Analysis

  • max time kernel
    121s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    24-10-2021 03:19

General

  • Target

    Calculator%20Installation.exe

  • Size

    88KB

  • MD5

    ef2818932fe97195e172a75e4bcf7883

  • SHA1

    836981179fdfc636ca84242c909f491b85a2298a

  • SHA256

    7a5691baf2e74ac79c48dbeb2661e7612574ad8bc51fc56527b5e4db51453941

  • SHA512

    64b24dbbd1782d4c23eb04b671772b8e9c213faab387b5ecc6f8d351e14f8d93621ca033931e4bbe48dbe10900818a4424b47582c4435ea6b731a26365884c42

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Calculator%20Installation.exe
    "C:\Users\Admin\AppData\Local\Temp\Calculator%20Installation.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    PID:2004

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsdDBFF.tmp\INetC.dll

    MD5

    2b342079303895c50af8040a91f30f71

    SHA1

    b11335e1cb8356d9c337cb89fe81d669a69de17e

    SHA256

    2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

    SHA512

    550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

  • \Users\Admin\AppData\Local\Temp\nsdDBFF.tmp\INetC.dll

    MD5

    2b342079303895c50af8040a91f30f71

    SHA1

    b11335e1cb8356d9c337cb89fe81d669a69de17e

    SHA256

    2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

    SHA512

    550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

  • \Users\Admin\AppData\Local\Temp\nsdDBFF.tmp\INetC.dll

    MD5

    2b342079303895c50af8040a91f30f71

    SHA1

    b11335e1cb8356d9c337cb89fe81d669a69de17e

    SHA256

    2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

    SHA512

    550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

  • \Users\Admin\AppData\Local\Temp\nsdDBFF.tmp\INetC.dll

    MD5

    2b342079303895c50af8040a91f30f71

    SHA1

    b11335e1cb8356d9c337cb89fe81d669a69de17e

    SHA256

    2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

    SHA512

    550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

  • \Users\Admin\AppData\Local\Temp\nsdDBFF.tmp\INetC.dll

    MD5

    2b342079303895c50af8040a91f30f71

    SHA1

    b11335e1cb8356d9c337cb89fe81d669a69de17e

    SHA256

    2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

    SHA512

    550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

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

    MD5

    fbe295e5a1acfbd0a6271898f885fe6a

    SHA1

    d6d205922e61635472efb13c2bb92c9ac6cb96da

    SHA256

    a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1

    SHA512

    2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

  • memory/2004-55-0x0000000076231000-0x0000000076233000-memory.dmp

    Filesize

    8KB