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Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    14/02/2024, 07:20

General

  • Target

    9b197649ab3143aee2fd5919790929e9.exe

  • Size

    63KB

  • MD5

    9b197649ab3143aee2fd5919790929e9

  • SHA1

    bc130a152f84c88126cae6e7a8d9a5b9b4e76fb8

  • SHA256

    e8066f9441892d81ddf295c599597be655c9ecd1d13c90c28364c6e0d48785cd

  • SHA512

    f749d3b86c5ae828d02b8c800edc34ffefc4ba89d12349e68067a9a681aac9ccbada3cdb002b63dcecf28369135df8bea16adb4552cd93e8e760a83e56d525b8

  • SSDEEP

    1536:V3cpyORJLuB4P4AJJv4Romu/4awlmhpUljM7:V3c1fP4AJJv45n7jM7

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Loads dropped DLL 9 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 14 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b197649ab3143aee2fd5919790929e9.exe
    "C:\Users\Admin\AppData\Local\Temp\9b197649ab3143aee2fd5919790929e9.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Windows\SysWOW64\attrib.exe
      "C:\Windows\System32\attrib.exe" "C:\Users\Public\Desktop\Internat Explorar" +s
      2⤵
      • Views/modifies file attributes
      PID:3044
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\temp_tmp.bat" "
      2⤵
      • Deletes itself
      PID:364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\temp_tmp.bat

    Filesize

    186B

    MD5

    201abfdc3aee3a5ee3aa56b1244b43fc

    SHA1

    93be220ecd25b5c9f4df2ac717651166e5712542

    SHA256

    b42ba85ac5fc32888197efca4553031fd79c39dcc26d8a8e7192924c176c9045

    SHA512

    46368cab07dbd1062edef235c341244135b67af8952cb7bf63f4671e032cd98e8ce962a1cec032feb6d7c99566d18bc688620a4c0f81662bca2bbe93f841695d

  • C:\Users\Public\Desktop\Internat Explorar\Desktop.ini

    Filesize

    75B

    MD5

    254a842845d5fe636a018ed64927573f

    SHA1

    405c601e91dbd53febdca03e5ccc1fd1b03107be

    SHA256

    bc4eaf790a990a2dbb8460775c257f603d2303a7ab282dd5f405264af202282c

    SHA512

    e817292fe07e880cd21e1cba72d4fec097fab51f21012a891bad6be6d43da8573a2ecc881a9c9c6a01dc421b55eb4734a79803899e51234ff4bd4c2a4a8a8acf

  • C:\Users\Public\Desktop\Internat Explorar\target.lnk

    Filesize

    1KB

    MD5

    de47000f2034dc530d07da111827af57

    SHA1

    86b34f70b275ea8ee8adb869d2420e09b044718a

    SHA256

    55375084a2fb9154a368cce0b9372ed6dd0342f11c2bdf5251ded25993714dae

    SHA512

    beb91fbcdf3d6497d59844a6da91055b7791016bcf9d97083b6cdffc1d2ee6439322dc19e098bdf0aa27e3b600305d6064ef645a24691dcae98da519debc892f

  • C:\Users\Public\Desktop\ÌÔ ±¦ Íø ¹º.lnk

    Filesize

    1KB

    MD5

    5ffaf2527bc8e175c988c8dc53dbc484

    SHA1

    7c069a0e54469453fdc91d57bfb0e82e2e539777

    SHA256

    2f58298a3e901293b80ad5ebc164e53e76e079c3e86252f1b34f702c55ada96e

    SHA512

    f90556ed1bd94a994d3a6573757f1214cfacb03ee5d6e1b8d277fb00f95371045e279b3a05189de7baf832605845d11a99196ac85de6c0ce050c611a9ab3b8ba

  • \Users\Admin\AppData\Local\Temp\nsi4BF0.tmp\AccessControl.dll

    Filesize

    10KB

    MD5

    055f4f9260e07fc83f71877cbb7f4fad

    SHA1

    a245131af1a182de99bd74af9ff1fab17977a72f

    SHA256

    4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

    SHA512

    a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

  • \Users\Admin\AppData\Local\Temp\nsi4BF0.tmp\System.dll

    Filesize

    11KB

    MD5

    00a0194c20ee912257df53bfe258ee4a

    SHA1

    d7b4e319bc5119024690dc8230b9cc919b1b86b2

    SHA256

    dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

    SHA512

    3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667