ab49acbb607244f6a6acf2

    SHA256

    3ef9825cb96362826fafd520ff64793da6468f1ff1d72970ee6f96ba23a393d2

    SHA512

    7fedfee445fbdeb8a7563151d1c15580b47fe232ee89ae9b08b562ca054df681b432d1391f931c0048e94071b4509dde53dbc9155296d13a969c1c06e70eceb8

  • C:\Windows\AE 0124 BE.exe

    Filesize

    40KB

    MD5

    0da770c334ebd98c1c7d2603a026812f

    SHA1

    b8c031251ae5c07ed5ab49acbb607244f6a6acf2

    SHA256

    3ef9825cb96362826fafd520ff64793da6468f1ff1d72970ee6f96ba23a393d2

    SHA512

    7fedfee445fbdeb8a7563151d1c15580b47fe232ee89ae9b08b562ca054df681b432d1391f931c0048e94071b4509dde53dbc9155296d13a969c1c06e70eceb8

  • C:\Windows\Msvbvm60.dll

    Filesize

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

  • C:\Windows\Msvbvm60.dll

    Filesize

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

  • C:\Windows\SysWOW64\drivers\MSVBVM60.DLL

    Filesize

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

  • C:\Windows\SysWOW64\drivers\Msvbvm60.dll

    Filesize

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

  • C:\Windows\SysWOW64\drivers\Msvbvm60.dll

    Filesize

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

  • C:\Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    40KB

    MD5

    0da770c334ebd98c1c7d2603a026812f

    SHA1

    b8c031251ae5c07ed5ab49acbb607244f6a6acf2

    SHA256

    3ef9825cb96362826fafd520ff64793da6468f1ff1d72970ee6f96ba23a393d2

    SHA512

    7fedfee445fbdeb8a7563151d1c15580b47fe232ee89ae9b08b562ca054df681b432d1391f931c0048e94071b4509dde53dbc9155296d13a969c1c06e70eceb8

  • C:\Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    40KB

    MD5

    0da770c334ebd98c1c7d2603a026812f

    SHA1

    b8c031251ae5c07ed5ab49acbb607244f6a6acf2

    SHA256

    3ef9825cb96362826fafd520ff64793da6468f1ff1d72970ee6f96ba23a393d2

    SHA512

    7fedfee445fbdeb8a7563151d1c15580b47fe232ee89ae9b08b562ca054df681b432d1391f931c0048e94071b4509dde53dbc9155296d13a969c1c06e70eceb8

  • C:\Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    40KB

    MD5

    0da770c334ebd98c1c7d2603a026812f

    SHA1

    b8c031251ae5c07ed5ab49acbb607244f6a6acf2

    SHA256

    3ef9825cb96362826fafd520ff64793da6468f1ff1d72970ee6f96ba23a393d2

    SHA512

    7fedfee445fbdeb8a7563151d1c15580b47fe232ee89ae9b08b562ca054df681b432d1391f931c0048e94071b4509dde53dbc9155296d13a969c1c06e70eceb8

  • C:\Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    40KB

    MD5

    0da770c334ebd98c1c7d2603a026812f

    SHA1

    b8c031251ae5c07ed5ab49acbb607244f6a6acf2

    SHA256

    3ef9825cb96362826fafd520ff64793da6468f1ff1d72970ee6f96ba23a393d2

    SHA512

    7fedfee445fbdeb8a7563151d1c15580b47fe232ee89ae9b08b562ca054df681b432d1391f931c0048e94071b4509dde53dbc9155296d13a969c1c06e70eceb8

  • \??\c:\B1uv3nth3x1.diz

    Filesize

    25B

    MD5

    589b6886a49054d03b739309a1de9fcc

    SHA1

    0ec1dff7a03f13dea28eea5e754d5b0e5e1dc308

    SHA256

    564815feb9c5bdadb145cd0d16738c4e5fbc6a46cf65c62ac6a985c43d1939e8

    SHA512

    4b6f567398863aba39eec00e9f071364b79d5c29867b93fb968725e10e33a9bfff60f8ab6acceae44e715a35ec7139d12da06c33fa074b6be02ff5357c53c0eb

  • \??\c:\B1uv3nth3x1.diz

    Filesize

    25B

    MD5

    589b6886a49054d03b739309a1de9fcc

    SHA1

    0ec1dff7a03f13dea28eea5e754d5b0e5e1dc308

    SHA256

    564815feb9c5bdadb145cd0d16738c4e5fbc6a46cf65c62ac6a985c43d1939e8

    SHA512

    4b6f567398863aba39eec00e9f071364b79d5c29867b93fb968725e10e33a9bfff60f8ab6acceae44e715a35ec7139d12da06c33fa074b6be02ff5357c53c0eb