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Overview

overview

8

Static

static

fcaa1ebaaf...91.exe

windows7-x64

8

fcaa1ebaaf...91.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 06:09

Sharing

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General

  • Target

    fcaa1ebaaf2f70fb277b593f94e745cc39ea34db129c9d0265cd08a73b2a2691.exe

  • Size

    20KB

  • MD5

    933ac6a2234ba205f00d21ec54a21910

  • SHA1

    9148eeed74728ce159651816d0e408fe619f6c12

  • SHA256

    fcaa1ebaaf2f70fb277b593f94e745cc39ea34db129c9d0265cd08a73b2a2691

  • SHA512

    913af589c2bab9fcd423d3f636abd99152794a7671eaf7b68dd31f5c65dacaa321bdb3c68a802ecba30e59125368f071500dcf260eec60dd1580e6911db9f579

  • SSDEEP

    192:1l5E3krTuntKy0peHDfCpHfBv+I4QwXt9V+jqu0G5KDJB23z:1M3PnQoHDCpHf4I4Qwdc0G5KDJU

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 Internet Explorer settings 1 TTPs 41 IoCs
    adwarespyware
  • Modifies registry class 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fcaa1ebaaf2f70fb277b593f94e745cc39ea34db129c9d0265cd08a73b2a2691.exe
    "C:\Users\Admin\AppData\Local\Temp\fcaa1ebaaf2f70fb277b593f94e745cc39ea34db129c9d0265cd08a73b2a2691.exe"
    1⤵
    • Drops file in Drivers directory
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3060
    • 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 behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3636
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3636 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1948
    • 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:1612
      • 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:1608
        • 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:2000
      • 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:4256

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\69C6F6EC64E114822DF688DC12CDD86C
    Filesize

    779B

    MD5

    004e1f9f2b4726e5564e16c49fb4a831

    SHA1

    b57e588e3371a7fee13eaa737aefdf4e126dcf51

    SHA256

    bad8f107566ae2c13676df6b3c67da0642b6c850a6705acac03f460a6adb8dab

    SHA512

    5971b426d98c2f4e66708d490f513d66f85b89aa31479ec8e60e6b54b2afe32b77cf8d853d367f5ee173685129d0ba179739be5cf72a11a641d1cee6a28c75c4

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  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\69C6F6EC64E114822DF688DC12CDD86C
    Filesize

    246B

    MD5

    99b4fe2c9a30df563dc2fe3ed00cf459

    SHA1

    2d67b7a9f208e04fbe708207e00b1a2208d9da0e

    SHA256

    bd6202a63f62e66266321a02bf05b065a5a12d2d41b166ef5c52bce7b627af62

    SHA512

    da36b4cd57181d090f8eeddfc8e39c811e14775cdb71e50cff4889a82a058a811702bef8be5fc4f383fad5c42153e664e976fd69f1e1d332b078d8b1f3d41cd4

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

    40KB

    MD5

    e6b55890a38db58bd43dbbe9feea6b76

    SHA1

    b1de84cdb248ffe9aa527c969867239bd1f5a40e

    SHA256

    acaea766c418839f07c46bb10df2f8d97c629e2142dd996e7bdfb1c0646c6d18

    SHA512

    d086e30bdfdc4d897a5d661e095750c95533f9eb96c7a3ddb69cffbc6c6af8b8a9ab528dbe990844e3fd3026b2fee947ade5e4525883e46a02144b1d321de0d7

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

    40KB

    MD5

    e6b55890a38db58bd43dbbe9feea6b76

    SHA1

    b1de84cdb248ffe9aa527c969867239bd1f5a40e

    SHA256

    acaea766c418839f07c46bb10df2f8d97c629e2142dd996e7bdfb1c0646c6d18

    SHA512

    d086e30bdfdc4d897a5d661e095750c95533f9eb96c7a3ddb69cffbc6c6af8b8a9ab528dbe990844e3fd3026b2fee947ade5e4525883e46a02144b1d321de0d7

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

    20KB

    MD5

    22c4647e82ee43a9b0761e1fa17df729

    SHA1

    588e23b8029f561faa725c09ddf2cae7e7b250b4

    SHA256

    afc4e53eacdb5ae70a9ab19d43a8eae4f94da76ebfb8e665f7b4a8e6e2d5ec02

    SHA512

    789e0ba765b38e3e2ea6fa0095c97e90f49ee710d4fd26e7995ef9207ce73bf6353e8b8d10daaeba51998ebde8ebe94b0a313b1cd48571526b767791fb565058

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

    40KB

    MD5

    bb105504964fb508903d163ba92834c7

    SHA1

    09f0bc7d3f16830e6fcf538cac63b292ebcafdd2

    SHA256

    e8a12e7f519707ef382f9ee2bf17437c7fb446246849b16c74bd634ea5b286b6

    SHA512

    7c4a35bab1f8c0bf88be8f9697ee79892bbd842c806b40bf0551874ab83beae2e485bd7a17755df239e9a200073a784d5a03b6adf49b2a1bccc3bc5648a06a33

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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

    Download Submit

  • C:\Windows\SysWOW64\drivers\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

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

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

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

    40KB

    MD5

    e6b55890a38db58bd43dbbe9feea6b76

    SHA1

    b1de84cdb248ffe9aa527c969867239bd1f5a40e

    SHA256

    acaea766c418839f07c46bb10df2f8d97c629e2142dd996e7bdfb1c0646c6d18

    SHA512

    d086e30bdfdc4d897a5d661e095750c95533f9eb96c7a3ddb69cffbc6c6af8b8a9ab528dbe990844e3fd3026b2fee947ade5e4525883e46a02144b1d321de0d7

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

    40KB

    MD5

    e6b55890a38db58bd43dbbe9feea6b76

    SHA1

    b1de84cdb248ffe9aa527c969867239bd1f5a40e

    SHA256

    acaea766c418839f07c46bb10df2f8d97c629e2142dd996e7bdfb1c0646c6d18

    SHA512

    d086e30bdfdc4d897a5d661e095750c95533f9eb96c7a3ddb69cffbc6c6af8b8a9ab528dbe990844e3fd3026b2fee947ade5e4525883e46a02144b1d321de0d7

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

    40KB

    MD5

    e6b55890a38db58bd43dbbe9feea6b76

    SHA1

    b1de84cdb248ffe9aa527c969867239bd1f5a40e

    SHA256

    acaea766c418839f07c46bb10df2f8d97c629e2142dd996e7bdfb1c0646c6d18

    SHA512

    d086e30bdfdc4d897a5d661e095750c95533f9eb96c7a3ddb69cffbc6c6af8b8a9ab528dbe990844e3fd3026b2fee947ade5e4525883e46a02144b1d321de0d7

    Download Submit

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

    40KB

    MD5

    e6b55890a38db58bd43dbbe9feea6b76

    SHA1

    b1de84cdb248ffe9aa527c969867239bd1f5a40e

    SHA256

    acaea766c418839f07c46bb10df2f8d97c629e2142dd996e7bdfb1c0646c6d18

    SHA512

    d086e30bdfdc4d897a5d661e095750c95533f9eb96c7a3ddb69cffbc6c6af8b8a9ab528dbe990844e3fd3026b2fee947ade5e4525883e46a02144b1d321de0d7

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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

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