Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 07:19

General

  • Target

    7936996c05471945b0a6daf94b067025a1e1dc5771d6a9779502a888ee25488b.exe

  • Size

    133KB

  • MD5

    eb516c38a37f9d39933614335ce0d9e7

  • SHA1

    ef0745cb2d6ae175292257065c59c6b29de4e145

  • SHA256

    7936996c05471945b0a6daf94b067025a1e1dc5771d6a9779502a888ee25488b

  • SHA512

    cb6960613437dd86027be50eed23cf99fef66f7619dbfad9999adaaac677f7c46ad98763da0a8d24186afb4297e738a51600cd004a66f8d5f21649b579d74432

  • SSDEEP

    3072:zr8WDrC+c4mZx8Q8Cu1azdzOceGAOHejGk:PudZ9aaz9OcVY

Malware Config

Signatures

  • Neshta

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

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7936996c05471945b0a6daf94b067025a1e1dc5771d6a9779502a888ee25488b.exe
    "C:\Users\Admin\AppData\Local\Temp\7936996c05471945b0a6daf94b067025a1e1dc5771d6a9779502a888ee25488b.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    PID:436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\7936996c05471945b0a6daf94b067025a1e1dc5771d6a9779502a888ee25488b.exe

    Filesize

    93KB

    MD5

    b3dd0092a8e3b0e01ee01e09d237f019

    SHA1

    57b58d687e2f2596764f56949a1db1456fe874da

    SHA256

    8ded7997a9057233c5d0c60b980b56389da39516cd1a116032eb2faa46245f80

    SHA512

    e294ba37219c67023649643565fc2a934509be190ab6bb3b654a4d0738ab6747a1653a2294bd27c3a33858a2fbacddecb2b8b01a17ad1be78c3b018f01dc9f01

  • memory/436-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/436-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/436-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB