Overview

overview

8

Static

static

ecfdb716ee...9a.exe

windows7-x64

8

ecfdb716ee...9a.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    110s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 22:13

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General

  • Target

    ecfdb716ee335d2b8cb80666659401fbde28b29d571fee0c89fb80e6d030189a.exe

  • Size

    20KB

  • MD5

    41770ff94a5d9c00c2cc4ad9a965a8e0

  • SHA1

    8a6a8c6c9c5673563eab9b3c5f0ce2611bbcea60

  • SHA256

    ecfdb716ee335d2b8cb80666659401fbde28b29d571fee0c89fb80e6d030189a

  • SHA512

    0ef635f7f076cc135642b21e01dcfe75c7679c607b091f9191d9b8d85d22b2f6a6e790cc0e4526985fd40c108215148cb5f883a4c107191eaf254b87f630fdf5

  • SSDEEP

    192:1l5E3krTuntKy0peHDfCpHfBv+I4QwXt9V+jqu0G5KDJBpI5:1M3PnQoHDCpHf4I4Qwdc0G5KDJ6

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 16 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 2 IoCs
  • Drops desktop.ini file(s) 26 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 64 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 Internet Explorer settings 1 TTPs 41 IoCs
    adwarespyware
  • Modifies registry class 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ecfdb716ee335d2b8cb80666659401fbde28b29d571fee0c89fb80e6d030189a.exe
    "C:\Users\Admin\AppData\Local\Temp\ecfdb716ee335d2b8cb80666659401fbde28b29d571fee0c89fb80e6d030189a.exe"
    1⤵
    • Drops file in Drivers directory
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3148
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Windows\AE 0124 BE.gif
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:220
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:220 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2408
    • 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:1920
      • C:\Windows\AE 0124 BE.exe
        "C:\Windows\AE 0124 BE.exe"
        3⤵
        • Drops file in Drivers directory
        • 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:1328
        • 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:3528
      • C:\Windows\SysWOW64\drivers\winlogon.exe
        "C:\Windows\System32\drivers\winlogon.exe"
        3⤵
        • Executes dropped EXE
        PID:4228

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\AE 0124 BE.exe
    Filesize

    40KB

    MD5

    ec23eb28f331e6cd70a000a4b2db170a

    SHA1

    45b5c1ee9f93184e51e8515e328e0f99b96e6349

    SHA256

    39a99248599774e207e00c638106fbe03d9c99aed30866c1037fb2d783d03b45

    SHA512

    9e4c80fde6d3eeb742613a6b6db018646cabb26c0fbdbdff347d6e215025b0d31cbb686b592408f0a04b7829e0a1cd4ada79399584e121709fa810e3ccb8eb06

    Download Submit

  • C:\Windows\AE 0124 BE.exe
    Filesize

    40KB

    MD5

    ec23eb28f331e6cd70a000a4b2db170a

    SHA1

    45b5c1ee9f93184e51e8515e328e0f99b96e6349

    SHA256

    39a99248599774e207e00c638106fbe03d9c99aed30866c1037fb2d783d03b45

    SHA512

    9e4c80fde6d3eeb742613a6b6db018646cabb26c0fbdbdff347d6e215025b0d31cbb686b592408f0a04b7829e0a1cd4ada79399584e121709fa810e3ccb8eb06

    Download Submit

  • C:\Windows\AE 0124 BE.gif
    Filesize

    20KB

    MD5

    246cd19fd0bb54468a08ca2ad911dca8

    SHA1

    cf1cbb9d4640f1ac121d12c77a9d5331e028c212

    SHA256

    b16ea41c42c43b2857b4e987bd1ea5aa6cc06b0d0250b85217836669080c76ab

    SHA512

    4073a7ff897c0dbfb3b2628141a2a0269f95a68061f0d7946ba87dfbf12ec0b3d6ea308f75a0a928617287343bac193bfdec9f65a06bfc32b2ef8bd0e85ec580

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  • C:\Windows\AE 0124 BE.gif
    Filesize

    40KB

    MD5

    90a1eba06bc214f501cde43b14712195

    SHA1

    b014732f42563a3f0d6ad8cede9531174f74fc2e

    SHA256

    4962752bb0d5f573eabcf1829228687a37ea7009de14c448bfc5f76dbf98ca41

    SHA512

    ad78c65b0acf3a247d6c76c3a45de5623c23e0a0ea5d693a7646323ca332a13495f3a7da614156386806dc93b647e4ff389ac2921cbd5c5654e8b2e9813694ea

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  • C:\Windows\Msvbvm60.dll
    Filesize

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

    Download Submit

  • C:\Windows\Msvbvm60.dll
    Filesize

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

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

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

    Download Submit

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

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

    Download Submit

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

    40KB

    MD5

    ec23eb28f331e6cd70a000a4b2db170a

    SHA1

    45b5c1ee9f93184e51e8515e328e0f99b96e6349

    SHA256

    39a99248599774e207e00c638106fbe03d9c99aed30866c1037fb2d783d03b45

    SHA512

    9e4c80fde6d3eeb742613a6b6db018646cabb26c0fbdbdff347d6e215025b0d31cbb686b592408f0a04b7829e0a1cd4ada79399584e121709fa810e3ccb8eb06

    Download Submit

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

    40KB

    MD5

    ec23eb28f331e6cd70a000a4b2db170a

    SHA1

    45b5c1ee9f93184e51e8515e328e0f99b96e6349

    SHA256

    39a99248599774e207e00c638106fbe03d9c99aed30866c1037fb2d783d03b45

    SHA512

    9e4c80fde6d3eeb742613a6b6db018646cabb26c0fbdbdff347d6e215025b0d31cbb686b592408f0a04b7829e0a1cd4ada79399584e121709fa810e3ccb8eb06

    Download Submit

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

    40KB

    MD5

    ec23eb28f331e6cd70a000a4b2db170a

    SHA1

    45b5c1ee9f93184e51e8515e328e0f99b96e6349

    SHA256

    39a99248599774e207e00c638106fbe03d9c99aed30866c1037fb2d783d03b45

    SHA512

    9e4c80fde6d3eeb742613a6b6db018646cabb26c0fbdbdff347d6e215025b0d31cbb686b592408f0a04b7829e0a1cd4ada79399584e121709fa810e3ccb8eb06

    Download Submit

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

    40KB

    MD5

    ec23eb28f331e6cd70a000a4b2db170a

    SHA1

    45b5c1ee9f93184e51e8515e328e0f99b96e6349

    SHA256

    39a99248599774e207e00c638106fbe03d9c99aed30866c1037fb2d783d03b45

    SHA512

    9e4c80fde6d3eeb742613a6b6db018646cabb26c0fbdbdff347d6e215025b0d31cbb686b592408f0a04b7829e0a1cd4ada79399584e121709fa810e3ccb8eb06

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  • \??\c:\B1uv3nth3x1.diz
    Filesize

    25B

    MD5

    589b6886a49054d03b739309a1de9fcc

    SHA1

    0ec1dff7a03f13dea28eea5e754d5b0e5e1dc308

    SHA256

    564815feb9c5bdadb145cd0d16738c4e5fbc6a46cf65c62ac6a985c43d1939e8

    SHA512

    4b6f567398863aba39eec00e9f071364b79d5c29867b93fb968725e10e33a9bfff60f8ab6acceae44e715a35ec7139d12da06c33fa074b6be02ff5357c53c0eb

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  • \??\c:\B1uv3nth3x1.diz
    Filesize

    25B

    MD5

    589b6886a49054d03b739309a1de9fcc

    SHA1

    0ec1dff7a03f13dea28eea5e754d5b0e5e1dc308

    SHA256

    564815feb9c5bdadb145cd0d16738c4e5fbc6a46cf65c62ac6a985c43d1939e8

    SHA512

    4b6f567398863aba39eec00e9f071364b79d5c29867b93fb968725e10e33a9bfff60f8ab6acceae44e715a35ec7139d12da06c33fa074b6be02ff5357c53c0eb

    Download Submit