Analysis

  • max time kernel
    190s
  • max time network
    199s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2022, 02:14

General

  • Target

    b288393a94c86b1188517d2d7acdd7afb95c39004e70aeea726003039695d072.exe

  • Size

    20KB

  • MD5

    05418a25ff7a33ff66c0a8759a816df0

  • SHA1

    3e4ce8819797c20c4ea84f5e9bcbabecade61795

  • SHA256

    b288393a94c86b1188517d2d7acdd7afb95c39004e70aeea726003039695d072

  • SHA512

    7e060197e1011453b07954e7fcf864910fae1ab50872a12223f02f5979275ea099fc65da2ab45c66eb9df1dfd9e95903acdb9ba359f516f48c781cd6ceb3e6de

  • SSDEEP

    192:1l5E3krTuntKy0peHDfCpHfBv+I4QwXt9V+jqu0G5KDJB0:1M3PnQoHDCpHf4I4Qwdc0G5KDJS

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) 3 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\b288393a94c86b1188517d2d7acdd7afb95c39004e70aeea726003039695d072.exe
    "C:\Users\Admin\AppData\Local\Temp\b288393a94c86b1188517d2d7acdd7afb95c39004e70aeea726003039695d072.exe"
    1⤵
    • Drops file in Drivers directory
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3048
    • 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:932
      • 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:2832
        • 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:4796
      • 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:4748

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\AE 0124 BE.bmp

    Filesize

    40KB

    MD5

    dc0c9beb8b6a093118c5b2e7c4f20dd4

    SHA1

    611f1fb8d691d1528c85575a5274e3d371caa035

    SHA256

    d22d6ea6aaf06b06ab15a19d9303448d8577c919f9ac9d9b2b00285dc386fea9

    SHA512

    254613e1c1ef1ff1fc317a6c4e355b938e4547c61972afa5d7fdd1f876b5f099c2b062ccbe9a0b429fd89c923aad23aa3c2003d541074bf4c056039c86c6910a

  • C:\Windows\AE 0124 BE.exe

    Filesize

    40KB

    MD5

    f990bb9c5bbfcfed300f1a4b8c1776d7

    SHA1

    c55cc13efeca1f31320d5bdf07c0513fb0768407

    SHA256

    92d71e037493bd6b3bb75577025f26f1dfa3fe847fc5c444048b3c50d1448df2

    SHA512

    53bd0ffbac91b382908b218a2af96316bf46a500ba942e0d29ae0a2c56c307403b59d31a3e5882af9042f7ff99c33ad3f5de790d15431ccf379d19cacb583985

  • C:\Windows\AE 0124 BE.exe

    Filesize

    40KB

    MD5

    f990bb9c5bbfcfed300f1a4b8c1776d7

    SHA1

    c55cc13efeca1f31320d5bdf07c0513fb0768407

    SHA256

    92d71e037493bd6b3bb75577025f26f1dfa3fe847fc5c444048b3c50d1448df2

    SHA512

    53bd0ffbac91b382908b218a2af96316bf46a500ba942e0d29ae0a2c56c307403b59d31a3e5882af9042f7ff99c33ad3f5de790d15431ccf379d19cacb583985

  • 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

    f990bb9c5bbfcfed300f1a4b8c1776d7

    SHA1

    c55cc13efeca1f31320d5bdf07c0513fb0768407

    SHA256

    92d71e037493bd6b3bb75577025f26f1dfa3fe847fc5c444048b3c50d1448df2

    SHA512

    53bd0ffbac91b382908b218a2af96316bf46a500ba942e0d29ae0a2c56c307403b59d31a3e5882af9042f7ff99c33ad3f5de790d15431ccf379d19cacb583985

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

    Filesize

    40KB

    MD5

    f990bb9c5bbfcfed300f1a4b8c1776d7

    SHA1

    c55cc13efeca1f31320d5bdf07c0513fb0768407

    SHA256

    92d71e037493bd6b3bb75577025f26f1dfa3fe847fc5c444048b3c50d1448df2

    SHA512

    53bd0ffbac91b382908b218a2af96316bf46a500ba942e0d29ae0a2c56c307403b59d31a3e5882af9042f7ff99c33ad3f5de790d15431ccf379d19cacb583985

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

    Filesize

    40KB

    MD5

    f990bb9c5bbfcfed300f1a4b8c1776d7

    SHA1

    c55cc13efeca1f31320d5bdf07c0513fb0768407

    SHA256

    92d71e037493bd6b3bb75577025f26f1dfa3fe847fc5c444048b3c50d1448df2

    SHA512

    53bd0ffbac91b382908b218a2af96316bf46a500ba942e0d29ae0a2c56c307403b59d31a3e5882af9042f7ff99c33ad3f5de790d15431ccf379d19cacb583985

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

    Filesize

    40KB

    MD5

    f990bb9c5bbfcfed300f1a4b8c1776d7

    SHA1

    c55cc13efeca1f31320d5bdf07c0513fb0768407

    SHA256

    92d71e037493bd6b3bb75577025f26f1dfa3fe847fc5c444048b3c50d1448df2

    SHA512

    53bd0ffbac91b382908b218a2af96316bf46a500ba942e0d29ae0a2c56c307403b59d31a3e5882af9042f7ff99c33ad3f5de790d15431ccf379d19cacb583985

  • \??\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