Analysis

  • max time kernel
    143s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 08:04

General

  • Target

    dd7f3a27df31b56363b655d497564a5ac8ee898b2ce18b3b760ec037c85f4984.exe

  • Size

    376KB

  • MD5

    371e3c7dc6feb3219bc39c6439f81c41

  • SHA1

    cb60952cd67df87eac56ab9e8b0fc7cad90e47e1

  • SHA256

    dd7f3a27df31b56363b655d497564a5ac8ee898b2ce18b3b760ec037c85f4984

  • SHA512

    9c99278baf871ebeb31d7b984eed8220d26c18eb74fe3ebf8ebe34b7d9fe41dca8a4d2ca988c1d4fae1f54dd080ba7fee32d50125687e88e519434f27ab9bf10

  • SSDEEP

    6144:k9w3rweWHE1pwlDg6PNqHztpPm5vmSAhRetgpwuV4dgrJrL2wwI8:lyEQlMCNK5pO5vmSSRDiVQL2wwI8

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd7f3a27df31b56363b655d497564a5ac8ee898b2ce18b3b760ec037c85f4984.exe
    "C:\Users\Admin\AppData\Local\Temp\dd7f3a27df31b56363b655d497564a5ac8ee898b2ce18b3b760ec037c85f4984.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1160
    • C:\Users\Admin\AppData\Local\Temp\3582-490\dd7f3a27df31b56363b655d497564a5ac8ee898b2ce18b3b760ec037c85f4984.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\dd7f3a27df31b56363b655d497564a5ac8ee898b2ce18b3b760ec037c85f4984.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1416

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\dd7f3a27df31b56363b655d497564a5ac8ee898b2ce18b3b760ec037c85f4984.exe
    Filesize

    336KB

    MD5

    2228ee947b809e172ff0d9096d7faae2

    SHA1

    53947329cd6b662cb898c44279154ba84156ccf8

    SHA256

    6fe0b4f01df443d9ef8efb788892c4a9ac4085717647734a82228d0461fa2197

    SHA512

    596867955fa41a07809f646dbdc91ec82980f6c76b17c38e6ae453afae1868abce5b3323642b993859b803c7a83af1015e1ba2e9c03745af30b3a3e55742eeeb

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\dd7f3a27df31b56363b655d497564a5ac8ee898b2ce18b3b760ec037c85f4984.exe
    Filesize

    336KB

    MD5

    2228ee947b809e172ff0d9096d7faae2

    SHA1

    53947329cd6b662cb898c44279154ba84156ccf8

    SHA256

    6fe0b4f01df443d9ef8efb788892c4a9ac4085717647734a82228d0461fa2197

    SHA512

    596867955fa41a07809f646dbdc91ec82980f6c76b17c38e6ae453afae1868abce5b3323642b993859b803c7a83af1015e1ba2e9c03745af30b3a3e55742eeeb

  • \Users\Admin\AppData\Local\Temp\3582-490\dd7f3a27df31b56363b655d497564a5ac8ee898b2ce18b3b760ec037c85f4984.exe
    Filesize

    336KB

    MD5

    2228ee947b809e172ff0d9096d7faae2

    SHA1

    53947329cd6b662cb898c44279154ba84156ccf8

    SHA256

    6fe0b4f01df443d9ef8efb788892c4a9ac4085717647734a82228d0461fa2197

    SHA512

    596867955fa41a07809f646dbdc91ec82980f6c76b17c38e6ae453afae1868abce5b3323642b993859b803c7a83af1015e1ba2e9c03745af30b3a3e55742eeeb

  • memory/1160-54-0x0000000075A91000-0x0000000075A93000-memory.dmp
    Filesize

    8KB

  • memory/1416-57-0x0000000000000000-mapping.dmp