Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    20-09-2022 16:48

General

  • Target

    af9dcde2a62143f8c4b0097a6ae6c69c.exe

  • Size

    200KB

  • MD5

    af9dcde2a62143f8c4b0097a6ae6c69c

  • SHA1

    6928298aa4d32ebd2c7a2dc78352e1505f06e6b5

  • SHA256

    022e2085d1a5728229182c7bb693f57f792401757313d6f9f76e6d45179b6222

  • SHA512

    cbd887e5fa46528c3ec274062595fd9e19a1bb347b689a741ea60d02bd62b4ed5e63e5d36ca9fe9139e1609f58d4d69afd41adb6037f9e922f49b93d2083afc2

  • SSDEEP

    3072:sr85C151LHA7z8xyk475lfDg8+2OUUEFFWALZxGya2MY4hkZ:k9D1LS8cFftLLUE+KxGya2MYmkZ

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 Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af9dcde2a62143f8c4b0097a6ae6c69c.exe
    "C:\Users\Admin\AppData\Local\Temp\af9dcde2a62143f8c4b0097a6ae6c69c.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:1708
    • C:\Users\Admin\AppData\Local\Temp\3582-490\af9dcde2a62143f8c4b0097a6ae6c69c.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\af9dcde2a62143f8c4b0097a6ae6c69c.exe"
      2⤵
      • Executes dropped EXE
      • Modifies Internet Explorer settings
      • Modifies system certificate store
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1624
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x1c8
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:560

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\af9dcde2a62143f8c4b0097a6ae6c69c.exe

    Filesize

    160KB

    MD5

    7d310a0ca199856c54ee245d83cdd8c8

    SHA1

    62b9b09b648b7e549cc491213398c2571bc53086

    SHA256

    00674ecb10147dad9a9db2ea7133772f7ad1be3a8ddf56f55777fc70e46fb428

    SHA512

    dd52acf6d39de7dcfaf64d999fa6cc1d82c26b98d0b6dc8b97285e3f59849bcf7b17e33822afa4723fb7ed29dbe17431d5bc85ab28d0ad15cd1e85c672c55bf5

  • C:\Users\Admin\AppData\Local\Temp\3582-490\af9dcde2a62143f8c4b0097a6ae6c69c.exe

    Filesize

    160KB

    MD5

    7d310a0ca199856c54ee245d83cdd8c8

    SHA1

    62b9b09b648b7e549cc491213398c2571bc53086

    SHA256

    00674ecb10147dad9a9db2ea7133772f7ad1be3a8ddf56f55777fc70e46fb428

    SHA512

    dd52acf6d39de7dcfaf64d999fa6cc1d82c26b98d0b6dc8b97285e3f59849bcf7b17e33822afa4723fb7ed29dbe17431d5bc85ab28d0ad15cd1e85c672c55bf5

  • \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\af9dcde2a62143f8c4b0097a6ae6c69c.exe

    Filesize

    160KB

    MD5

    7d310a0ca199856c54ee245d83cdd8c8

    SHA1

    62b9b09b648b7e549cc491213398c2571bc53086

    SHA256

    00674ecb10147dad9a9db2ea7133772f7ad1be3a8ddf56f55777fc70e46fb428

    SHA512

    dd52acf6d39de7dcfaf64d999fa6cc1d82c26b98d0b6dc8b97285e3f59849bcf7b17e33822afa4723fb7ed29dbe17431d5bc85ab28d0ad15cd1e85c672c55bf5

  • \Users\Admin\AppData\Local\Temp\3582-490\af9dcde2a62143f8c4b0097a6ae6c69c.exe

    Filesize

    160KB

    MD5

    7d310a0ca199856c54ee245d83cdd8c8

    SHA1

    62b9b09b648b7e549cc491213398c2571bc53086

    SHA256

    00674ecb10147dad9a9db2ea7133772f7ad1be3a8ddf56f55777fc70e46fb428

    SHA512

    dd52acf6d39de7dcfaf64d999fa6cc1d82c26b98d0b6dc8b97285e3f59849bcf7b17e33822afa4723fb7ed29dbe17431d5bc85ab28d0ad15cd1e85c672c55bf5

  • memory/1624-57-0x0000000000000000-mapping.dmp

  • memory/1708-54-0x0000000075111000-0x0000000075113000-memory.dmp

    Filesize

    8KB