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Analysis

  • max time kernel
    105s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2024, 21:39

General

  • Target

    ff778b1645768428092e34f7738ac3afc6e9273ab3b2ead6631c9f6611c9540e.exe

  • Size

    1.3MB

  • MD5

    c870c10dcdefb464219c10389208abd2

  • SHA1

    273b87c3f7f9435c857ad657e0e73bb431941857

  • SHA256

    ff778b1645768428092e34f7738ac3afc6e9273ab3b2ead6631c9f6611c9540e

  • SHA512

    6469b7028894a1ef6463c706efa6506af36abb5120af9117710e8e6fbd764ca8619d20d2eb33637d595b55dc29428cea2e6112607662099822dbde036a2bed9c

  • SSDEEP

    12288:pLZUzKXkVnCwPt7gsPZ50UMSkp3DeYxlHuHFtScXXUE+V:pLZUzEWvgsRL8jPo+V

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • 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\ff778b1645768428092e34f7738ac3afc6e9273ab3b2ead6631c9f6611c9540e.exe
    "C:\Users\Admin\AppData\Local\Temp\ff778b1645768428092e34f7738ac3afc6e9273ab3b2ead6631c9f6611c9540e.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:2328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\ff778b1645768428092e34f7738ac3afc6e9273ab3b2ead6631c9f6611c9540e.exe

    Filesize

    1.3MB

    MD5

    14015e144a3c18761e2ddf9a23021c38

    SHA1

    84cf5b7da66307d936e6e0ee08dafbfe7a61d083

    SHA256

    a81b53dc39917f7877e0cb87c788e324107822988caa2435512b6cd74a4e805d

    SHA512

    67b656a400d660ad841573551f6fed0b4d3facfccc0e5ae299bc2f02f993ed48bb2470b99673e016718b448a5ef04497b46b7cc186c14924ed853635de7d7628

  • memory/2328-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2328-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2328-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB